Body Fluids And Circulation Questions

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Body Fluids And Circulation Questions

List of body fluids and circulation Questions

Question NoQuestionsClass
1Give the functions of Iymph?
Differentiate between blood and lymph.
11
2Write the differences between:
Open and closed systems of circulation
11
3Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
A. AV node receives signal from SA node
B. AV valves open up
c. Ventricular walls vibrate due to gushing in of blood from atria
D. semilunar valves close down after the blood flows into vessels from ventricles.
11
4Select the correct schematic
representation of blood circulation in
human from the followings
( A )
( B )
( c )
( D )
11
5Choose the correct option about a – d.
A. a – eosinophil, b – – lymphocyte, c- neutrophil, d monocyte
B. a – erythrocyte, b – basophil, c- neutrophil, d ymphocyte
c. a – eosinophil, b – monocyte, c- neutrophil, dymphocyte
D. a – eosinophil, b – erythrocyte, c- neutrophil, dbasophi
11
6Give reasons for this sentence:
A mature erythrocyte lacks nucleus and mitochondria
11
7In mature mammalian erythrocytes, the respiration is
A. Aerobic
B. Anaerobic
c. Sometimes aerobic and sometimes anaerobic
D. Absent
11
8Number of chambers in the heart of
cockroach is
A. 5
B. 9
( c cdot 13 )
D. 16
11
9What is the function of valves present in
the heart?
11
10P’ wave of ECG occurs before the
A. Onset of ventricular contraction.
B. End of arterial contraction.
C. Beginning of atrial contraction.
D. None of the above
11
11Which one is smallest?
A. Eosinophil
B. Basophil
C . Neutrophil
D. Monocyte
11
12In a standard ECG, which one of the following alphabets is the correct representation of the respective of the human heart?
A. R – repolarisation of ventricles
B. S – start of systole
c. ( T ) -end of diastole
D. P – depolarization of the atria
11
13EEG can help in diagnosing certain conditions like
A. Epilepsy
B. Encephalitis
c. Dementia
D. All of the above
11
14( gamma ) – globulins are synthesized inside
A . Liver
B. Bone marrow
c. Lymph and lymphoid tissue
D. Kidney
11
15Which of following forms net-like structure during bleeding?
A. Platelets
в. RВС
c. wвс
D. None of the above
11
1639. Which of the following enzymes
aids in coagulation of blood?
(1) Tryptase
(2) Pepsin
(3) Rennin
(4) Amylase
11
17What will be the number of heart beats
per minute if the stroke volume of heart increases with the total volume of blood
remains same?
A. Remains constant
B. Decreases
c. Increases
D. Becomes erratic
11
18Which of the following does not play a role in blood coagulation?
( mathbf{A} cdot ) Vitamin ( mathbf{K} )
B. Vitamin D
c. calcium ions
D. Fibrinogen
11
19Which labelled parts of the heart pump
deoxygenated blood to lungs?
A .1,2 and 6
B. 1,2 and 7
( c cdot 2,4 ) and 6
D. 3,4 and 5
E. 3, 4 and 8
11
20List two function of lymphatic system?11
21The 120 days is the life span of
A. Red blood cells
B. White blood cells
C. Platelets
D. Red blood cells and Platelets
11
22Which of the following statements is
not true?
A. A heart murmur usually indicates a fatal heart defect
B. Angina pectoris may occur when doing strenuous activity after eating a heavy meal
C. An incompetent valve can permit a backflow of blood
D. A coronary artery spasm can cause an obstruction of blood flow
11
23Mark, among the following the a cell which does not exhibit pahgocytotic activity
A. Monocytes
B. Neutrophil
c. Basophil
D. Macrophage
11
24Which of the following is not a function of Iymph?
A. Supplies oxygen and prevents spreading of infections
B. Returns proteins to the bloodd
c. Absorbs vitamins and minerals
D. None of the above
11
25Which of the following is the correct statement about the circulatory system
of cockroach?
A. It is closed type of circulatory system.
B. It is a complicated type of circulatory system.
c. It takes place without the participation of tissue
D. It has 13 chambered heart and in each segment one pair of ostia are present.
11
26The tricuspid valve is present at the origin of
A. Carotid arch
B. Pulmonary arch
c. Truncus arteriosus
D. systemic arch
11
27Lymph is more similar to
A. Blood
B. Interstitial fluid
c. Both A and B
D. None of the above
11
28A man with blood group AB’ marries a woman with ( 0^{prime} ) blood group. In this
situation
A. The blood groups of their children will be the same as that of the mother
B. The blood group of the children differs from both the
parents
C. While ( 50 % ) of children will have father’s blood group, the remaining will have mother’s blood group
D. None of the above
11
29If heart of a mammal is injected with
( 2 % mathrm{CaCl}_{2} ) solution, then
A. Heart beat will increase
B. Heart beat will decrease.
c. Heart beat will stop
D. No effect
11
30What will happen if platelets were absent in the blood?
A. The process of clotting will be affected.
B. Kwashiorkor will be the result
c. RBC will be ruptured.
D. The blood will become more liquid
11
31Maximum number of chambers-13 are
found in heart of
A. cockroach
B. Frog
c. Human
D. Fish
11
32The life span of red blood cells is about
A. 100 days
B. 80 years
c. 120 days
D. 10 days
11
33The ion that always keeps the cardiac muscle unit in contracting state is
A. Sodium
B. Potassium
c. Calcium
D. Magnesium
11
34Which of the following statements is
false?
A. Blood from the right side of the heart is carried to the lungs by the pulmonary artery
B. The term pleura refers to the double layered covering of the kidney.
c. Pancreas is both an exocrine and endocrine gland
D. Scurvy is caused by the deficiency of vitamin C
11
35Mark the odd one in each of the
following series:
Human heart, fish heart, reptile heart, toad heart.
11
36An anticoagulant is
A. Heparin
B. Hirudin
c. ЕDTA
D. All of the above
11
37Which of the following statement is true for Iymph?
A. WBC and serum
B. All components of blood expect RBCs and some proteins
c. RBCs WBCs and plasma
D. RBCs proteins and platelets
11
38Ruptured blood cells are not trapped in
A . Liver
B. Spleen
c. Bone marrow
D. Both A and C
11
39Diameter of capillaries for RBC to pass
should be
( A cdot 4 mu )
B. Less than ( 5 mu )
c. More than ( 5 mu )
D. More than ( 10 mu )
11
40Heart beat originates from
A. Pacemaker
B. Cardiac muscles
c. Left atrium
D. Right ventricle
11
41The chambers in heart of fish are
A. 1 ventricle and 1 auricle
B. 1 ventricle and 2 auricles
c. 2 ventricles and 2 auricles
D. 2 ventricles and 1 auricle
11
42In a standard ECG
A. The end of T-wave marks the begining of systole
B. The end of T-wave marks the end of systole
C. The end of P-wave marks the end of systole
D. The end of ( Q ) -wave marks the end of systole
11
43This problem is caused only when a
mother has a child with the
phenotype.
A. Unsensitized ( R h^{+}, R h^{-} )
B. Sensitized ( R h^{-}, R h^{-} )
C. Unsensitized ( R h^{-}, R h^{+} )
D. Unsensitized ( R h^{-}, R h^{-} )
E . Sensitized ( R h^{-}, R h^{+} )
11
44Heart of fishes is
A. Two chambered
B. Venous heart
c. Both of the above
D. None of the above
11
45One of the factors required for the maturation of erythrocytes is
( A ). Vitamin D
B. Vitamin A
c. vitamin B ( _{12} )
D. vitamin C
11
46Which of the following shows correct sequence of conduction of action
potential in the heart?
A. SA node ( rightarrow ) Bundle of His ( rightarrow ) AV node ( rightarrow ) Right and left branches of bundle of His ( rightarrow ) Purkinje fibre
B. SA node ( rightarrow ) AV node ( rightarrow ) Purkinje fibre Bundle of His ( rightarrow ) Right and left branches of bundle of His
C. SA node ( rightarrow ) AV node ( rightarrow ) Bundle of His ( rightarrow ) Right and left branches of bundle of His ( rightarrow ) Purkinje fibre
D. AV node ( rightarrow ) SA node ( rightarrow ) Bundle of His ( rightarrow ) Right and left branches of bundle of His ( rightarrow ) Purkinje fibre
11
47The main difference in the blood and
Iymph is
A. Absence of RBC
B. Absence of WBC
c. Number of WBC is less in blood
D. None of the above
11
48Which of the following describes
homeostasis?
A. An animal maintaining a home range.
B. A population maintaining a constant population size.
C. Females remaining in their parents territory.
D. Plants ceasing to grow at a maximum height.
E. Maintaining a steady state internal environment.
11
49Which part shows the presence of
Iymph node?
( A )
B. G
( c . )
D All of the above
11
50People living at sea level have around 5
million RBC per cubic millimetre of their blood whereas those living at an altitude of 5400 metres have around 8
million. This is because at high altitude
A. people eat more nutritive food, therefore more RBCs are formed
B. people get pollution-free air to breathe and more oxygen is available
C. atmospheric ( O_{2} ) level is less and hence more RBCs are needed to absorb the required amount of ( O_{2} ) to survive
D. there is more UV radiation which enhances RBC production
11
51When the right ventricle contracts the blood is pumped into
A. Superior vena cava
B. Dorsal aorta
c. Pulmonary artery
D. Pulmonary veins
11
52Which of the following statement(s) is (are) true about heart?
A. Left atrium receives oxygenated blood from different parts of body while right atrium receives deoxygenated blood from lungs.
B. Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
C. Left atrium transfers oxygenated blood to right ventricle which sends it to different body parts.
D. Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.
( E . ) Both ( B ) and ( D )
11
53Fall in blood pressure, due to loss of
blood is soon restored because
A. Blood vessels dilate
B. Blood cells decrease in number
c. Heart beat is increased
D. Heart beat is decreased
11
54Pericardial fluid present between?
A. Fibrous pericardium & Parietal layer
B. Parietal layer and visceral layer
C. Visceral layer & epicardium
D. Myocardium & Endocardium
11
55What is lymph? Explain its constitution11
56Ringer’s solution contains
A. lodine and salt
B. Acetic acid and wax
c. sodium and potassium ions
D. water and acid fuchsin
11
57Select correct combination of
statements for Lymph.
(i) It helps to maintain fluid balance of the body.
(ii) It is contained in Iymphatic vessels and lymphatic organs in mammals.
(iii) It is derived from tissue fluid.
(iv) It contains less antibodies than
plasma.
(v) It flows in both directions.
(vi) It helps to conserve proteins and remove bacteria.
A. i, ii, iii, v
B. ii, iii, iv, vi
c. i, iv, v, vi
D. iii, iv, v, vi
11
58The chief function of lymph nodes in mammalian body is to
A. Produce RBCs
B. Collect and destroy pathogens
c. Produce a hormone
D. Destroy the old and worn out red blood cells
11
59Lymph helps is the absorption of
A. carbohydrate
B. Proteins
c. Fats
D. All of the above
11
60QRS is related to
A. Ventricular contraction
B. Auricular contraction
C. Cardiac cycle
D. Auricular relaxation
11
61Assertion
Atria act as primer pumps that
increase the ventricular pumping.
Reason

About 80 percent of the blood flows directly through the atria into
ventricles.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is
not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect

11
62The atrio-ventricular node is situated
A. Near the bicuspid valve
B. In between the atrium
c. At the base of inter-auricular septumm
D. In the interventricular septum
11
63chambered heart helps
separation of the right side and left side of the heart useful in mammals and
birds?
11
64The blood circulation in human heart
is called as
A. Triple circulation
B. Double circulation
c. Quadruple circulation
D. single circulation
11
65The given figure shows diagrammatic
representation of exchange of gases at
the alveolus and the body tissues with
blood and transport of oxygen and
carbon dioxide. Identify the blood
vessels ( A ) to ( D )
A. Systemic vein Pulmonary artery Pulmonary vein Systemic artery
B. Systemic artery Pulmonary artery Pulmonary vein Systemic vein
C. Pulmonary artery Systemic vein Pulmonary vein Systemic artery
D. Systemic vein Pulmonary vein Pulmonary artery Systemic artery
11
66Mineral which helps in formation of
RBCs is
A. Fe (iron)
B. Mn (manganese)
c. ( mathrm{Mg} ) (magnesium)
D. K (potassium)
11
67Blood clot takes place mainly due to
A. Fibrin and corpuscles
B. Heparin and corpuscles
C. Plasma and corpuscles
D. Plasma and RBC
11
68In order for the blood to flow from right ventricle to left ventricle in mammalian
heart, it must flow through
A. Right ventricle, pulmonary arteries, lungs, pulmonary veins and left atrium
B. Right ventricle, pulmonary arteries, lungs, pulmonary arteries and left atrium
c. Right ventricle, right atrium, , lungs, pulmonary veins and left atrium
D. Right ventricle, systemic aorta, Iungs, pulmonary veins and left atrium
11
69Mineral essential for the coagulation of blood is
A. Potassium
B. Magnesium
c. Calcium
D. Sodium
11
70If following data belongs to an adult male
Cardiac index ( = )
cardiac output
Total body sur face
Total body surface area in adult ( =1.7 m^{2} ) Cardiac index
4litre / mt./ ( m^{2} )
Heart rate
( 68 / ) minute
End systolic volume
Total body surface area ( -1.7 m^{2} )
Then choose the correct set of option.
A. cardiac output = 5 litre/minute. ; stroke volume = 70 ( mathrm{ml} . ; mathrm{EDV}=120 mathrm{ml} )
B. c.0. = 5 litre/minute. ; SV = 100 m!.; EDV = 50 m!
11
71Select the incorrectly matched pair.
A. Leukopenia – Fall in WBCs count
B. Polycythemia – Abnormal rise in RBCs count
C. Thrombocytosis – Decrease in number of platelets
D. Erythrocytopenia – Decrease in number of RBCs
11
722.64 What are the functions performed by histamine in the body?
Ans Hintomi
11
73The heart of which animal is myogenic in nature?
A. cockroach
B. Leech
c. Elephant
D. All of the above
11
74Erythrocyte maturing factor is
A. Folic acid
B. Cyanocobalamine
c. Vitamin ( B_{2} )
D. Vitamin C
11
75Interstitial fluid is called as tissue fluid
A. True
B. False
11
76In bradycardia, the heart beat
A . Decreases
B. Increases
c. Becomes irregular
D. Remains same
11
77Alary muscles in cockroach are associated or connected with
A. Trachea
B. Heart
c. Legs
D. Alimentary canal
11
78Right ventricular wall is thinner than the left ventricular wall. Why?11
79The number of chambers in the heart of
a frog is
A. one
B. Two
c. Three
D. Four
11
80Heart wall is made of
A. Myocardium
B. Epicardium
c. Endocardium
D. All of the above
11
81Assertion
ADH and RAAS work in response to low
blood volume and blood pressure.
Reason
ANF works in response to high blood
volume and blood pressure.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
82Given is a diagram of a human blood smear. Study the diagram and answer the question that follows. Component numbered 1 do not have
certain organelles but are very efficient in their function. Explain.
11
83Choose the correct sequence of tissues
containing ( C O_{2} ) from highest
concentration level to the lowest.
A. Pulmonary veins-left atrium- tissues-right ventricle
– pulmonary arteries
B. Left atrium- tissues – right ventricle-pulmonary veins-pulmonary arteries
C. Pulmonary arteries- right ventricle- tissues-left atrium- pulmonary veins
D. Right ventricle- pulmonary arteries- pulmonary veins-left atrium- tissues
E. Tissues-pulmonary veins-pulmonary arteries-left atrium-right ventricle
11
84Coronary heart disease is due to
A. Bacterial infection
B. Inflammation of pericardium
c. weakening of the heart valves
D. Insufficient blood supply to the heart muscles
11
85If due to some injury, the chordae tendinae of the tricuspid valve of the human heart partially becomes nonfunctional, what will be the immediate
effect?
A. The flow of blood into the pulmonary artery will be reduced
B. The flow of blood into the aorta will be slowed down
c. The pacemaker will stop working.
D. The blood will tend to flow back into the left atrium.
11
86Assertion
Blood coagulates in the injured blood
vessels.
Reason
Uninjured blood vessels release an
anticoagulant heparin.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
87Erythroblastosis foetalis is related with
A. Blood group
B. Rh factor
c. Infectious disease
D. All of these
11
88For the given experiment, the independent variable is
A. Amount of light
B. Number of water fleas
C. pH of the water
D. Temperature of the water
E. Average heart rate
11
89Assertion
Pulmonary circulation consists of flow of deoxygenated blood from right ventricle to the lungs and flow of oxygenated blood from lungs to the left atrium.
Reason
Systemic circulation consists of flow of
oxygenated blood from the left ventricle to all parts of the body and deoxygenated blood from different parts to right atrium.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
90Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
(iii) Left atrium transfers oxygenated
blood to right ventricle which sends it to
different parts of the body.
(iv) Right atrium receives deoxygenated blood from different parts of the body
while left ventricle pumps oxygenated blood to different parts of the body.
A . (i)
B. (ii)
c. (ii) and (iv)
D. (i) and (iii)
11
91Which chamber is the first to receive
oxygenated blood from the lungs in the figure given below?
( A cdot w )
B.
( c )
( D )
11
92Which fat soluble vitamin in necessary for blood clotting?
( A cdot A )
B.
( c cdot E )
D.
11
93During acute myocardial infarction which of the following changes occurs in the ECG.
A. Flattened T wave
B. Depressed ST segment
c. Elevated ST segment
D. Increased length of PQ interval
11
94In mammals, the bicuspid (mitral valve), guards the opening between
A. Left atrium and left ventricle
B. Pulmonary vein and left auricle
c. Stomach and intestine
D. Right atrium and right ventricle
11
95In humans, the ( _{–}-_{-}-_{-} ) fluid present in pericardium protects the heart from injuries.
A. Pleural
B. Mucosal
c. Pericardial
D. None of the above
11
96One of the difference between blood and
lymph is that
A. Blood has RBCs and WBCs while lymph has Iymphocytes.
B. Blood has RBCs while lymph has no wBCs
c. Blood has WBCs while lymph has RBCs.
D. Blood has dissolved organic salts while lymph has no such inorganic salt.
11
97Blood platelets are present in the blood
of
A. Fishes
B. Amphibians
c. Reptiles
D. Mammals
11
98In rabbit, oxygenated blood flows from
A. Left auricle to left ventricle during auricular systole
B. Right auricle to right ventricle during ventricular systole
C. Right ventricle to aorta during ventricular systole
D. Pulmonary vein to left auricle during auricular systole
11
99What is the function of pericardial fluid and where is it found?11
100Match the columns and choose the
correct option.
II 70-75 action
potential per
minute
Ventricular
repolarisation and begin{tabular}{c|c|c|c}
& 1 & \
(i) & Stroke volume & (a) & II 70-75 potent minute \
(ii) & Cardiac output & (b) & Ventric repolar \
(iii) & SAN & (c) & 70 ml of cardiac \
(iv) & P-wave & (d) & 5000 ml per cardi \
(v) & T-wave & (e) & Atrial depolaris \
& &
end{tabular} er 70 ml of blood per
cardiac cycle and ( – )
O ml of blood
cardiac cycle oyor an
1 depolarisation
( A cdot ) i-d, ii-c, iii-a, iv-b, v-e
B. i-a, ii-e, iii-c, iv-d, v-b
C. i-c, ii-d, iii-a, iv-e, v-b
D. i-c, ii-a, iii-d, iv-e, v-b
E. ( i-d, ) ii-a, ii ( -b, ) iv-e, v-
11
101Average cardiac output is
A. 4 litres per minute
B. 6.3 litres per minute
C. 5.0 litres per minute
D. 7.3 litres per minute
11
102Deoxygenated blood from wall of heart is carried by
A. Coronary sinus
B. Inferior vena cava
c. Superior vena cava
D. Pulmonary artery
11
103Lymph does not contain
A. Leucocytes
B. Plasma
c. Erythrocytes
D. None of the above
11
104Very short answer type. Mention the most significant role of neutrophils.11
105Bundle of His is a network of
A. Nerve fibres found throughout the heart
B. Muscle fibres distributed throughout the heart walls
C. Muscle fibres found only in the ventricle wall
D. Nerve fibres distributed in ventricles
11
106Fill in the blanks with approriate words. Specialized muscular tissue forming a network which conducts impulses from pacemaker down throughout the
auricles and ventricles of vertebrate
heart is known as…………fibres.
11
107Write an essay on clotting of blood.11
108Shape of the nucleus of WBC is usually
A. Spherical
B. Irregular
c. oval
D. spindle shaped
11
109What is the normal hemoglobin content of an adult man?
A. ( 85 g / L ) of blood
B. ( 105 g / L ) of blood
c. ( 145 g / L ) of blood
D. ( 185 g / L ) of blood
11
110Choose the correct answer from the
alternatives given The valve between the left atrium and
left ventricle is:
A. bicuspid (mitral) valve
B. aortic semilunar valve
c. tricuspid valve
D. sinoatrial valve
11
111Which of the following does not help in clotting of blood?
A. Heparin
B. Prothrombin
( c cdot c a^{2} )
D. Exposure to ( 0_{2} )
11
112Which of the following statements is/are incorrect about lymph?
(i)Lymph is colourful as it has haemoglobin but no RBC.
(ii)lt contains specialised Iymphocytes which are responsible for immunity of the body.
(iii)Lymph is an important carrier for nutrients and hormones.
(iv)Fats are absorbed through lymph in
the lacteals present in the intestinal villi.
A. i only
B. iii and iv
c. ii and iii
D. iv only
11
113What is the main function of white
blood corpuscle?
11
114The heart of which one of the following is proportionately larger than that of other vertebrates?
A. Amphibians
B. Reptiles
c. Birds
D. Man
11
115Heart of elephant is
A. Neurogenic
B. Myogenic
c. Loop of Henle
D. Bowman’s capsule
11
116Which of the following reveals the muscle disorders?
A. ECG
B. EEGG
c. Емя
D. All of the above
11
117Erythroblastosis foetalis is also called
as
A. sickle cell anaemia
B. Bleeder’s disease
C. Haemolytic disease of new born
D. Malaria
11
118Spleen and thymus are haematopoietic
for
A. RBC
в. wвс
c. Platelets
D. All of the above
11
119Purkinje fibres are present in
A. Ventricles
B. Auricles
c. Striated muscle fibre
D. Throughout the heart
11
120Heparin is a
A. Protein
B. Lipid
c. Enzyme
D. Mucopolysaccharide
11
121Blood consists of two parts, a liquid part
and a cellular part. Name these parts and briefly write about them.
11
122Osmotic pressure is maintained by blood colloid
A. Albumin
B. Thrombin
c. Fibrinogen
D. Globulin
11
123Both avian and mammalian hearts are
four chambered. The anatomy and physiology of heart is described by
A. Blood always enters into an atrium and then is pumped into a ventricle
B. Blood pressure alternates between systolic pressure and diastolic pressure
C. The atria provide one pump and the ventricles provide a second pump
D. The heart sends blood out through arteries and retrieves blood through veins
E. The heart pumps blood simultaneously through a pulmonary circuit and a systemic circuitt
11
124Blood enters the heart because muscles
of the
A. Atrium contracts
B. Atrium relaxes
c. ventricle relaxes
D. ventricle contracts
11
125Oxygen is transported in blood mainly by
A. Leucocytes
B. Erythrocytes
c. Thrombocytes
D. Blood plasma
11
126Blood clotting requires
( A cdot N a^{+} ) and ( K^{+} )
B. ( mathrm{Na}^{+} ) and prothrombin
C ( cdot mathrm{Ca}^{2+} ) and thromboplastin
D. None of the above
11
127Which of the following components of blood fights infection?
A. White blood cells
B. Platelets
c. Red blood cells
D. All of these
11
128Heart of frog differs from that of rabbit by presence of
A. sinus venosus
B. Four chambers
c. Mitral valve
D. Two aortae
11
129Papillary muscle is found in
A . Heart
B. Liver
c. Kidney
D. Lung
11
130What will happen if there are no valves
in the heart?
11
131Cardiac output is determined by
A . Heart rate
B. Stroke volume
c. Blood flow
D. Both A and B
11
132Animals of which phylum contains open circulatory system?
A. Arthropoda
B. Annelida
c. Hemichordata
D. Both (a) and (c)
11
133Differentiate between Iub and dup
sound.
11
134Choose the correct answer from the
alternatives given Which of the following are components of blood?
A. Plasma
B. Blood cells and platelets
c. Gases and other dissolved substances
D. All of the above
11
135The duration of cardiac cycle is
A. ( 0.8 mathrm{sec} )
B. ( 0.8 mu ) sec
c. ( 0.08 mathrm{sec} )
D. ( 0.008 mathrm{sec} )
11
136In haemoglobin, which of the following amino acids acts as a blood
buffer?
A. Histidine
B. Glutamine
c. Aspartic acid
D. Lysine
11
137If due to some injury the chordae tendineae of the tricuspid valve of the human heart is partially non-functional,
what will be the immediate effect?
A. The flow of blood into the pulmonary artery will be reduced
B. The flow of blood into the aorta will be slowed down
c. The pacemaker will stop working
D. The blood will tend to flow back into the left atrium
11
138Heart wall is made up of
A. Myocardium
B. Epicardium
c. Endocardium
D. All of the above
11
139Which diagram is correct for the
circulation of blood through human
heart?
( (mathbf{a}) )
(b)
( (c) )
( (mathbf{d}) )
11
140In humans, blood vascular system has
A. Double circulation
B. Venous heart
c. Arterial heart
D. Arteriovenous heart
11
141Blood platelets
A. Help in the production of red blood cells in the bone
marrow.
B. Clot the blood.
C . Are produced in liver.
D. Fight disease-causing germs.
11
142Which of the following is the function of
lymph?
A. Lymph keeps the body cells moist.
B. Lymph takes lymphocytes and antibodies from the lymph nodes to the blood
c. Lymph maintains the volume of the blood.
D. All of the above
11
143Which of the following acts as middle
man?
A. W.B.C
B. Plasma
c. Blood
D. Lymph
11
144Which of the following is true for RBCs?
A. They have no nucleus.
B. They are replaced in the liver.
C. They are outnumbered by white blood cells in the circulatory system.
D. They are made in the spleen.
E. They are the sites of rapid protein synthesis.
11
145Nature of valves in the heart is
A. Membraneous
B. Muscular
c. Tendinous
D. Ligamentous
11
146Assertion
Electorcardiogram is record of electrical activity of the heart which shows certain waves called ( P, Q, R, S )
and T waves.
Reason
It gives important information concerning the spread of excitation to the different parts of heart and it is of value in the diagnosis of cases of abnormal cardiac rhythm and myocardial damage
A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
c. If the assertion is true but the reason is false
D. If both the assertion and reason are false
11
147The P wave in the ECG indicates
A. Atrial depolarization
B. Rapid ventricular depolarization
C. Absolute refractory period
D. Repolarization of the ventricles
11
148Which of the following statements is true about red blood cells?
A. Protect the body from diseases
B. Carry oxygen to every part of the body
c. Biconcave in shape and have no nucleus
D. Both B and C
11
149The valve present between the left auricle and left ventricle is
A. Tricuspid valve
B. Bicuspid valve
c. Mitral valve
D. Aortic valve
11
150Which of the following substances, if introduced into the blood stream,
would cause coagulation of blood at the site of its introduction
A. Thromboplastin
B. Fibrinogen
c. Heparin
D. Prothrombin
11
151The second pregnancy of a woman terminates due to anaemia of the
foetus. She has never had a blood
transfusion. On the basis of this, which
of the following is correct?
A. Child from the first pregnancy is Rh’ ve
B. The husband of the woman is ( R h^{+} ) ve
c. The woman is Rh- ve
D. All the above
11
152State whether the following statements are true or false.
Semilunar valves open during the
ventricular diastole.
A. True
B. False
11
153Middle man of the body is
A. Plasma
B. Lymph
c. wвс
D. RBC
11
15426. First human heart transplant was
performed in
(1) 1972 (2) 1955
(3) 1967 (4) 1959
11
155Clotting of blood is brought about by
( A cdot ) RBCs
B. WBCs
c. Platelets
D. Plasma
11
156Myocardial infarction is due to
A. Infection of heart muscles
B. Weakening of heart muscles
c. clot in blood vessels of heart
D. Breakage of coronary vessel
11
157Lymph is colourless because
A. WBC are absent
B. WBC are present
C. Haemoglobin is absent
D. ( R B C ) are absent
11
158Read the following ( (A-D) ) :-
A. RBCs are the most abundant of all the
cells in blood.
B. A healthy adult man has no an
average 5 Billions to 5.5 Billions of RBCs
( m m^{-3} ) of blood
C.RBCs are formed in liver in the adults.
D.RBCs are devoid of nucleus in most of
the mammals and are biconcave in
shape. How many of the above statement are incorrect?
( A cdot 4 )
в. 3
( c cdot 2 )
D. 1
11
159Vitamin K cannot be produced by humans. What is true about the
presence of vitamin ( mathrm{K} ) in bloodstream even though a person’s diet is lacking in vitamin K?
A. Vitamin K is synthesized in the liver using hormones absorbed from ingested plant cells
B. Vitamin K is a byproduct of protein degradation during digestion.
c. Vitamin K is synthesized by bacteria that inhabit the colon
D. Vitamin K can be produced by exposure to sunlight.
E. None of the above
11
160since it is the sino-auricular node,
which initiates the impulses in the heart of mammal, it is known as
A. Cholinergic
B. Adrenergic
c. Neurogenic
D. Myogenic
11
161Which of the following is a commercial blood cholesterol lowering agent?
A. cyclosporin A
B. Statin
c. streptokinase
D. Lipases
11
162topp 5
( Q ) туре уочт question
(B)
( (mathrm{C}) )
( (D) )
(E)
11
163Membrane surrounding the heart is
A. Peritoneum
B. Visceral membrane
c. Pericardium
D. None of the above
11
164Select the correct Rh-blood groups of the parents, whose child is affected with erythroblastosis foetalis.
A. Both Father and Mother are Rh +ve
B. Mother is Rh ( + ) ve and Father is Rh-ve
c. Both Father and Mother are Rh -ve
D. Father is Rh +ve and Mother is Rh-ve
11
165Assertion
Smaller the organism higher is the rate of metabolism per gram weight.
Reason
The heart rate of a six month old baby is much higher than that of an old person.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion,
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
166Blood and lymph are types of
A. Muscular tissue
B. Epithelial tissue
c. connective tissue
D. Permanent tissue
11
167Enzyme causing lysis of fibrin during fibrinolysis is
A. Fibrinogen
B. Plasmin
c. Thrombin
D. VIII Platelet factor
11
168Which one of the following is correct?
A. Left atrium and left ventricle – oxygenated blood, right atrium and right ventricle – deoxygenated blood
B. Left atrium and left ventricle – deoxygenated blood, right atrium and right ventricle – oxygenated blood
C. Both A and B
D. None of the above
11
169in plant cell and in
mannalian cells are non-nucleated in
mature stages.
A. Tracheids, osteocytes
B. Sieve tubes, RBC
c. Companion cells, RBC
D. Parenchyma, bone marrow
11
170Which of the following does not play a role in blood coagulation?
( mathbf{A} cdot ) Vitamin ( mathbf{K} )
B. Vitamin D
c. calcium ions
D. Fibrinogen
11
171A man was infested with germs and
was taken to the hospital. On
pathological tests, it was found that he
had
a. A low number of RBC
b. A high number of WBC and a low
number of RBC
c. A low number of WBC
d. ( A ) high number of platelets Which of the following alternative is
correct?
A. bonly
B. a and d
c. conly
D. donly
11
172Rate of heart beat in frog is
A. 72 times per minute
B. 75 times per minute
c. 50 times per minute
D. 64 times per minute
11
173Rh factor was discovered by
A. Landsteiner and Weiner
B. William Harvey
c. Malpighi
D. None of these
11
174In the course of evolution, a heart for
pumping blood was first found in which of these?
A. Annelids
B. Roundworms
c. Arthropods
D. Flat worms
11
175A schematic representation of the blood
circulation is given. Which circulatory parts are incorrectly placed in it?
A. Right atrium and right ventricle
B. Left atrium and left ventricle
c. Pulmonary artery and pulmonary veins
D. Aorta and vena cava
11
176Neurogenic heart is characteristic of
A. Humans
B. Lower invertebrates
c. Rat
D. Rabbit
11
177Aspirin is given for minor heart stroke because
A. It reduces oedema
B. It is a painkiller.
c. It has ability to inhibit the production of blood platelet aggregatess
D. All of the above
11
178Which organ is part of circulatory system but does not take part in
pumping?
A . Heart
B. Liver
c. spleen
D. Kidney
11
179After examining the blood group of husband and wife, the doctor advised them not to have more than one child.
The blood groups of the couple are likely
to be
A. Male Rh” and female Rh
B. Female Rh – and male Rh
c. Male Rht and female Rht
D. Male Rh – and female Rh
11
180Pulmonary vein carries
A. Deoxygenated bloodd
B. Oxygenated blood
c. Mixed blood
D. None of the above
11
181What is the duration of one cardiac
cycle in man when the heart beats for 75
times per minute?
A. 0.4 seconds
B. 0.8 seconds
c. 0.5 seconds
D. 0.3 seconds
11
182What is interstitial fluid?
A. Fluid which removes waste
B. Fluid which dissolves nutrients
C. Fluid which occupies spaces between the cells
D. All of the above
11
183Assertion
Arteries carry blood from various body
organs to heart.
Reason
Veins carry blood from various body
organ to heart.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct
11
184Assertion
The regulation of RBC production is
accompanied by the kidneys.
Reason
Erythropoietin hormone criculates to
the
red bone marrow., Where it increase
stem
cell mitosis and speeds up the
development
of RBCS.
A. If both the assertion and the reson are true and the
reason
is correct explanation of the assertion.
B. If both the assertion and the reson are true but the
reason
is not correct explanation of the assertion.
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
11
185The colour of Iymph is
( mathbf{A} cdot operatorname{Red} )
B. Pale yellow
c. colourless
D. Milky
11
186Bilirubin and biliverdin are derived from
A. Globin
B. Heme
( c . ) Iron
D. Fatt
11
187Blood passes from left ventricle to right atrium. It is
A. Pulmonary circulation
B. Systemic circulation
c. Coronary circulation
D. Arterovenous circulation
11
188The blood vessel which brings oxygenated blood from lungs towards
the heart of frog is
A. Pre-caval
B. Post-caval
c. Pulmonary vein
D. Pulmonary artery
11
189Cardiac output is blood
A. Received by heart per minute
B. Pumped by ventricles per sec
C. Pumped by each ventricle per minute
D. Pumped by left ventricle per hour
11
190Assertion
Closed circulatory system is less efficient than open circulatory system.
Reason
The blood flow is slow in closed
circulatory system than in open circulatory system.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
191The volume of blood each ventricle
pumps out during a cardiac cycle is
about
A . 70 ( mathrm{ml} )
B. 5000 ml
c. ( 71 mathrm{ml} )
D. 1200 m!
11
192Differentiate between.
Hemopoiesis and hemolysis.
11
193The beating of heart of man is heard on the left side because
A. The left ventricle is towards the left side
B. Both the ventricles are towards the left side
c. Entire heart is on the left side
D. The aorta is on the left side
11
194Which type of the following heart valves are generally damaged?
A. Tricuspid valve
B. Eustachian valve
c. Bicuspid valve
D. Aortic semilunar valves
11
195Which blood cells transport oxygen?
A. Red
B. White
c. Both A and B
D. None of the above
11
196Right atrium of rabbit receives
A. Two anterior vena cava
B. Two posterior vena cava
C. One anterior and one posterior vena cava
D. None of the above
11
197The volume of blood that enters into the
aorta with each ventricular systole is called
A. Cardiac cycle
B. Stroke volume
c. cardiac output
D. Vital capacity
11
198The shoulder and fore limb are
connected to the heart by
A. Dorsal aorta
B. Subclavian artery
c. oesophageal
D. Occipito-vertebral
11
199In the truncus arteriosus of frog, synangium is separated from pylangium by which valve?
A. Spiral valve
B. Distal row of semilunar valves
c. Proximal row of semilunar valves
D. secondary septum
11
200Which of the following is NOT an allosteric modulation of hemoglobin?
A. Carbon dioxide
в. ( H^{+} )
c. 2,3 – Bisphosphoglycerate
D. Carbon monoxide
11
201We feel sleepy just after taking meals because
A. Blood flow increases in the brain
B. Blood flow decreases in the brain
c. Body weight increases
D. we feel lethargic
11
202Which clotting factor has been rejected
now?
A. VIII
B. VII
( c cdot v )
( D )
11
203Choose the correct answer from the
alternatives given The muscular wall that divides the
heart is called:
A . cardial wall
B. hyoglossus
c. trapezius
D. septum
11
204Foramen ovale/fossa ovalis is present in
A. Partition between inner and middle ear
B. Inter-auricular septum
C. Inter-ventricular septum
D. Aortic and pulmonary arches
11
205Vitamin K is required for
A. Formation of thromboplastin
B. Conversion of fibrinogen to fibrin
C. Conversion of protrombin to thrombin
D. Synthesis of prothrombin
11
206How Iymph acts as middle man in the
body?
A. It transports food materials, oxygen, hormones etc. to the body cells and brings carbon dioxide and other metabolic wastes from the body cells to blood and then finally pours the same into venous system.
B. It transports metabolic wastes, carbon dioxide, hormones etc. to the body cells and brings oxygen and other food materials from the body cells to blood and then finally pours the same into venous system.
C. It transports metabolic wastes, carbon dioxide, hormones etc. to the body cells and brings oxygen and other food materials from the body cells to blood and then finally pours the same into arterial and capillary system.
D. All of the above
11
207Which of the following vessel in rabbit starts with capillaries and ends in
capillaries?
A. Pulmonary artery
B. Renal vein
c. Hepatic portal vein
D. Renal artery
11
208Consider the four entries below:
I. Right auricle
II. Left auricle
III. Right ventricle
IV. Left ventricle
The above are the four chambers of
human heart in which the blood
returned to the bean by great veins flows in a sequential order. What is the correct sequentional order?
A . ॥, Iv, , ॥ ॥
в . ।, ॥I, и, Iv
c. ।, ॥, ॥ा, ।v
D. ॥, II, , , Iv
11
209Observe the diagram and answer the question. What is the advantage of having this kind of circulation?11
210Observe the diagram and answer the
questions.
Give a suitable title for the above
diagram.
11
211In humans, which structure receives
blood from the lungs?
A. Aorta
B. Pulmonary artery
c. Pulmonary vein
D. Renal vein
E. Femoral artery
11
212Blood of Periplaneta does not carry
OXygen because
( mathbf{A} cdot O_{2} ) is transported by respiratory tubules
B. Its respiration is anaerobic
C. There is no cells in its blood
D. Periplaneta does not has any blood vessel
11
213It is essential for venous blood while
travelling from kidneys towards heart to pass through
A. Iliac vein
B. Inferior vena cava
c. Liver
D. Hepatic vein
E. Pulmonary vein
11
214Choose the correct answer from the
alternatives given In the sinuses of an open circulatory system,-blood is not segregated from:
A . urine
B. interstitial fluid
c. digestive cavity
D. cytoplasm
11
215The blood vessel which supply oxygenated blood to cardiac tissue is
A. Coronary artery
B. Coronary vein
c. coronary sinus
D. Pulmonary vein
11
216Lymph contains proteins than plasma.
A . Less
B. More
c. Equal
D. None of the above
11
217Erythroblastosis foetalis is caused when fertilisation takes place between gametes of
A ( cdot R h^{-} ) female and ( R h^{+} ) male
B. ( R h^{+} ) female and ( R h^{-} ) male.
c. ( R h^{+} ) female and ( R h^{+} ) male
D. ( R h^{-} ) female and ( R h^{-} ) male
11
218Which of the following statements is
true about RBCs in humans?
A. They carry about ( 20-25 ) per cent of ( C O_{2} )
B. They transport 99.5 per cent of ( O_{2} )
C. They transport about 80 per cent oxygen only and the rest 20 per cent of it is transported in dissolved state in blood-plasma.
D. They do not carry ( C O_{2} ) at all.
11
219Which of the following is enucleated cell
( A ). RBC of frog
B. Sieve tube element
c. RBC of Crocodile
D. 1 and 2 both
11
220Heart of cockroach is
A. Four chambered
B. Ventral to gut
C. Longitudinal and beaded
D. Three chambered
11
221Hemoglobin in the RBCs helps in the
A. Transport of oxygen
B. Transport of nutrients
C. Transport of carbon dioxide
D. Both A and C
11
222The opening of postcaval in mammalian heart is guarded by
A. Semilunar valves
B. Bicuspid valve
c. Tricuspid valve
D. Eustachiun valve
11
223The figure represents total period of one cardiac cycle ie 0.8 sec and ( A, B ) and ( C )
represent its stages. Identify ( A, B ) and ( C )
and select the correct statement
regarding them.
A. During A, tricuspid and bicuspid valves open and blood flows from atria into the ventricles.
B. During B, bicuspid and tricuspid valves close producing first heard sound
C. During C, the semilunar valves close producing second heart sound.
D. During B, the atria contract due to a wave of contraction by SA node.
11
224Which of the following is an incorrect
statements?
A. Blood group ‘O’ person have A and B antibodies in plasma.
B. Eosinophilia is associated with allergic infection.
C. RBCs contain carbonic anhydrase.
D. T wave of normal ECG represent of depolarization of ventricle.
11
225Differentiate between
Blood and Iymph.
11
226Papillary muscles are located in
A. Ventricle of rabbit
B. Dermis of mammalian skin
c. orbit of vertebrate eyes
D. Pylorus of vertebrate stomach
11
227Blood clot inside a blood vessel is
known as
A. Thrombosis
B. Agglutinin
c. clot
D. Thrombus
11
228How many ATP’s are produced by
consumption of ( 1- ) glucose molecule in
RBC?
11
229What is mass or bulk flow system?11
230In which of the following situations, is there a risk factor for children of
incurring erythroblastosis foetalis?
A. Mother is Rh-ve and father is Rh-ve
B. Mother is Rh-ve and father is Rh +ve
c. Mother is Rh tve and father is Rh +ve
D. Mother is Rh ( + ) ve and father is Rh-ve
11
231Which of the following substances, if introduced into the bloodstream, would cause coagulation of blood at the site of
its introduction?
A. Fibrinogen
B. Prothrombin
c. Heparin
D. Thromboplastin
11
232Which of the following statement(s) is
(are) true about heart?
A. The left atrium receives oxygenated blood from different parts of the body, while right atrium receives deoxygenated blood from lungs.
B. The left ventricle pumps oxygenated blood to different body parts, while right ventricle pumps deoxygenated blood to lungs.
C. The left atrium transfers oxygenated blood to the right ventricle, which sends it to different body parts.
D. The right atrium receives oxygenated blood from different parts of the body, while left ventricle pumps oxygenated blood to different parts of the body.
11
233The ‘lubb’ and “dubb” heart sound are
due to
A. Opening of heart valves
B. Action of papillary muscles
c. closing of heart valves
D. Activity of pacemaker
11
234In a closed blood vascular system, blood is completely enclosed within the
A. Skeleton
B. sinuses
c. vessels
D. Heart
11
235The lymph is ……. in nature.
A. Solid
B. Liquid
c. Semi-solid
D. Gas
11
236In human body, toxic substances are detoxified in
A. Kidney
B. Lungs
c. Liver
D. Stomach
11
237Lymph does not contain
A. Red blood cells
B. White blood cells
c. Platelets
D. Both A and C
11
238The problem of erythroblastosis foetalis
OCCUrS when
A. Both father and mother are Rh positive
B. Both father and mother are Rh negative
C. Mother is Rh positive and father is Rh negative
D. Father is Rh positive and mother is Rh negative
11
239Which of the following is a correct statement about veins?
A. Valves are absent
B. They carry blood towards heart
c. They always carry oxygenated blood
D. They carry blood away from heart
11
240Match the following Columns I, II with III.
begin{tabular}{lll}
Column I (Common name) & Column II (Roman numerical designation) & Column III (Activation product) \
A. & & \
Prothrombin & 1.1 & (i) Convertin \
B. & & \
Proconvertin & 2. ( mathrm{V} ) & (ii) Fibrin \
Cibrinogen & 3. II & (iii) \
D. & & Thrombin \
Proaccelerin & 4. VII & (iv) \
hline
end{tabular}
( A )
A- 3- (iii), B- 4- (i), C-1- (ii), D- 2- (iv)
B. D- 4- (ii), B- 3- (iii) C- 2- (iv), A- – 1- (i)
c. ( c-3- ) (iii), A- ( 4- ) (ii), B- ( 1- ) (iv), D- ( 2- ) (i)
D. A- 3- (iii),C- 4- (i), D- 2- (ii), B- 1- (iv)
11
241Most of the blood proteins are
A. Acidic
B. Basic
c. Neutral
D. All the above in equal proportions
11
242Loss of haemoglobin can be controlled
by
A. Platelets
в. RВС
c. wвс
D. None of the above
11
243Oxygen in our blood is transported by a Protein, named:
A. Keratin
B. Collagen
c. Haemoglobin
D. Myoglobin
11
244Bundle of His’ is a part of which one of the following organs in humans?
A. Pancreas
B. Brain
c. Heart
D. Kidney
11
245Which of the following conducts the impulse from AV node to the ventricles?
A. Purkinji fibres
B. SA node
c. Right atrium
D. None of the above
11
246In rabbit, oxygenated blood flows from
A. Left auricle to left ventricle during auricular systole
B. Right auricle to right ventricle during ventricular systole
C. Right ventricle to aorta during ventricular systole
D. Pulmonary vein to left auricle during auricular systole
11
247The diagram given here is the standard
ECG of a normal person. The P-wave
represents the
A . Initiation of the ventricular contraction
B. Beginning of the systole
c. End of systole
D. Contraction of both the atria
11
248The graph of the electrical activity of heart versus time produced by the noninvasive medical procedure is called
A. Electroencephalogram
B. Electrocardiogram
c. stethoscope
D. None of the above
11
249Mammals have biconcave RBC. The
physiological use for it is
A. To decrease the surface area
B. To increase the surface area
c. To be packed like coins
D. None of the above
11
250Hamburger
phenomenon is also known as
A. Hydrogen shift mechanism
B. Chloride shift mechanism
C. Carbonic acid shift mechanism
D. Sodiumpotassium pump
11
251Closed circulatory system occurs in
A. Cockroach
B. Tadpole and fish
c. Mosquito
D. Housefly
11
252The T-wave in an ECG represents
A . Electrical excitation of atria
B. Return of the ventricles from excited state
C. Depolarisation of ventricles
D. Beginning of systole
11
253The colour of blood is red due to the
presence of
A. Magnesium
B. Cytoglobin
c. Haemoglobin
D. All of the above
11
254Rh antibody formed in Rh -ve mother during Rh incompatibility and develops Erythroblastosis fetalis is?
A. Universal Ab
B. Secretory Ag
c. surface Ag
D. Allergic Ab
11
255Why four-chambered heart is
beneficial?
A. It increases blood pressure.
B. It pumps blood to the lungs more often, so blood is better oxygenated.
C. It separates oxygenated and deoxygenated blood.
D. It lowers blood pressure and the threat of heart attacks.
E. It supplies the brain with more blood for cognition.
11
256What prevents backflow of blood inside the heart during contraction?
A. Valves in heart
B. Thick muscular walls of ventricles
c. Thin walls of atria
D. All of the above
11
257In heart of human, bicuspid valve is situated in
A. Right auricle and pulmonary aorta
B. Post caval and auricle
c. Left auricle and left ventricle
D. Right auricle and right ventricle
11
258Rani requested her teacher to tell the therapeutic uses of recombinant protein, Platelet growth factor.11
259Which one of the following is a matching pair?
A. Lub – sharp closure of AV valves at the beginning of ventricular systole
B. Dup- – Sudden opening of semilunar valves at the beginning of ventricular diastole
C. Pulsation of the radial artery – Valves in the blood vessels
D. Initiation of the heart beat – Purkinje fibres
11
260Critical count of platelet is
A ( cdot 40,000 / mathrm{mm}^{3} )
B. 1 lac ( / mathrm{mm}^{3} )
c. ( 2 operatorname{lac} / mathrm{mm}^{3} )
D. 4 lac / ( mathrm{mm}^{3} )
11
261Given is a diagram of a human blood
smear.

Study the diagram and answer the question that follow. Name the soluble protein found in part
( ^{prime} 4^{prime} ) which forms insoluble threads
during clotting of blood.

11
262Which of the four couples claiming the baby with ( 0+ ) blood type are possible the biological presents of it?
A. AB-and At
B. At and O-
c. ( 0+ ) and ( A B+ )
D. B- and O-
11
263A drop of each of the following, is placed separately on four slides. Which one of them will not coagulate?
A. Blood serum
C. Whole blood from pulmonary vein
D. Blood plasma
11
264Your immune system helps to protect you against viruses and bacteria that
can cause sickness. Which cells are
part of the immune system?
A. White blood cells
B. Red blood cells
c. Nerve cells
D. None of the above
11
265Choose the correct answer from the
alternatives given
The lymph consists of:
A . plasma
B. leucocytes
c. plasma and leucocytes
D. plasma and erythrocytes
11
266What is main difference between
angina pectoris, heart failure, cardiac arrest and heart attack? Explain.
11
267The condition of erythroblastosis
foetalis occurs only when
A. The husband is ( R h^{+} ) and wife is ( R h^{-} )
B. The husband is ( R h^{-} ) and wife is ( R h^{+} )
C. The mother is ( R h^{+} ) and the foetus is ( R h^{-} )
D. The mother is ( R h^{-} ) and the foetus is ( R h^{+} )
11
268Short / Long type answer type questions. Why can you palpate the pulse on an artery in each heart beat?11
269The inferior vena cava
A. Divides into hepatic portal veins
B. Opens into the left auricle
C. Commences at the kidney
D. Begins at the hind end of abdomen
11
270Select the correct option regarding the
given figure.
A. ( mathrm{D} ) is eosinophil which is found more in asthma patients
B. B is lymphocyte which helps in blood clotting.
C. ( C ) is neutrophil which is phagocytic in nature
D. A is monocyte which releases histamine, serotonin and heparin.
11
271Describe the structure of the heart of a
man. Draw a neat labelled diagram of it.
11
272The Iymph serves to
A. Return the interstitial fluid to the blood
B. Return the ( mathrm{WBCs} ) and RBCs to the lymph nodes
C. Transport ( C O_{2} ) to the lungs
D. Transport ( O_{2} ) to the brain
11
273The last structure to be reached by a tracer substance injected into a
patient’s superior vena cava before leaving heart is
A. Right ventricle
B. Left ventricle
c. Pulmonary veins
D. Left atrium
E. Right atrium
11
274Which of the following is the right match with the components of transport system of human beings with their functions?
( begin{array}{lll} & text { Components } & text { Functions } \ 1 & text { Heart } & O_{2} text { transport } \ 2 & text { Fibrinogen } & text { Blood clotting } \ 3 & text { RBC } & text { Forms fibrin } \ 4 & text { Platelets } & text { Pumps blood }end{array} )
( A )
B. 2
( c )
D.
11
275In human, the prothrombin required for blood clotting is produced in
A. Liver
B. Stomach
c. Pancreas
D. spleen
11
276Assertion
The regulation of RBC production is accomplished by FSH
Reason Erythropoietin, hormone circulates to red bone marrow where it increases
stem cell mitosis and speed up
development of RBCs
A. If both the assertion and the reason are true and the reason is correct explanation of the assertion
B. If both the assertion and the reason are true but the reason is not correct explanation of the assertion
c. If the assertion is false but the reason is true
D. If both the assertion and reason are false
11
277The two branches of the external iliac
artery are
A. Femoral and renal
B. Femoral and sciatic
c. vesciculo-epigastric and femoral
D. Renal and sciatic
11
278Assertion
In ECG graph of heart, pulse ‘R’ is the peak point
Reason
It shows the atrial depolarisation which takes 0.2 seconds.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
279A yellow substance oozing out from
wound has
( mathbf{A} cdot ) Lymph ( +mathrm{RBC}+mathrm{WBC} )
B. Lymph + RBC + dead bacteria
C. Dead WBC+ bacteria + tissue debris
D. Lymph + dead leucocytes
11
280Lymph transports white blood cells from
A. Spleen
B. Pancreas
c. Lymph nodes
D. liver
11
281The lymph differs from the blood in having
A. More RBC less WBC
B. Less RBC more WBC
c. No RBC less WBC
D. No RBC more WBC
11
282Platelets helps in
A. Transport of gases
B. clotting
C. Fight against disease
D. None of the above
11
283The heart sounds normally heard by a physician while holding a stethoscope onto the left side of the chest of the
patient are due to
A. contraction of atrial chambers
B. Contraction of ventricular chambers
c. closure of the atrioventricular valves.
D. Relaxation of the semilunar valves
11
284The advantage of RBCs being biconcave
is that
A. They increase the surface area
B. They can be packed up like coins.
c. They can fit into capillaries.
D. None of the above
11
285Critical count of Platelete is
A. ( 4 times 10^{4} / m m^{3} )
B. 1 lakh/mm^ ( ^{3} )
c. 2 lakh ( / m m^{3} )
D. 4 lakh ( / m m^{3} )
11
286Spiral valve is present in
A. Right auricle
B. Left auricle
c. Right ventricle
D. Truncus arteriosus
11
287A portal system is one in which
( A cdot A ) vein starts from an organ and ends up in heart.
B. A vein starts from an organ and ends up in another
organ
C. A vein starts from heart and ends up in lungs.
D. None of the above
11
288Tissue plasmin activator
A. Helps in wound healing
B. Dissolves clot in blood vessels of heart
c. Allergy response
D. None of the above
11
289Blood which leaves liver and passes
towards heart has concentration of
A . Bile
B. Oxygen
c. RBCs
D. urea
11
290sino-atrial node is called as the
pacemaker of our heart. Why?
11
291Match the animals listed below with
their nature of blood. Choose the answer
which gives the correct combination of
alphabets of the two columns.
Animals ( quad ) Nature of blood
A. Man
(p) Plasma and cells are colourless
B.
(q) Plasms is colourless and Earthworm nucleated
( mathrm{C} )
(r) Plasma is colourless and cockroach enucleated RBC
(s) Plasma is red and nucleated,
D. Frog ( quad ) colourless RBC
(t) Plasma and RBC have haemoglobin
( A cdot A-p, B-s, C-q, D-r )
B. A-t, B- r, C- p, D-s
C. ( A-r, B-s, C-p, D-q )
D. ( A-s, B-t, C-r, D-q )
11
292Which of the following vertebrates were
the first to evolve a three chambered
heart for proper distribution of oxygen
in the body?
A. Fishes
B. Reptiles
c. Amphibians
D. Birds
E. Mammals
11
293Assertion
Angina pectoris means “pain in the chest”.
Reason
It results due to carrying of extra blood to the heart muscle.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
294Correct statement regarding Mitochondria and Chloroplast
A. ATP synthesis is seen in both
B. Outer membrane has more surface in
both
C. Circular naked DNA, RNA and 70
ribosomes are seen in both
D. Oxidative phosphorylation occurs in both
A . A and B
B. B and C
c. A and ( c )
D. A and D
11
295Draw a neat labelled diagram of human heart showing external features.11
296Chambers in human heart
A . 1 auricle, 1 ventricle
B. 2 auricles, 1 ventricle
c. 1 auricle, 3 ventricles
D. 2 auricles, 2 ventricles
11
297Fill in the blanks with approriate words. … valves prevent backflow of blood
into the heart.
11
298Compared to blood our Iymph has
A. More RBCs and less WBCs
B. No plasma
C. Plasma without proteins
D. More WBCs and no RBCs
11
299Human heart is myogenic and it is supplied with sympathetic and vagus nerve branches that are
acceleratory and inhibitory in nature respectively.Which one of the following statement is incorrect w.r.t the heart
beat?
A. In foetal heart the heart rate is ( 140-130 ) beats per minutes
B. Mental status such as depression and grief decrease heart rate
C. An excess of ( C a^{++} ) ion decreases heart beat rate
D. High levels of ( N a^{+} ) and ( K^{+} ) decreases the strength of contraction
11
300Which of the following are needed for
blood clotting?
A ( cdot mathrm{Ca}^{++} ) and vitamin E
B. ( mathrm{Ca}^{++} ) and vitamin ( mathrm{K} )
c. ( K^{+} ) and vitamin A
D. ( K^{+} ) and vitamin ( K )
11
301Assertion
Double circulation is incomplete in amphibians and reptiles
Reason
Unlike in birds and mammals, in amphibian and reptiles, the left atrium receives oxygenated blood and right atrium receives deoxygenated blood.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
302Heart of fish receive
A. Oxygenated bloodd
B. Deoxygenated blood
c. Both A and B
D. None of the above
11
303Largest erythrocytes occur in
A. Llama
B. Whale
C. Amphiuma
D. Musk Deer
11
304The correct order of the flow of blood
through the heart, entering from vena
cava is
A. Left atrium ( rightarrow ) left ventricle ( rightarrow ) right ventricle ( rightarrow ) right atrium
B. Left ventricle ( rightarrow ) left atrium ( rightarrow ) right atrium ( rightarrow ) right ventricle
C. Right atrium ( rightarrow ) right ventricle ( rightarrow ) left atrium ( rightarrow ) left ventricle
D. Right ventricle ( rightarrow ) right atrium ( rightarrow ) left atrium ( rightarrow ) left ventricle
E. Right ventricle ( rightarrow ) right atrium ( rightarrow ) left ventricle ( rightarrow ) left atrium
11
305The blood does not clot inside the body because of
A. Oxygenation of blood
B. Movement of blood
c. Heparin in blood
D. Absence of fibrinogen in blood
11
306Choose the correct answer from the
alternatives given In the systemic circuit, the ( _{–} ) hearts half pumps ( _{–} ) blood to all body regions:
A. right; oxygen-poor
B. right; oxygen-rich
c. left; oxygen-poor
D. Ieft; oxygen-rich
11
307Give reasons:
Blood goes only once in one cycle through the heart in fishes.
11
308Differentiate between.
Venous heart and pulmonary heart
11
309Alary muscle is associated with
A. Heart and circulation
B. Malpighian tubules and excretion
C. Trachea and respiration
D. None of the above
11
310Differentiate between.
Atrial systole and ventricular systole
11
311Platelets are a source of
A. Fibrinogen
B. Calcium
c. Thromoboplastin
D. Heamoglobin
11
312Which one of the following mammalian cells is not capable of metabolizing glucose to carbondioxide aerobically?
A. Red blood cells
B. White blood cells
c. Unstriated muscle cells
D. Liver cells
11
31349. What is the Normal Blood Volume
in human adult ?
(1) One litre (2) Three litres
(3) Five litres (4) Seven litres
11
314Match the following
List –

List – II
( A )
Sandwich । Three dimensional image ELISA
B. QRS
II. Substrate linked antibody complex
( mathrm{C} )
III. Ventricular depolarisation Allograft
D. CT
IV. Transplantation between Scan ( quad ) genetically non-identical individuals
A. ( A-| I, B-11, C-1, D-1 V )
B. ( A-I, B-11, C-111, D-1 V )
C. ( A-I V, B-| I, C-11, D-1 )
D. ( A-11, B-111, C-1 V, D-1 )

11
315Which one of the following is the correct pathway for propagation of cardiac impulse?
A. SA node ( rightarrow ) Bundle of his ( rightarrow ) Purkinje fibres
B. AV node ( rightarrow ) Bundle of his ( rightarrow ) SA node ( rightarrow ) Purkinje fibres
c. SA node ( rightarrow ) Purkinje fibres ( rightarrow ) AV node ( rightarrow ) Bundle of his
D. Purkinje fibres ( rightarrow ) AV node ( rightarrow ) SA node ( rightarrow ) Bundle of his
11
316Which of the following has a 3 chambered heart?
A. Salamander
B. Fish
c. crocodile
D. Dolphin
11
317Urea is transported through
( A cdot ) RBCs
B. WBCs
c. Plasma
D. Lymph
11
318Draw neat labelled diagram of a cross
section of an artery and a vein
11
319Foetal passage between aortic and pulmonary arches is
A. Foramen rotundum
B. Foramen caecum
c. Ductus arteriosus
D. Ligamentum arteriosum
11
320Describe in detail the composition of human blood.11
321Echocardiogram (ECG) is a measure of
A. Rate of heart beat
B. Difference in electric potential
c. volume of blood pumped
D. Ventricular contraction
11
322One haemoglobin carries how many
molecules of ( boldsymbol{O}_{2} ? )
( A cdot 4 )
B. 2
( c cdot 6 )
D.
11
323What precautions should be taken to
avoid heart attack?
11
324Coagulation of blood in vessels is prevented during normal circulation by
A. Heparin
B. Prothrombin
c. Plasminogen
D. Thromplastin
11
325Ramu got injured while playing Kabaddi. His blood clotted within
6 minuteS. Write the procedure involved in it.
11
326If the mother is ( R h^{-v e} ) and father is
( R h^{+v e}, ) which of the following ( R h^{+v e} )
child is normally not affected?
A. First
B. second
c. Male child
D. Female child
11
327Lymph flows in direction.
A. upwarddardpwardd
B. Downward
c. Frontward
D. Backward
11
328Coronary sulcus is?
A. Transverse groove
B. Longitudinal sulcus
C. Also known as Inter-ventricular sulcus
D. Inter-articular septum
11
32948. The greatest affinity for haemoglobin shown by which
of the following?
(a) NO
(b) CO
(c) 02
(d) CO,
11
330Apex beat is felt on
A. Lungs
B. Right side of chest
C. Left side of chest
D. Centre of chest
11
331Ratio of WBC to RBC in human blood is
A .1: 100
B. 1: 200
c. 500:
D. 1: 600
11
332Assertion
Specialization of cells is advantageous
for
the organism
Reason
It increase the operational efficiency of
an
organism
A. If both the assertion and the reson are true and the
reason
is correct explanation of the assertion.
B. If both the assertion and the reson are true but the
reason
is not correct explanation of the assertion.
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
11
333Which organ is bypassed in foetal circulation?
A. Heart
B. Brain
c. Lung
D. Liver
11
334Bicuspid and tricuspid valves are open during
A. Ventricular systole
B. Ventricular diastole
c. Atrial systole
D. Late joint diastole
11
335Consider the following statements ( (A- )
C) each with one or two blanks.
(A)(1) are the most abundant cells (60-
( 65 text { per cent }) ) of the total WBCs and (2) are the least (0.5-1 per cent) among
them.
(B)Platelets are cell fragments produced from (3)
(C)During clot formation, fibrins are formed by the conversion of inactive in the plasma by the enzyme (5). Which one of the following options,
gives the correct fill ups for the respective blank numbers from
(1) to
(5)
in the statements?
A. (I)-Neutrophils, (2)-basophils, (4)-fibrinogens, (5) thrombin
B. (3)-mast cells, (4)-throm bo kinase, (5)prothrombin
c. (3)-megakaryocytes,
(4) prothrombin, (5)thrombin
D. (1)-Basophils, (2)-neutrophils, (3)-reticulocytes
11
336Lymph plays an important role in protecting immune system of the body Justify this statement.11
337Lymph drains excess fluid from extracellular space back into
A. Bloodd
B. Lymph node
c. Lymphatic channel
D. Lymph gland
11
338Lymph provides immunity because
A. It has lymphocytes
B. It has erythrocytes
c. It has thromobocytes
D. None of the above
11
339Which of the following has the similar composition as lymph?
A. Red blood cells
B. Blood plasma
c. White blood cells
D. Nutrients
11
340Cells which lose their nucleus during differentiation are
A. Nerve cells
B. Muscle cells
c. Erythrocytes
D. Leucocytes
11
341Protein required for coagulation of blood is
A. Haemoglobin
B. Globulin
c. Fibrinogen
D. Albumin
11
342Compared to blood our lymph has
A. More RBCs and less WBCs
B. No plasma
c. Plasma without protiens
D. More WBCs and no RBCs
11
343With the help of neat labelled diagram
describe the internal structure of
human heart.
11
344The given graph shows an oxygen dissociation curve for haemoglobin.
Where in the body will haemoglobin be saturated at the percentages shown at
points 1,2 and 3 on the graph?
A. Left ventricle1Pulmonary vein2 Vena cava3
B. Left ventricle2Pulmonary vein1Vena cava3
c. Left ventricle2Pulmonary vein3Vena caval
D. Left ventricle3Pulmonary vein2Vena cava
11
345If there is increased in RBC’s count in
Ramesh’s blood, then he is suffering from which condition?
11
34676. Which of the following combines with haemoglobin in
blood?
(a) Carbon dioxide (b) Methyl cyanide
(c) Carbon monoxide (d) Methylisocyanide
11
347In human beings the blood goes to the
heart in one cycle once. Is it true or
false?
11
348An Evoked Potential Studies (EPS) enables us to
A. Evaluate different sensory functions
B. Detect clinically silent tensions
c. Study hearing and vision in children
D. All of the above
11
349Which of the following has the largest heart?
A . Giraffe
B. Lion
c. crocodile
D. None of the above
11
350To reach the left side of heart the blood
must pass through
A. sinus venosus
B. Kidneys
c. Liver
D. Lungs
11
351Human fetal haemoglobin differs from the adult haemoglobin in that it has
A. Higher affinity for oxygen
B. Lower affinity for oxygen
c. Two subunits only
D. Is glycosylated.
11
352Define the Iymph.11
353Choose the functions of sympathetic
nervous system.
A. Constricts bronchi and pupil of eye
B. Increases heart rate and relaxes bronchi
C. Decreases heart rate and increase peristalisis
D. Dilates blood vessels and stimulates salivary secretions
11
354Mark the odd one in each of the
following series:
Mitral valve, tricuspid valve, semilunar valve, venous valve.
11
355Short / Long type answer type
questions. Draw a simple diagrammatic sketch of
the internal structure of human heart.
Label the different chambers and the
valves.
11
356Lymph
A. Transports ( O_{2} ) to brain
B. Transports ( C O_{2} ) to lungs
C. Returns interstitial fluid to blood
D. Returns RBCs and WBCs to lymph nodes
11
357When the right ventricle in the human heart contracts, the blood moves to
A. Aorta
B. Brain
c. Lungs
D. Pulmonary arteries
11
35839. Blood fails to clot white flowi,
in the blood vessel because of the
presence of
(1) Heparin
(2) Prothrombin
(3) Haemoglobin
(4) Hirudin
11
359In normal ECG, PR and T wave are lies at
A. Above the base line
B. Below the base line
C. partly above and partly below the base line
D. Equal to the base line
11
360The heart sound “DUP” is produced when
A. Mitral valve opens
B. Mitral valve closes
c. semilunar valve at the base of aorta closes
D. Tricuspid valve opens
11
361How many chamber are present in human heart?
A . 2
B. 3
( c cdot 4 )
( D )
11
362The valves which allow blood to flow
from the ventricles into the arteries and
not in the opposite direction are
A. Bicuspid and tricuspid valves
B. AV valve (atrio ventricular valve) and semilunar valve
c. Aortic valve and mitral valve
D. Semilunar valve
11
363Heart beat becomes faster on
stimulation from
A. Sympathetic nerves and adrenaline
B. Sympathetic and parasymapathetic nerves
C. Parasympathetic nerves and epinephrine
D. Parasympathetic nerves and acetylcholine
11
364The conduction of impulse takes from
SA node to
A. AV node
B. Bundle of Hiss
c. Purkinjee fibres
D. Cardiac muscles
11
365Red blood cells are also known as
A. Erythrocytes
B. Leukocytes
c. Neurocytes
D. Oxycytes
11
366What is the significance of atrio-
ventricular node and atrio-ventricular
bundle in the functioning of heart?
11
367Peyer’s patches produce
A. Enterokinase
B. Lymphocyte
c. мucous
D. Trypsin
11
368Which of the following are the first to have closed circulatory system?
A. Molluscs
B. Annelids
c. Arthropods
D. Echinoderms
11
369Write a note on coagulation of blood.11
370Write a note on pericardium.11
371Which of the following has the similarities with the lymph?
A. Red blood cells
B. Blood plasma
c. White blood cells
D. Nutrients
11
372ECG method is the way to detect
A. Heart attack
B. Heart block
C. Coronary thrombosis
D. All of the above
11
373The cardiac impules that results into the heart beat is delayed at
A. Internodal tract
B. AV node
c. Bundle of Hiss
D. Purkinje fibre
11
374The diagram shows a section through
the human heart. Which blood vessels
carry blood to and from the lungs?
A. Blood to lungs – 1 , Blood from lungs – 3
B. Blood to lungs – 1, Blood from lungs – 4
C. Blood to lungs – 2, Blood from lungs – 3
D. Blood to lungs – 2, Blood from lungs – 4
11
375Cardiac output is determined by
A . Heart rate
B. Stroke volume
c. Both A and B
D. None of these
11
376Briefly describe the transport of ( C O_{2} ) in
the blood.
11
377Which one is largest and smallest
(a) Eosinophi
(b)Basophil
(c)Neutrophil
(d)Monocyte
(e) T-lymphocyte
11
378Left auricle recieves pure blood from the
A. Pulmonary veins
B. Pulmonary artery
c. Superior vena cava
D. Inferior vana cava
11
379Match the Column-I with Column-II.
Column-I
(i) Depolarisation of
(a) P-wave
(ii) Repolarisation of
(b) QRS complex ( quad ) ventricles
(iii) Coronary
(c) T-wave
(d) Reduction in the size
(iv) Depolarisation of of T-wave atria
(v) Repolarisation of atria
Select the correct option.
A. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
B. (a)-(iv), (b)-(i), (c)-(ii), (d)-(v)
( c cdot(a)-(i i),(b)-(i),(c)-(v),(d)-(i i i) )
D. (a)-(ii), (b)-(iii), (c)-(v), (d)-(iv)
11
380What will be the number of heartbeats
per minute, if the stroke volume of heart increases with the total volume of blood
remains same?
A. Remains constant
B. Decreases
c. Increases
D. Becomes erratic
11
381Lymph is responsible for removal of
A. Antigens
B. Toxins
c. Interstitial fluid
D. All of the above
11
382The medium of plasma is
A. Acidic
B. Basic
c. Neutral
D. None of the above
11
383Choose the correct answer from the
alternatives given.

Which of the following represents the pulmonary circulation as the blood flows from
the right ventricle?
A. Pulmonary trunk ( rightarrow ) pulmonary veins ( rightarrow ) pulmonary capillaries ( rightarrow ) pulmonary arteries
B. Pulmonary arteries ( rightarrow ) pulmonary capillaries ( rightarrow ) pulmonary trunk ( rightarrow ) pulmonary veins
c. Pulmonary capillaries ( rightarrow ) pulmonary trunk ( rightarrow ) pulmonary arteries ( rightarrow ) pulmonary veins
D. Pulmonary trunk ( rightarrow ) pulmonary arteries ( rightarrow ) pulmonary capillaries ( rightarrow ) pulmonary veins

11
384Blood circulation that starts as
capillaries and terminate as capillaries is called
A. Hepatic circulation
B. Portal circulation
c. Renal circulation
D. Lymphatic circulation
11
385Which side of the heart pumps only deoxygenated blood?
A. Right
B. Left
c. Both right and left
D. None of the above
11
386An atrioventricular valve prevents the
back flow or leakage of blood from-
A. The right ventricle into the right atrium
B. The left atrium into the left ventricle
c. The aorta into the left ventricle
D. The pulmonary vein into the right atrium
11
387Number of heart chambers present in human is 3
A . True
B. False
11
388Characteristics of cardiac muscles are
that they
A. Contract quickly and get fatigued
B. Contract quickly and do not get fatigued
c. contract slowly and get fatigued
D. contract slowly and do not get fatigued
11
389Describe double circulation in human
beings schematically. Why is it
necessary?
11
390Match the items given in Column I with
those in Column II and select the correct
options given below:
Column I
Fibrinogen osmotic balance
Globulin 2 Blood clotting
Defence Albumin ( quad 3 quad ) mechanism
A. ( A-1, B-3, C-2 )
B. ( A-3, B-2, C-1 )
c. ( A-2, B-3, C-1 )
D. ( A-1, B-2, C-3 )
11
391Foreman ovale
A. Connects the two atria in the foetal heart.
B. Is a condition in which the heart valves do not
completely close.
C. Is a shallow depression in the inter ventricular septum.
D. Is a connection between the pulmonary trunk and the aorta in the foetus.
11
392If blood cells are eliminated from the
blood, the liquid left is
A. Serum
B. Plasma
c. Lymph
D. synovial fluid
11
393Thrombokinase is associated with
A. Ellimination of urea and other excreatory products from the body.
B. Production of erythrocytes from the bone marrow.
C. Pulmonary and systematic circulation.
D. Cardiac cycle and its regulation
E. Enzymatic reactions in coagulation of blood.
11
394Which animal has most mixing of oxygenated and deoxygenated blood in the ventricles?
A. Scoliodon
B. Rabbitt
( c . ) Frog
D. None of the above
11
395Which side of the heart (left or right) contains oxygenated blood?11
396The amount of water present in blood plasma is
A . 60%
B. 70%
c. 80%
D. 90%
11
397Short / Long type answer type questions. Why does the left ventricle possess a thicker wall than the right ventricle?11
398Write the differences between:
Blood and Lymph
11
399Myogenic heart is not present in which of the following?
A. Man
B. limulus
c. Frog
D. Musse
11
400After examining the blood groups of husband and wife, the doctor advised them not to have more than one child.
The blood groups of the couple are likely
to be
A. Male Rh” and female Rh
B. Male Rht and female Rht
C. Female ( mathrm{Rh}^{-} ) and male ( mathrm{Rh}^{+} )
D. Male Rh – and female Rh
11
401The diagram given alongside represents the human heart in one phase of its activity. Study the same and then
answer the questions that follow:
(a)Name the phase.
(b)Which part of the heart is
contracting in this phase? Give a reason
to support your answer
(c)Name the parts numbered 1 to 6.
(d)What type of blood flows through the parts marked 1 and 2 respectively?
(e)How many valves are closed in this
phase?
11
402Name the membrane that covers the
heart.
11
403Short / Long answer type questions.
(a) Explain the phenomena of multiple allelism and co-dominance taking ABO blood group as an example.
(b) What is
the phenotype of the following: (i) ( A ) i,
(ii) ii
11
404What is Iymph?11
405Purkinje fibre is found in
A. Conduction system of heart
B. Brain
c. Nephrons of kidneys
D. Sensation of skin
11
406Typical lub-dub sounds heard in heartbeat are due to
A. closing of bicuspid and tricuspid valves
B. closing of semilunar valves
c. closure of bicuspid-tricuspid valves followed by semilunar valves
D. Blood under pressure through aorta
11
407Tricuspid valve is present between
A. Right atria and right ventricle
B. Both atria
C. Both ventricles
D. Left atria and left ventricle
11
408Statement I: EEG is of immense
diagnostic value in the cardiac disease Statement II: Defects in cardiac
functions can be reflected in changes in the pattern of electrical potentials recorded in the EEG
A. Statement – – lis True, Statement – -II is True, Statement I is correct
B. Statement-lis True, Statement- -II is True; Statement I is NOT a correct explanation for the statement – –
c. Statement- – I is True, Statement- – II is false
D. Both the statements are false
11
409Which is the principal cation in the plasma of the blood
A. Calcium
B. Sodium
c. Potassium
D. Magnesium
11
410Why the blood that flows from the lungs
to the heart appears bright red rather
than dark red?
A. Oxygen makes it red.
B. Carbon dioxide makes it red.
c. Gastric juices produce the red color of blood.
D. The lungs add a pigment to the blood as it flows through them
11
411Cardiac ouput is blood
A. Received by heart per minute
B. Pumped by ventricles per sec
c. Pumped by left ventricle per minute
D. Pumped by left ventricle per hour
11
412How much blood is pumped to the brain in 1 minute?
A. ( 450 mathrm{ml} )
B. 750 m1
( c cdot 1000 mathrm{m} )
D. 2500 ml
11
413Which one of the following plasma proteins is involved in the coagulation of blood?
A. Fibrinogen
B. Albumin
c. Serum amylase
D. Globulin
11
414single heart circuit occurs in
A. Fish
B. Frog
c. Reptile
D. Man
11
415Normal cardiac output is
A. 15 litres/min
B. 520 litres/min
c. 5 litres/min
D. None of the above
11
416Blood clotting requires
( A cdot N a^{+} ) and ( K^{+} )
B. ( mathrm{Na}^{+} ) and prothrombin
C ( cdot mathrm{Na}^{+} ) and thromboplastin
D. ( mathrm{Ca}^{++} ) and thromboplastin
11
417Short / Long type answer type
questions. How does the blood differ in its
components in a mammal when it enters the lungs and when it leaves them?
11
418Red blood cells
A. Divide by mitotic division
B. Divide by meiotic division
C . Divide amitotically
D. Do not divide
11
419The life of the erythrocytes in mammalian blood is about
A. 120 days
B. 150 days
c. 190 days
D. 180 days
11
420Which of the following vessel carries most of the oxygenated blood?
A. Pulmonary artery
B. Pulmonary vein
c. coronary artery
D. Cerebral artery
11
421Impulse originating from sino-atrial node are transmitted to the
A. Atrio-ventricular node
B. Bundle of Hiss
c. Pacemaker
D. Purkinje system
11
422Lymph differs from blood in having
( A ). No WBCs
B. No proteins
c. No RBCs
D. None of the above
11
423Coagulation of blood is an important mechanism. Explain its mechanism.11
424State briefly the difference between
white blood cells and the red blood cells.
11
425The volume of blood pumped by heart in one minute is called?
A. Heart rate
B. systole
c. cardiac output
D. Diastols
11
426In frog heart, there are cardiac muscles which consist of fibres called
A. Purkinje fibres
B. Myonemes
c. Telodendria
D. Columnae carneae
11
427TLC of human blood is about?
( mathbf{A} cdot 5000-6000 ) per ( mathrm{ml} ) of blood
B. ( 5000-11000 ) per ml of blood
C ( .5000-11000 ) per cubic mm of blood
D. ( 2000-6000 ) per cubic mm of blood
11
428Average life span of RBCs is days.11
429Megakaryocytes, special cells in the
bone marrow that produce cell fragments are called:
A. Leucocytes
B. Erythrocytes
c. Thrombocytes
D. Fibrinogen
11
430Complete the paragraph given below by filling in the blanks.

Blood flows twice in heart. In pulmonary circulation, the oxygenated blood is
carried to from
of heart through The oxygenated blood from lings is carried back to
of the heart through This oxygenated blood
from heart is carried to all systems
through and the deoxygenated blood from the systems below and above the heart is supplied to of
heart through

Hence it is
called double circulation.

11
431What are ( P, Q, R, S ) in the given figure?
A. P- -Right ventricle, Q – Left ventricle, R – Right atrium
– Left atrium
B. P- Right atrium, Q – Left atrium, R – Right ventricle, S Left ventricle
c. P-Right ventricle, Q – Left atrium, R – Right atrium, S Left ventricle
D. P- -Right atrium, Q- Right ventricle, R – Left atrium, S Left ventricl
11
432Lymph is
A. Blood minus R.B.C
B. Blood minus W.B.C
C. Blood minus cells
D. Plasma minus protein
11
433Choose the correct match from Column
‘B’ for Column ‘A’.
11
434Pericardial fluid is secreted by
A. Myocardium
B. Perietal peritoneum
c. Visceral peritoneum
D. Pericardium
11
435A boy has the blood group 0. What is true of the inheritance of this blood
group in his case?
A. His mother should be with AB blood group
B. Both his parents could be heterozygous A group
c. His father could be homozygous B group
D. His mother could be homozygous A group
11
436The connective tissue known as
middleman is
A . Lymph
B. Blood
c. Serum
D. Bone
11
437Four chambered heart is present in
( A cdot F operatorname{rog} )
B. Crocodile
c. shark
D. Lizard
11
438In cardiac cycle, maximum time is
taken by
A. Atria systole
B. Atria diastole
c. Ventricle systole
D. Ventricle Diastole
11
439About ( 97 % ) of ( O_{2} ) is transported by RBC.
The remaining ( 3 % ) is
A. Dissolved in plasma and transported
B. Remains in lungs
c. Attached to cell membranes
D. Inside the mitochondria
E. In peroxisomes
11
440Mark the correct statement.
A. Blood has WBC while lymph has RBC
B. Blood has both RBC and WBC while lymph has none
C. Blood has RBC while Iymph has both RBC and WBC
D. Blood has RBC and WBC while Iymph has only WBC
11
441Which of the following groups of organic compounds represent the proteins present in human blood?
A. Pepsin, trypsin and chymotrypsin
B. Albumins, globulins and prothrombin
c. valine, glycine and alanine
D. Glucose, fructose and galactose
11
442Explain cardiac cycle with the help of diagrams.11
443The condition which cannot be detected
by ECG is
A. Blockage of coronary artery
B. Gastric ulcer
c. Defect of heart valve
D. Angina
11
444Right aortic arch is found in
A. Mammals
B. Birds
c. Mammals and birds
D. Reptiles
11
445Which of the following should a heart patient firmly avoid?
A. Cream
B. Mango
c. Rice
D. Milk
11
446Lymph is transported through the
A. Lymph nodes
B. Lymphocytes
c. Lymph nerves
D. Lymph vessels
11
447Name the three important blood
proteins are seen in the plasma. Add a note, on their functions.
11
448Differentiate between:
Haemoglobin and leghaemoglobin
11
449Blood circulation that starts in
capillaries and ends in capillaries is called
A. Portal circulation
B. Hepatic circulation
c. cardiac arrest
D. None of the above
11
450Coronary artery supplies blood to
A. Mammary glands
B. Rib muscles
( c . ) skin
D. Heart
11
451Nowing animal
38. In which of the following an
is open circulatory system fo
(1) Prawn
(3) Toad
(2) Earthwom
(4) Man
11
452Which aortic arch is absent in a frog?
A ( cdot 1^{s t}, 2 ) and 5 th
B. 3rd and 4 th
c. 3 rd, 4 th and 5 th
D. 5th and 6th
11
453What is the correct sequence of the
following in a heart attack?
1. Narrowing of the inner orifice of the vessel
2. ‘Plaque’ from fibrous tissue and high cholesterol
3. Inadequate supply of blood and
oxygen
4. Clots of blood carried Into the
coronary arteries
A .2,3,1,4
B. 2, 4, 1, 3
( c cdot 1,2,3,4 )
D. 4,2,1,3
11
454Which vessels of the cardiovascular
system (arteries, veins, or capillaries) produce lymph?
11
455The atrio-ventricular valves of the heart
is prevented from turning inside out by tough strands of connective tissue
is called as
A. Tendinous cords
B. Tricuspid
c. Pocket valve
D. Mitral valve
11
456Which statement is incorrect?
A. Mast cells and basophils secrete histamine and heparin.
B. Mast cells are long lived, basophils are short lived.
C. Mast cells are smaller than basophils with a bilobed nucleus.
D. Mast cells are relatively sessile, basophils are mobile.
11
457Heart of rabbit does not have
A. Right auricle
B. sinus venosus
c. Conus arterious
D. Both B and C
11
458Cellular part of lymph contains
A. Only Leukocytes
B. Water
c. Proteins
D. All of the above
11
459One heartbeat in an average man lasts
A . 0.8 second
B. 0.2 second
c. 0.5 second
D. 1 minute
11
460Bicuspid valve is present in the human heart in between which of the following?
A. Right atrium and right ventricle
B. Left atrium and left ventricle
c. Right and left atria
D. Left atrium and systemic aorta
11
461SA node is found in
A. Lungs
B. Brain
c. spleen
D. Heart
11
462From the ECG of a normal human given
above, pick up the correct
interpretation.
A. The complex QRS- is one complete pulse.
B. Peak P- initiation of left atrial contraction only
C. Peak P and peak R together- systolic and diastolic blood pressures.
D. Peak T- initiation of total cardiac cycle.
11
463The blood leaving the tissues becomes richer in
A. Carbon dioxide
B. water
c. Heamoglobin
D. oxygen
11
464Heart of a crocodile is
A. single chambered
B. Two chambered
C. Three chambered
D. Four chambered
E . Multi chambered
11
465Assertion
Histamine is related with allergic and
inflammatory reactions
Reason
Histamine is a vasodilator
A. If both the assertion and the reson are true and the
reason
is correct explanation of the assertion.
B. If both the assertion and the reson are true but the
reason
is not correct explanation of the assertion.
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
11
466Prothrombin required for blood clotting is produced in
A. Stomach
B. Liver
c. spleen
D. Pancreas
11
467Which of the following is the correct pathway for propagation of cardiac impulse?
A. SA node ( rightarrow ) AV node ( rightarrow ) Bundle of His ( rightarrow ) Purkinje fibers
B. AV node ( rightarrow ) Bundle of His ( rightarrow ) SA node ( rightarrow ) Purkinje fibers
c. sa node ( rightarrow ) Purkinje fibers ( rightarrow ) AV node ( rightarrow ) Bundle of His
D. Purkinje fibers ( rightarrow ) AV node ( rightarrow ) SA node ( rightarrow ) Bundle of Hiss
11
468Which of the following vessels contains oxygenated blood?
A. Hepatic veins
B. Pulmonary vein
c. Hypophyseal portal vein
D. Renal vein
11
469Match the following Location
valve
1) Opening of coronary sinus tricuspid valve
2) The base of pulmonary aorta bicuspid valve
3) The opening of inferior vena cava semilunar valve
4) Bet left atrium and left ventricle
d) thebesian valve
5) Bet right atrium and right ventricle
e) eustachian valves
11
470The opening of right auricle into the right ventricle is guarded by
A . Mitral valve
B. Pulmonary semilunar valve
c. Bicuspid valve
D. Tricuspid valve
11
471Choose the correct answer from the
alternatives given. In the pulmonary circuit, the ( _{–} ) hearts
half pumps blood to lungs, then blood flows to the heart.
A. right; oxygen-poor
B. right; oxygen-rich
c. left; oxygen-poor
D. Ieft; oxygen-rich
11
472What is the importance of plasma
proteins?
11
473In the human circulation, the Iymph
A. Transports oxygen to brain
B. Transports ( C O_{2} ) to lungs
C. Returns interstitial fluid back to heart
D. Contains RBCs, leucocyte, and more protein as compared to blood
11
474Which is correct about leucocytes?
A. They are red coloured
B. They can cross capillaries.
c. They are enucleate
D. Decrease in their number causes leukemia
11
475Platelets are formed by ( ldots . . P . . . . . ) of special cells in ( dots . Q )
A. P- – Division, Q – Bone Marrow
B. P- Division, Q – Lymph nodes
c. P- Fragmentation, Q – Bone Marrow
D. P- – Fragmentation, Q – Lymph nodes
11
476Which chambers of human heart carry
deoxygenated blood?
A . Left ventricle and left auricle
B. Right ventricle and right auricle
c. All four chambers of heart
D. No chamber carries deoxygenated blood
11
477Pacemaker of amphibians is located
A. Near inter-auricular septum
B. Inside right atrium
c. Inside right ventricle
D. In sinus venosus
11
478Ampullary accessory hearts are present in
A. cockroach.
B. Frog.
c. Rabbit
D. Earthworm.
11
479Platelets have no nucleus and genetic material.
A . True
B. False
11
480Which one of the following is a
matching pair?
A. Lub-sharp closure of AV valves at the begining of ventricular systole
B. Dup-sudden opening of semilunar valves at the begining of ventricular diastole
C. Pulsation of the radial artery-valves in the blood vessels
D. Initiation of the heart beat-Purkinje fibres
11
481Choose the correct answer from the
alternatives given. The ( _{–} ) produces red blood cells, which transport ( _{–} ) and some
A. liver, oxygen, mineral ions
B. liver, oxygen, carbon dioxide
c. bone marrow; oxygen; hormones
D. bone marrow; oxygen; carbon dioxide
11
482Deoxygenated blood is carried by
I. Pulmonary veins
I. Anterior vena cava
III. Pulmonary arteries
A. I only
B. II only
c. ॥ा only
D. I and II
E. Il and III
11
483Name the enudeate component of the blood cells.11
48415.Match the terms given under column ‘A’ with their functions given under
column ‘B’ and select the answer from
the options given below:
11
485Assertion
Prothrombin is essential for blood
clotting
Reason
Prothrombin is synthesised in the liver
in the presence of ( C a^{++} )
A. Both statements 1 and 2 are correct
B. Statement 1 is correct but statement 2 is incorrect
c. statement 1 is incorrect but statement 2 is correct
D. Both statements 1 and 2 are incorrect
11
486The wall of heart is made up of
A. Epicardium
B. Myocardium
c. Endocardium
D. All of the above
11
487What is WBC, RBC and platelet?11
488Choose the correct answer from the
alternatives given. In a closed circulatory system, blood is completely enclosed within:
A . Heart
B. vessels
c. sinuses
D. coelom
11
489A chemical that prevents blood clotting is most useful in the treatment of
A. Leukemia
B. Anaemia
c. coronary thrombosis
D. Haemophilia
11
490Truncus arteriosus is divided into
pylangium and synangium in a frog, it was first reported by
A. Oliver
B. William Harvey
c. waller
D. Malpighi.
11
491If the heart sound recording and ECG recordings are superimposed then the first heart sound would occur
A. At the P wave
B. Just after the P wave
c. Just before the QRS complex
D. Just after the QRS complex
11
492The fluid present between the blood
capillaries and the cell membrane through which gasses, nutrients, and metabolic wastes are exchanged between the blood and the cell is called
as
A. Lymph
B. Plasma
c. Serum
D. Normal saline
11
493Muscular ridges at inner surface of ventricles are called
A. Chordae tendinae
B. Inter ventricular septum
c. Papillary muscle
D. Trabeculae carnae
11
494Which of the following statements is true for lymph?
A. WBCs + serum
B. Blood – RBCs and some proteins
c. RBCs+WBCs+plasma
D. RBCs+ proteins + platelets
11
495Nature of valves in the heart is
A. Membranous
B. Ligamentous
c. Tendinous
D. None of the above
11
496Number of R.B.C. is more in persons
living at hills because
A. There is less oxygen
B. Air is more purified
c. Heat is required to warm the body
D. None of these
11
497Haemoglobin is formed from an iron-
containing part called and a
protein called
11
498Closed circulatory system is found in
A. Fishes
B. Amphibians
c. Birds
D. All of the above
11
499Combination of haemoglobin with ( C O_{2} )
in lungs can be promoted by
A . Increasing ( C O_{2} ) concentration in blood
B. Increasing ( O_{2} ) concentration in blood
C. Decreasing ( O_{2} ) concentration in blood
D. None of the above
11
500Give the difference between open and
closed system of circulation.
11
501Heart lacks sinus venosus in
A. Fishes
B. Mammals
c. Amphibians
D. Echinoderms
11
502Which of the following cells are involved in the defensive mechanism?
A. Neutrophils
B. Lymphocytes
c. Macrophages
D. All of the above
11
503Which tissue is responsible for the transport of nutrients, respiratory gases, metabolites, hormones and
waste products?
11
504Chief difference between RBCs of
human and frog is?
A. Enucleate RBCs in frog
B. Only human RBCs have haemoglobin
c. Human RBCs have more nuclei
D. Human RBCs are without nuclei
11
505What is the use of platelets? ( (boldsymbol{A} boldsymbol{S} boldsymbol{I}) )11
506The mitral valve is supported by
A. Bundle of Hiss
B. Ductus Arteriosus
c. Foramen ovale
D. chordae tendineae
11
507Define open and closed type of circulatory systems.11
508How many nodes are found in heart of
human?
A. one
B. Two
c. many
D. None of the above
11
509The chief function of lymph nodes in mammalian body is to
A. Produce RBCs.
B. Collect and destroy pathogens.
c. Produce a hormone.
D. Destroy the old and worn out red blood cells.
11
510Give reasons for the following
Valves are present in veins but not in
arteries
11
511Which of the following organism has the highest heart rate?
A. Elephant
B. Whale
c. мап
D. Mouse
11
512When body tissues are injured resulting in the loss of blood, the process of blood clott begins and the blood platelets
release
A. Prothrombin
B. Thrombin
c. Fibrinogen
D. Thromboplastin
11
513Bundle of His’ is a network of
A. Muscle fibres distributed throughout the heart walls
B. Muscle fibres found only in the ventricle wall
C. Nerve fibres distributed in ventricles
D. Nerve fibres found throughout the heart
11
514Choose the correct answer from the
alternatives given. The cells constituting walls of blood capillaries are known as:
A. endothelial cells
B. cords
c. oxyntic cells
D. plasma cells
11
515Short / Long type answer type questions. Why does the lymph contain much less proteins than the plasma?11
516Draw a sectional view of the human
heart and label the aorta, right ventricle,
and veins.
11
517The number of chambers in the heart of
fish are
A. one
B. Two
c. Three
D. Four
11
518Given is a diagram of a human blood
smear.

Study the diagram and answer the question that follow. Mention two structural differences
between the parts ( ^{prime} 1^{prime} ) and ( ^{prime} 2^{prime} )

11
519Which of the following brings
oxygenated blood into left atrium in
heart?
A. Superior venacava
B. Inferior venacava
c. Pulmonary artery
D. Pulmonary vein
11
520What is Iymph? Write its function.11
521The heart is covered by a membrane called
A. Epidermis
B. Dermis
c. Epicardium
D. Pericardium
11
522A patient was administered a chemical agent called Guanfacine hydrochloride after the patient showed the symptoms like shortness of breath and headache.
Guantacme hydrochloride is a known
stimulant of central ( alpha-2 ) -adrenergic
receptors of the medulla regulating the sympathetic nervous system. The patient in this case must be suffering from
A. Hypertension
B. Hyperslimulation
c. Hyperpolarization
D. None of the above
11
523State the following statement true or false:

Each cardiac cycle lasts for 0.15 second
A. True
B. False

11
524How is sinus venosus formed in
Amphibia?
11
525During ventricular diastole
A. The auricles relax
B. The heart contracts
C. The heart pumps blood
D. The ventricles relax
11
526Answer the question based on following
ECG.

Which wave represents the ventricular
relaxation?

11
527Platelets are a source of
A. Fibrinogen
B. Calcium
c. Thromboplastin
D. Haemoglobin
11
528Pulmonary veins are those which
A. Carry impure blood from lungs to heart
B. Carrying pure blood from lungs to heart
C. Carry impure blood from heart to lungs
D. Carry pure blood from heart to lungs
11
529Haematocrit is the ratio of
A. WBC to plasma
B. RBCs to plasma
C . Platelets to plasma
D. Total blood cells to plasma
11
530Which one of the following is incorrect for ‘atherosclerosis’?
A. Constriction of arterial lumen reduces the blood flow
B. Loss of dilation ability of the arterial wall and its rupture
C. Cholesterol deposition at the inner wall of the artery
D. None of these
11
531Hypertension occurs due to
A. Smoking
B. obesity
c. Stress
D. All of the above
11
532Assertion
WBCs accumulate at the site of wounds
by diapedesis.
Reason
It is the squeezing of leucocytes from
the endothelium.
A. If both the assertion and the reason are true and the
reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
11
533The red colour to the red blood cells is
due to the presence of
A. Immunoglobin
B. Leghemoglobin
c. Haemoglobin
D. Hemolymph
11
534What are the main function of
connective tissue?
11
535The heart of a crocodile consists of
A. A single auricle and two ventricles
B. Two auricles and a single ventricle
c. Two auricles and two ventricles
D. A single auricle and a single ventricle
11
53643. Which one of following is called
the primary pace maker of the
heart?
(1) A.V. Node
(2) Chordae tendinae
(3) A. V. Septum
(4) S. A. Node
11
537Match the names with the tissues
shown. Choose the answer, which gives
the correct combination of the
alphabets.
( begin{array}{ll}text { Cells } & text { Tissues } \ text { A. Erythocytes } & text { p. Bone } \ text { B. Chondrocytes } & text { q. Neuron } \ text { c. osteocytes } & text { r. Cartilage } \ text { D. Schwann cells } & text { s. Blood } \ & text { t. Adipose tissue }end{array} )
A. ( A-s, B-r, C-t, D-p )
B. A-s, B-r, C- p, D- q
( c cdot A-s, B-q, C-p, D-t )
D. ( A-s, B-p, C-r, D-q )
11
538Short / Long type answer type questions
What is the path of blood flow from the
heart to the lungs, back to the heart, from the heart to systemic circulation, and back to the heart again?
11
539Describe the internal structure of
human heart.
11
540Plasma has water to the extent of
A. ( 80 % )
в. ( 60 % )
c. ( 70 % )
D. ( 90 % ) or more
11
541What will happen if there are no platelets in the blood?11
542The valves of the heart are attached to
papillary muscles by
A. Columnae carneae
B. Chordae tendineae
c. Tendon
D. Pectinate muscles
11
543Explain how the separation of oxygenated and deoxygenated blood is useful in humans.11
544The English physician, William Harvey discovered the circulation of blood.
A. A.D. 1578 -1656
B. A.D. 1578 -1658
c. A.D. 1578 -1657
D. A.D. 1578 -1660
11
545In ECG, P-R interval corresponds to
A. Time delay in A-V node
B. S-A nodal conduction time
C. Increased ventricular contraction
D. Time interval between onset of ventricular contraction
11
546The ratio of RBC to WBC in man is
A. 6:
B. 60: 1
c. 600: 1
D. 6000:
11
547The small oval depression found on
inter auricular septum in adult human
is termed as
A. Foramen ovale
B. Fossa ovalis
c. Foramen of monro
D. Foramen of magnum
11
548An artifical pacemaker is implanted subcutaneously and connected to the heart in patients
A. Having 90% blockage of the three main coronary arteries
B. Having a very high blood pressure
c. with i rregularity in the heart rhythm
D. Suffering from arteriosclerosis
11

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