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Chapter:

140+ Body fluids and Circulation Solved MCQs

in Biology

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .

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Chapter: Body fluids and Circulation
51.

Which has the thickest walls ?

A. Left ventricle
B. Right ventricle
C. Left auricle
D. Right auricle
Answer» A. Left ventricle
discuss
52.

Prothrombin required for blood clotting is produced in

A. Stomach
B. Liver
C. Spleen
D. Pancreas
Answer» B. Liver
discuss
53.

Contraction of right ventricle pumps blood into

A. Dorsal aorta
B. Pulmonary artery
C. Pulmonary vein
D. Coronary artery
Answer» B. Pulmonary artery
discuss
54.

Dub sound is produced during closure of

A. Semilunar valves
B. Bicuspid valve
C. Tricuspid valve
D. Both a & b
Answer» A. Semilunar valves
discuss
55.

In circulatory system, valves occur in

A. Heart and blood vessels of both vertebrates and invertebrates
B. Both vertebrate and invertebrate hearts
C. Vertebrate heart only
D. Invertebrate heart only
Answer» A. Heart and blood vessels of both vertebrates and invertebrates
discuss
56.

In blood

A. WBCs are more than RBCs
B. RBCs are more than WBCs
C. RBCs are less than platelets
D. Platelets are less than WBCs
Answer» B. RBCs are more than WBCs
discuss
57.

Pericardial fluid is secreted by

A. Myocardium
B. Parietal peritoneum
C. Visceral peritoneum
D. None of the above
Answer» C. Visceral peritoneum
discuss
58.

Pulse pressure is

A. Diastolic pressure
B. Systolic pressure
C. Difference between b and a
D. Pressure in great veins
Answer» C. Difference between b and a
discuss
59.

Which one are granulocytes

A. Neutrophils, basophils, lymphocytes
B. Eosinophils, basophils, monocytes
C. Basophils, monocytes, lymphocytes
D. Neutrophils, eosinophils, basophils
Answer» D. Neutrophils, eosinophils, basophils
discuss
60.

Lymph consists of

A. RBCs, WBCs and plasma
B. RBCs, proteins and platelets
C. Alll components of blood except RBCs and some proteins
D. WBCs and serum
Answer» D. WBCs and serum
discuss
61.

Find the matching pair :

A. Lubb- sharp closure of AV valves at beginning of ventricular systole
B. Dub - sudden opening of semilunar valves at the beginning of ventricular systole
C. Pulsation of radial artery valves in blood vessels
D. Initiation of heart beat - Purkinje fibers
Answer» C. Pulsation of radial artery valves in blood vessels
discuss
62.

Valves which allow blood from ventricles into arteries and not in opposite direction are

A. Aortic valve and mitral valve
B. AV valves and semilunar valves
C. Bicuspid and tricuspid valves
D. Semilunar valves and tricuspid valve
Answer» B. AV valves and semilunar valves
discuss
63.

Bundle of His is a network of

A. Muscle fibres distributed throughout heart walls
B. Muscle fibres found only in ventricle wall
C. Nerve fibres distributed in ventricles
D. Nerve fibres found throughout the heart
Answer» B. Muscle fibres found only in ventricle wall
discuss
64.

Artificial pacemaker is usually implanted to correct the defect in

A. AV node
B. SA node
C. Purkinje fibers
D. Mitral valve
Answer» B. SA node
discuss
65.

Pulmonary vein carries oxygenated blood from

A. Heart to its walls
B. Heart to lungs
C. Lungs to heart
D. Heart to all body parts
Answer» C. Lungs to heart
discuss
66.

The sequence of cardiac cycle is

A. Atrial systole - ventricular systole - joint diastole
B. Atrial diastole - Atrial systole - ventricular diastole
C. Atrial systole - ventricular diastole - ventricular systole
D. ventricular diastole - ventricular systole - Atrial systole
Answer» A. Atrial systole - ventricular systole - joint diastole
discuss
67.

The blood returning to the heart from lungs via pulmonary vein has more

A. RBC per ml of blood
B. Haemoglobin per ml of blood
C. Oxygen per ml of blood
D. Nutrient per ml of blood
Answer» C. Oxygen per ml of blood
discuss
68.

Systemic heart refers to

A. The two ventricles together in humans
B. The heart that contracts under stimulation from nervous system
C. Left auricle and left ventricle in higher ventebrates
D. Entire heart in lower vertebrates
Answer» C. Left auricle and left ventricle in higher ventebrates
discuss
69.

In the heart of mammals the bicuspid valve is situated between

A. Left auricle and left ventricle
B. Post caval and right caval
C. Right auricle and left auricle
D. Right ventricle and pulmonary aorta
Answer» B. Post caval and right caval
discuss
70.

The auriculo ventricular node in human heart was discovered by

A. Hiss
B. Lewis
C. Ringer
D. William Harvey
Answer» B. Lewis
discuss
71.

The beating of heart of man is heard on the left side because

A. The left ventricle is toward 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
Answer» D. The aorta is on the left side
discuss
72.

Purkinje’s fibres are special types of

A. Muscle fibres located in heart
B. Nerve fibres located in cerebrum
C. Connective tissue fibers joining one bone to another bone
D. Sensory fibers extending from retina into optic nerve
Answer» A. Muscle fibres located in heart
discuss
73.

The pericardium and the pericardial fluid help in

A. Protecting the heart from friction, shocks and keeps it moist
B. Pumping the blood
C. Receiving the blood from various parts of the body
D. None of the above
Answer» A. Protecting the heart from friction, shocks and keeps it moist
discuss
74.

For reaching left side of heart, blood must pass through

A. Liver
B. Kidneys
C. Lungs
D. Brain
Answer» C. Lungs
discuss
75.

The posterior venacava

A. Divides into the hepataic portal veins
B. Opens into the left auricle
C. Commences at the kidney
D. Begins at the hind end of abdomen
Answer» D. Begins at the hind end of abdomen
discuss
76.

‘Heart of heart’ is

A. SA - Node
B. AV - Node
C. Bundle of His
D. Purkinje fibres
Answer» A. SA - Node
discuss
77.

An oval depression called fossa ovalis is seen on

A. Inter atrial septum
B. Inter ventricular septum
C. Right auriculo - ventricular septum
D. Left auriculo - ventricular septum
Answer» A. Inter atrial septum
discuss
78.

Which of the following statements is related to starling’s law of heart

A. Greatar the stroke volume greater is the heart rate
B. Greater the intial length of the cardiac muscle fibre, more the force of contraction of heart
C. Greater the minute volume, greater is the heart rate
D. Lesser the length of cardiac musle fibre greater is the force of contraction of heart
Answer» B. Greater the intial length of the cardiac muscle fibre, more the force of contraction of heart
discuss
79.

An artificial pace - maker 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 irregularity in the heart rhythm
D. Suffering from arteriosclerosis
Answer» C. With irregularity in the heart rhythm
discuss
80.

The pace - setter in the heart is called

A. Purkinje fibres
B. SA - Node
C. Papillary muscle
D. AV - Node
Answer» D. AV - Node
discuss
81.

Cardiac output is determined by

A. Heart rate
B. Stroke volume
C. Blood flow
D. Both a & b
Answer» D. Both a & b
discuss
82.

Which of the following blood vessles has wide lumen

A. Renal vein
B. Post venacava
C. Renal artery
D. Right pulmonary artery
Answer» B. Post venacava
discuss
83.

In haemodialysis, patient’s blood is pumped from one of the arteries and mixing with X . Blood is purified and it is then pumped into vein of the patient after adding Y to it. X Y X Y

A. Heparin , Anti heparin
B. Prothrombin, Thrombin
C. antiheparin , Heparin
D. Prothrombin, Heparin
Answer» A. Heparin , Anti heparin
discuss
84.

, 2000, DPMT-86,MANIPAL-95)

A. Left atrium and left ventricle
B. Left atrium and Right ventricle
C. Right atrium and Left ventricle
D. Right atrium and Right ventricle
Answer» A. Left atrium and left ventricle
discuss
85.

Which one of the following vein breaks up into capillaries

A. Renal vein
B. Hepatic vein
C. Pelvic vein
D. Pulmonary vein
Answer» B. Hepatic vein
discuss
86.

Serotonin in the blood

A. Relaxes blood vessels
B. Prevents clotting of the blood
C. Helps in clotting of blood
D. Constricts blood vessels
Answer» D. Constricts blood vessels
discuss
87.

The artery can be distinguished from the vein in having

A. Thicker walls
B. More blood cells
C. More plasma
D. Larger cavity
Answer» A. Thicker walls
discuss
88.

The pulse beat is measured by the

A. Artery
B. Capillary
C. Vein
D. None
Answer» A. Artery
discuss
89.

Carotid artery carries

A. Impure blood from brain
B. Oxygenated blood to anterior region of body or to brain
C. Impure blood to kidney
D. Oxygenated blood to heart
Answer» B. Oxygenated blood to anterior region of body or to brain
discuss
90.

Blood vessels carrying blood from lungs to heart

A. Pulmonary artery
B. Pulmonary vein
C. Carotid artery
D. Coronary artery
Answer» B. Pulmonary vein
discuss
91.

The diaphragm is supplied blood by

A. Cardiac artery
B. Phrenic artery
C. Lingual artery
D. Lumber artery
Answer» B. Phrenic artery
discuss
92.

Iliac artery carries blood to the

A. Lungs
B. Ileum
C. Hind limb
D. Brain
Answer» C. Hind limb
discuss
93.

The structure of which of the following consist of a layer of single cell thickness

A. Blood capillary
B. Artery
C. Venule
D. Arteriole
Answer» A. Blood capillary
discuss
94.

Make correct pairs.
Column I Column II Column III
P. Basophils T. 1 To 40 % i. Kill micro organism
Q. Lymphocytes U. 40 to 70 % ii. Active phaagoacytes
R. Neutrophils V. 20 to 45 % iii. Allergens]
S. Acidophils W. 0 to 1 % iv. Immunity

A. (P-W-ii), (Q-V-iv), (R-U-ii),(S-T-i)
B. (P-T-ii),(Q-U-iv),(R-V-iii), (S-W-i)
C. (P-W-ii),(Q-V-iii),(R-T-i),(S-U-iv)
D. (P-V-i),(Q-U-iii),(R-W-iv),(S-T-ii)
Answer» A. (P-W-ii), (Q-V-iv), (R-U-ii),(S-T-i)
discuss
95.

Make correct pairs :
Column I Column II
P. water i. Immunity
Q. Fibrogen ii. Solvent of substance
R. Albumin iii. Blood clotting
S. Globulin iv. Regulation of osmosis
P Q R S P Q R S

A. ii iii iv i
B. i iv iii ii
C. ii iii i iv
D. iii ii iv i
Answer» A. ii iii iv i
discuss
96.

Make the correct pairs.
Column I Column II
Factor Identity
P. IX i. Proaccelerin
Q. XII ii. Fibrinogen
R. V iii. Chrimas factor
S. I iv. Hagman factor
P Q R S P Q R S

A. iv ii i iii
B. iii i ii iv
C. ii iv iii i
D. iii iv i ii
Answer» D. iii iv i ii
discuss
97.

Make the correct pairs.
Column I Column II
P. Tricuspid valve i. Right ventricle - pulmonary trunk
Q. Mitral valve ii. Left ventricle - arota
R. atrial - semilunar valve iii. Right atrium - right ventricle
S. pulmonary - semilunar valve iv. Left atrium - left ventricle
P Q R S P Q R S

A. iii iv i ii
B. iv iii i ii
C. iii iv ii i
D. iv iii ii i
Answer» C. iii iv ii i
discuss
98.

Make the correct pairs.
Column I Time Column II PROCESS
P. 0.40 Sec i. Blood of atrium flows in to ventricle
Q. 0.10 Sec ii. Blood of ventricle flows into truncusarterious
R. 0.30 Sec iii. Phase of atrium and ventricle systole
S. 0.80 Sec iv. Total time of one cardiac cycle
P Q R S P Q R S

A. iii i iv ii
B. iii i ii iv
C. iii ii i iv
D. i iii ii iv
Answer» B. iii i ii iv
discuss
99.

According to statements find the correct option :
1. The composition of lymph is very much like that of the blood.
2. Lymph is resposible for immunity.
3. Lymphocytes added when lymph passes through small capillaries
4. Lymph is contain less fibrinogen than blood plasma

A. FTFT
B. TTFT
C. TTTT
D. TTTF
Answer» A. FTFT
discuss
100.

According to statements find the correct option :
1. Blood connects every cells, tissue and organs of body.
2. Blood is known as connective tissue proper.
3. Blood plasma constituted about 45 % of blood.
4. Blood is light yellow coloured and slightly viscous extra cellular fluid.

A. TFTT
B. TTTT
C. TFFT
D. TTFF
Answer» C. TFFT
discuss

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