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 61. Cardiac output signifies

A. The amount of blood entering the heart

per unit time

B. The amount of blood entering the lung

per unit time

C. The amount of blood leaving the heart

per unit time

D. The amount of blood leaving the lung

per unit time

Answer: C

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62. Heartbeat in vertebrates is

A. Neurogenic

B. Myogenic

C. Both

D. None

Answer: B

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63. Single circuit heart occurs in

A. Fishes

B. frog

C. Reptiles

D. Man

Answer: A

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64. Which of these has a closed type of

circulatory system

A. Cockroach

B. Fish

C. Mollusca

D. Scorpion

Answer: B

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65. The study of blood circulation system is

called

A. Angiology

B. Cardiology

C. Hematology

D. Osteology

Answer: A

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66. Father of angiology is

A. William harvey

B. Batson

C. Marsello malpighi

D. Landsteiner

Answer: A

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67. Compared to blood our lymph has

A. More RBCs and less WBCs

B. No plasma

C. Plasma without proteins

D. More WBSc and no RBCs

Answer: D

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68. Globulins contained in human blood plasma are primarily involved in

A. Clotting of blood

B. Defence mechanisms of body

C. Osmotic balance of body fluids

D. Oxygen transport in the blood

Answer: B

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69. Serum differs from blood in

A. Lacking clotting factors

B. Lacking antibodies

C. Lacking globulins

D. Lacking albumins

Answer: A

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70. Name the blood cells, whose reduction in

number can cause clotting disorder, leading to excessive loss of blood from the body.

A. Neutrophils

B. Thrombocytes

C. Erthrocytes

D. Leucocytes

Answer: B