111. The universal recipient belongs to blood group
(a) A
(b) B
(c) AB
(d) O
Ans: (c)
112. Rh+ blood is due to genes which are
(a) dominant
(b) recessive
(c) codominant
(d) neutral
Ans: (a)
113. The grouping of blood is based on substances called
(a) antibodies
(b) antigens
(c) antitoxin
(d) enzymes
Ans: (b)
114. Compared to the veins, the walls of arteries are
(a) thicker
(b) thinner
(c) similar
(d) very much thinner
Ans: (a)
115. Valves are present inside
(a) arteries
(b) capillaries
(c) veins
(d) aorta
Ans: (c)
116. Vessels proceeding to the heart are
(a) veins
(b) arteries
(c) capillaries
(d) lymph ducts
Ans: (a)
117. Vessels leaving the heart are
(a) veins
(b) arteries
(c) capillaries
(d) lymph ducts
Ans: (b)
118. Pulse rate is measured in the wrist by observing the jerks of blood In the
(a) veins
(b) capillaries
(c) arteries
(d) nerves
Ans: (c)
119. Blood clot Inside blood vessels is prevented by
(a) heparin
(b) fibrinogen
(c) thrombin
(d) prothrombin
Ans: (a)
120. In one minute normally the heart beats
(a) 60 times
(b) 80 times
(c) 100 times
(d) 72 times
Ans: (d)
121. The normal systolic blood pressure is
479