121. Fully digested food reaches to liver by
A. Hepatic portal vein
B. Hepatic artery
C. Hepatic vein
D. All the above
Answer: A
_______________________
122. Impulse of heartbeat originates from
A. SA node
B. AV node
C. Vagus nerve
D. Cardiac nerve
Answer: A
_______________________
123. Which of the following statement is true
for lymph ?
A. WBC and serum
B. All components of except RBCs, platets,and some protelets
C. RBCs, WBCs, and plasma
D. RBCs, proteins and platelets
Answer: B
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124. Heart block is the failure of stimulation to the ventricles following atrial contraction. Which one of the following heart structures could not be involved in heart block?
A. Atrioventricular node
B. Bundle of his fibers
C. Purkinje fibers
D. sinoatrial node
Answer: D
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125. Bundle of His is a network of
A. Muscle fibers distributed troughout the
heart walls
B. Muscle fibers found only in the ventricle
wall
C. Nerve fibers distributed in ventricle
D. Nerve fibers found throughout the heart
Answer: B
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126. Blood vessel carrying least CO2 is
A. Pulmonary vein
B. Pulmonary artery
C. Vena cava
D. Hepatic vein
Answer: A
_______________________
127. Carotid artery supplies oxygenated blood
to
A. Lungs
B. Intestine
C. Brain
D. None of these
Answer: C
_______________________
128. Which of the following is a cell fragment ?
A. Blood platelets
B. Bone cells
C. Lymphocytes
D. Leucocytes
Answer: A
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129. A portal system is a system in which
A. A vein starts from an organ and ends up in heart.
B. An artery breaks up in an organ and restarts by the union of its capillaries.
C. The blood from the gut is brought into the kindley before it is poured into posterior vena cava.
D. A vein breaks up in an organ into capillaries and re-starts by their union as a new nein in the same organ.
Answer: D
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130. Spleen is
A. Hematopoeitic
B. Lymphoid
C. Reproductive
D. Celluloid
Answer: B
_____________________________
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