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.Management Sciences
Category: Physiology Mcqs
Afferent component of corneal reflex is mediated by ________________?
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A. Vagus nerve
B. Facial nerve
C. Trigeminal nerve
D. Glossopharyngeal nerve
Which of the following clotting factor is involved only in extrinsic pathway ?
A. IX
B. X
C. II
D. VII
Surfactant is secreted by_____________?
A. Pnemocyte I
B. Pnemocyte II
C. Goblet cells
D. Pulmonary vessels
First heart sound occurs during the period of________________?
A. Isotonic relaxation
B. Isovolumetric relaxation
C. Isovolumetric contraction
D. Isotonic contraction
The hyperosmolarity of the renal medulla is due to increased content of_____________?
A. K+
B. Na+
C. Glucose
D. NH4+
Which of the following hormones increase the sensitivity of heart to epinephrine________________?
A. Parathyroid
B. Insulin
C. Thyroid
D. Glucagon
The most important function of hydrochloric acid in the stomach is_______________?
A. Destruction of bacteria
B. Neutralization of chyme
C. Activation of pepsinogen
D. Stimulation of pancreatic secretion
Delta waves of Electroencephalogram have frequency of ______________?
A. More than 14 cycles per second
B. Between 8 and 13 cycles per second
C. Less than 3.5 cycles per second
D. Between 4 and 7 cycles per second
Which of the following results due to excessive parathormone secretion_______________?
A. Increased excretion of phosphates
B. Increased serum calcium
C. Decrease excretion of calcium
D. Increase excretion of calcium
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