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.Management Sciences
Category: Physiology Mcqs
The biological anticoagulant is________________?
A. EDTA
B. Sodium citrate
C. Hirundine
D. Double oxalate mixture
Renin is released from the kidney in all except________________?
A. Sympathetic stimulation
B. Decrease in the concentration of sodium ions in the proximal tubules
C. Decrease in the concentration of sodium ions in the distal tubules
D. Fall in the BP
Tubuloglomerular feedback occurs in______________?
A. ADH secretion in collecting duct
B. Constant solute load on distal tubule
C. Macula densa
D. Balance between ascending and descending loop of henle
Cardiac output is not affected by __________________?
A. Heart rate
B. Peripheral resistance
C. Systolic blood pressure
D. Venous return
Small intestinal peristalsis is controlled by _______________?
A. Myentric plexus
B. Meissners plexus
C. Vagus nerve
D. Parasympathetic
Which of the following is important in renal excretion of hydrogen ion ?
A. Combining H+ with Cl- to form Hcl
B. Combining H+ and HCO3- via enzyme carbonic anhydrase
C. Trapping H+ by acetate
D. Trapping H+ by NH3+
Oxygen dissociation curve shifts to the right by all of the following except_____________?
A. Rise in temperature
B. Rise in carbon dioxide tension
C. Rise in pH
D. Rise in H+ ion
Glucagon is secreted by ____________?
A. Alpha cells of pancreas
B. Beta cells of pancreas
C. Gamma cells of pancreas
D. None of the above
The temperature of body is controlled by_______________?
A. Medulla
B. Precentral gyrus
C. Diencephalon
D. Hypothalamus
The most important action of Secretin is to_____________?
A. neutralize the acid from the stomach
B. increase secretion of bicarbonates by pancreas
C. decrease gastric secretion
D. Cause contraction of pyloric sphincter
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