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.Management Sciences
Category: Physiology Mcqs
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
Intracellular and interstitial body fluids have similar______________?
A. Total osmotic pressure
B. Colloid osmotic pressure
C. Chloride ion concentrations
D. Potassium ion concentrations
Cortisol______________?
A. Secretion increases following injury
B. Favours protein synthesis
C. Enhances antigen – antibody reactions
D. Tends to lower blood pressure
Which of the following causes lysis of clot______________?
A. Fibrin
B. Plasmin
C. Hyaluronidase
D. Coagulase
Red colour blindness is called________________?
A. Deuteranopia
B. Protanopia
C. Protanomaly
D. Deuteranomaly
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