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.Management Sciences
Category: Physiology Mcqs
Coronary blood flow is usually predominantly controlled by_____________?
A. Auto regulation
B. Hormones
C. Parasympathetic impulses
D. Sympathetic impulse
In children, hypothyroidism causes_____________?
A. Acromegaly
B. Cretinism
C. Gigantism
D. Myxodedema
Non true regarding Na/K pump is______________?
A. Pumps Na against a gradient
B. 5 Na+ exchanged for 2K+
C. Increase in intracellular Na
D. Hypocalcemia inhibits the pump
Tendon (or) ligament is attached to a bone through ____________?
A. Tomes fibers
B. Interstitial fibers
C. Sharpey’s fibers
D. Haversian fibers
What is common between systemic and pulmonary circulation is_____________?
A. Volume of the circulation per minute
B. Peripheral vascular resistance
C. Pulse Pressure
D. Total Capacity
Carbon monoxide poisoning causes_______________?
A. Hypoxic hypoxia
B. Oxygen dissociation curve shifts to left
C. Cyanosis
D. Diffusion capacity of lungs decreases
Amount of glucose absorbed in proximal convoluted tubule_______________?
A. 100%
B. 0%
C. 60%
D. 50%
The dicrotic notch on the aortic pressure curve is caused by_________________?
A. Closure of the pulmonary valve
B. Rapid filling of the left ventricle
C. Closure of the aortic valve
D. Contraction of the atria
In osmotic diuresis there is_______________?
A. Increase in renal blood flow
B. Increase in glomerular filtration rate
C. Increase in NaCl concentration in urine
D. Decrease in reabsorption of Na Cl
The hormone whose deficiency causes diabetes insipidus is released from which nucleus of pituitary ________________?
A. Supraoptic
B. Pre optic
C. Suprachiasmatic
D. Paraventricular
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