Physiology MCQs

Page No. 42

Blood coagulation is impaired in___________?


aTetany


bHyperparathyrodism


cRickets


dNone


View Answer Tetany

Osteoclasts are inhibited / modified and regulated by____________?


aParathyroid hormone


bCalcitonin


c1,25 dihydroxycholecalciferols


dTumor necrosis factor


View Answer Calcitonin

All of the following hormones have cell surface receptors except_____________?


aAdrenalin


bGrowth Hormone


cInsulin


dThyroxine


View Answer Thyroxine

following are the features of cretinism, except_____________?


aPot- belly


bIdiotic look


cNormal intelligence


dStunted growth


View Answer Normal intelligence

Paneth cells secrete which of the following ?


aAntibacterial substance


bLipase


cMaltase


dSecretin



The effect which is seen due to decrease in serum calcium concentration is_______________?


aRelaxation of muscle


bExcitability of the muscle


cIncrease the renal absorption


dDepression of Nervous system



Tetany is characterized by ________________?


aHypotonicity of muscles


bHypertonicity of muscles


cIncreased serum calcium concentration


dNone of the above



The most significant immediate result of lowered serum calcium is_______________?


aWeakened heart action


bDecalcification of bones


cDecalcification of teeth


dHyperirritability of nerves and muscles



Hormone responsible for milk ejection______________?


aOxytocin


bEstrogen


cProgesterone


dProlactin


View Answer Oxytocin

Aldosterone secretion is increased when there is a fall in____________?


aPlasma K+


bPlasma Na+


cpH of the plasma


dAngiotensin II level


View Answer Plasma Na+

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