Physiology MCQs

Page No. 7

Wallenberg degeneration is seen in______________?


aProximal cut end of nerve with cell body


bDistal cut end of nerve without cell body


cBoth the free ends of the cut nerve


dAll are true



Swallowing center is situated in_______________?


aMIdbrain


bPons


cMedulla


dCerebellum


View Answer Medulla

Satiety center in hypothalamus is regulated by ________________?


aGastric dilatation


bBlood glucose levels


cBlood insulin levels


dAll of the above


View Answer Blood glucose levels

Gag reflex is mediated by _______ cranial nerve ?


aVII


bIX


cX


dXII


View Answer IX

Sympathetic stimulation causes ______________?


aArteriolar constriction


bCiliary muscle contraction


cSweat secretion


dAll of the above


View Answer All of the above

Resting membrane potential of nerve fiber is_______________?


a-70 mv


b-90 mv


c-55 mv


d+ 35 mv


View Answer -70 mv

Pacinian corpuscles are major receptor for______________?


aPressure


bPain


cTouch


dTemperature


View Answer Pressure

Intensity of sound is measured in________________?


aDiopters


bDaltons


cDecibels


dPounds


View Answer Decibels

Copious flow of watery saliva is secreted in response to _____________?


aParasympathetic stimulation


bSympathetic stimulation


cCNS stimulation


dsensory stimulation



function of Merkel’s cells is_______________?


aTactile sensation


bMelanophage


cChemoreceptor


dProprioception


View Answer Tactile sensation

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