Physiology MCQs

Page No. 7

Wallenberg degeneration is seen in______________?


aProximal cut end of nerve with cell body

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bDistal cut end of nerve without cell body

✓


cBoth the free ends of the cut nerve

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dAll are true

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Swallowing center is situated in_______________?


aMIdbrain

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bPons

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cMedulla

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dCerebellum

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View Answer Medulla

Satiety center in hypothalamus is regulated by ________________?


aGastric dilatation

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bBlood glucose levels

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cBlood insulin levels

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dAll of the above

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View Answer Blood glucose levels

Gag reflex is mediated by _______ cranial nerve ?


aVII

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bIX

✓


cX

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dXII

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View Answer IX

Sympathetic stimulation causes ______________?


aArteriolar constriction

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bCiliary muscle contraction

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cSweat secretion

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dAll of the above

✓


View Answer All of the above

Resting membrane potential of nerve fiber is_______________?


a-70 mv

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b-90 mv

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c-55 mv

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d+ 35 mv

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View Answer -70 mv

Pacinian corpuscles are major receptor for______________?


aPressure

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bPain

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cTouch

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dTemperature

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View Answer Pressure

Intensity of sound is measured in________________?


aDiopters

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bDaltons

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cDecibels

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dPounds

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View Answer Decibels

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


aParasympathetic stimulation

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bSympathetic stimulation

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cCNS stimulation

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dsensory stimulation

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function of Merkel’s cells is_______________?


aTactile sensation

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bMelanophage

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cChemoreceptor

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dProprioception

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View Answer Tactile sensation

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