Physiology - Medical MCQ

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163 Physiology

The hormone having the maximum effect on granulation wound healing is:

AThyroxine

BCortisone

CParathormone

DEpinephrine

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164 Physiology

To check objective pain response, which is best used method

AFacial pain scale

BKnee jerk reflex

CH - Reflex

DR III Reflex

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165 Physiology

Skeletal muscles

AContracts when calcium is taken up by sarcoplasmic reticulum

BContracts when actin and myosin filaments shorten

CContraction is initiated by calcium binding to troponin

DContraction is initiated by calcium binding to tropomyosin

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166 Physiology

Calcium ions triggers muscle contraction by binding to:

AActin

BMyosin

CTroponin

DTropomyosin

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167 Physiology

Name the structure marked with arrow

AMitochondria

BGolgi bodies

CSecretory vesicles

DRough Endoplasmic reticulum

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168 Physiology

Respiratory rhythm generation center is located at:

ADorsal respiratory group

BPre-Botzinger complex

CVentral respiratory neurons

DPneumotaxic center

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169 Physiology

Axonal transport is:

AAntegrade

BRetrograde

CAntegrade and retrograde

DNone

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170 Physiology

Which of the following is not true about glomerular capillaries’)

AThe oncotic pressure of the fluid leaving the capillaries is less than that of fluid entering it

BGlucose concentration in the capillaries is the same as that in glomerular filtrate

CConstriction of afferent aeriole decreases the blood flow to the glomerulas

DHematocrit of the fluid leaving the capillaries is less than that of the fluid entering it

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171 Physiology

Which of the following is not true for myelinated nerve fibers:

AImpulse through myelinated fibers is slower than non-myelinated fibers

BMembrane currents are generated at nodes of Ranvier

CSaltatory conduction of impulses is seen

DLocal anesthesia is effective only when the nerve is not covered by myelin sheath

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Physiology MCQ Questions — Page 19