Physiology MCQs

Page No. 10

In CNS, the myelination is carried out by _____________?


aSchwann cells


bAstrocytes


cOligodendrocytes


dMicroglia


View Answer Oligodendrocytes

Chromatolysis is______________?


aDisintegrating of Nucleus


bDisintegration of golgi apparatus


cDisappearance of nissel granules


dDecrease in cell size



Body temperature is maintained by ______________?


aPostural position


bCovering of the body


cPeripheral vasoconstriction


dall of the above


View Answer all of the above

which receptor is responsible for monitoring the rate of muscle stretch ?


aNuclear bag intrafusal fibers


bNuclear chain


cGolgi tendon organ


dPacinium corpuscles



First change to occur after nerve cut is_______________?


aSchwan cell mitosis


bAxonal sprouting


cMyelin sheath degeneration


dNuclear disintegration



Which sensation is not lost on the side of lesion in brown sequard syndrome ?


aTouch


bVibration sense


cMuscle sense


dTemperature


View Answer Temperature

In cerebellar disease, all the statements are correct except______________?


aThe romberg’s sign is positive


bThere is adiodokokinesia


cThere is pendular knee jerk


dThere is involuntary termor



Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in_______________?


aMotor areas of cerebral cortex


bAnterior hypothalamus


cPathways for recurrent collateral inhibition in the spinal cord


dBasal ganglia complex


View Answer Basal ganglia complex

Function of GABA on CNS is_______________?


aNeuronal inhibition


bNeuronal activation


cGlial cell inhibition


dGlial cell activation


View Answer Neuronal inhibition

Phagocytosis in the CNS is done by _______________?


aAstrocytes


bSchwann cells


cMicroglia


dOligocytes


View Answer Microglia

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