Physiology MCQs

Page No. 10

In CNS, the myelination is carried out by _____________?


aSchwann cells

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bAstrocytes

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cOligodendrocytes

✓


dMicroglia

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View Answer Oligodendrocytes

Chromatolysis is______________?


aDisintegrating of Nucleus

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bDisintegration of golgi apparatus

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cDisappearance of nissel granules

✓


dDecrease in cell size

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Body temperature is maintained by ______________?


aPostural position

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bCovering of the body

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cPeripheral vasoconstriction

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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

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cGolgi tendon organ

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dPacinium corpuscles

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First change to occur after nerve cut is_______________?


aSchwan cell mitosis

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bAxonal sprouting

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cMyelin sheath degeneration

✓


dNuclear disintegration

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


aTouch

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bVibration sense

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cMuscle sense

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dTemperature

✓


View Answer Temperature

In cerebellar disease, all the statements are correct except______________?


aThe romberg’s sign is positive

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bThere is adiodokokinesia

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cThere is pendular knee jerk

✓


dThere is involuntary termor

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


aMotor areas of cerebral cortex

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bAnterior hypothalamus

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cPathways for recurrent collateral inhibition in the spinal cord

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dBasal ganglia complex

✓


View Answer Basal ganglia complex

Function of GABA on CNS is_______________?


aNeuronal inhibition

✓


bNeuronal activation

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cGlial cell inhibition

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dGlial cell activation

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View Answer Neuronal inhibition

Phagocytosis in the CNS is done by _______________?


aAstrocytes

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bSchwann cells

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cMicroglia

✓


dOligocytes

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View Answer Microglia

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