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NEET UG BIOLOGY MCQ: NEURAL CONTROL AND COORDINATION

1 Hard

1 of 1

Understanding +4 | -1

Read the following statements

(A) Depolarization of an axonal membrane is caused due to rise in stimulus-induced permeability to

{Na}^{+}

and its rapid influx into axoplasm.

(B) Diffusion of

{K}^{+}

outside the axonal membrane restores the resting potential of the membrane.

(C) Sodium potassium pump maintains active transport of

2 {Na}^{+}

outwards for

3 {~K}^{+}

into axoplasm across resting membrane

Choose the option that represent correct statements only

View answer and explanation

Correct option: B

A and B

Option B (A and B) is correct because depolarization is caused by sodium influx, and potassium efflux restores the resting potential.

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