After the depolarization phase of an action potential,the resting potential is restored by
A)the opening of voltage-gated sodium channels.
B)the opening of voltage-gated potassium channels and the closing of sodium channels.
C)a decrease in the membrane's permeability to potassium and chloride ions.
D)a brief inhibition of the sodium-potassium pump.
E)the opening of more voltage-gated sodium channels.

Question

Quizplus · Accepted Answer

The resting potential is restored by the opening of voltage-gated potassium channels, which allows K+ ions to flow out of the cell, and the closing of voltage-gated sodium channels, preventing any further influx of Na+ ions into the cell. This results in a net loss of positive charge from the cell, bringing the membrane potential back to its resting level.

After the Depolarization Phase of an Action Potential,the Resting Potential