After the Depolarisation Phase of an Action Potential, the Resting

Multiple Choice

After the depolarisation phase of an action potential, the resting potential is restored by ________.

A) the opening of voltage-gated potassium channels and the inactivation of sodium channels
B) a decrease in the membrane's permeability to potassium and chloride ions
C) a brief inhibition of the sodium-potassium pump
D) the opening of more voltage-gated sodium channels