Repolarization begins as:
A)voltage-gated potassium ion channels activate.
B)voltage-gated sodium ion channels activate.
C)voltage-gated potassium ion channels begin to close.
D)sodium ions follow their electrochemical gradient into the cell.

Question

Quizplus · Accepted Answer

Repolarization begins when voltage-gated potassium ion channels activate, allowing potassium ions to exit the cell, which helps to restore the negative internal charge characteristic of the cell's resting state.

Repolarization Begins As