During which one of the following phases of an action potential do the sodium channels close and potassium channels open, releasing potassium from the neuron?
A) depolarization
B) reestablishment of resting potential
C) saltatory propagation
D) both depolarization and repolarization
E) repolarization

Question

Quizplus · Accepted Answer

During repolarization, sodium channels close and potassium channels open, allowing potassium to exit the neuron, which helps restore the negative membrane potential.

During Which One of the Following Phases of an Action