The period during which an excitable membrane cannot respond to further stimulation is the
A)hyperpolarization.
B)depolarization.
C)relative refractory period.
D)repolarization.
E)absolute refractory period.

Question

Quizplus · Accepted Answer

During the absolute refractory period, an excitable membrane cannot respond to further stimulation, regardless of the strength of the stimulus. This is because the sodium channels responsible for depolarization are inactivated and cannot be opened, preventing the generation of an action potential.

The Period During Which an Excitable Membrane Cannot Respond to Further