A neuron is unable to produce another action potential under any circumstances during the
A) absolute refractory period.
B) relative refractory period.
C) depolarization phase of the action potential.
D) hyperpolarization phase of an action potential.

Question

Quizplus · Accepted Answer

During the absolute refractory period, the voltage-gated sodium channels are inactivated and cannot reopen, which prevents the initiation of another action potential. Thus, a neuron is unable to produce another action potential under any circumstances during the absolute refractory period.

A Neuron Is Unable to Produce Another Action Potential Under