The period after an initial stimulus when a neuron is not sensitive to another stimulus is the________.
A) repolarization
B) depolarization
C) resting period
D) absolute refractory period

Question

Quizplus · Accepted Answer

The absolute refractory period is the time when a neuron cannot respond to another stimulus, no matter how strong it is. This period occurs after an action potential when the sodium channels are inactivated and the membrane is hyperpolarized. During this time, the neuron is unable to generate another action potential no matter how strong the stimulus may be. Therefore, choice D, absolute refractory period, is the correct answer.

The Period After an Initial Stimulus When a Neuron Is