The period following depolarization of a neuron during which a neuron can fire, but requires a higher level of stimulation than required for the initial depolarization, is the
A) primary refractory period.
B) secondary refractory period.
C) absolutely (absolute) refractory period.
D) relatively (relative) refractory period.

Question

Quizplus · Accepted Answer

The relative refractory period is the phase following depolarization when a neuron can fire again, but it requires a stronger stimulus than the initial depolarization.

The Period Following Depolarization of a Neuron During Which a Neuron