After firing an action potential a neuron
A) can immediately fire additional action potentials.
B) cannot immediately fire another action potential.
C) can continue firing the original action potential for an extended period of time.
D) cannot fire another action potential until at least five minutes have elapsed.

Question

Quizplus · Accepted Answer

After firing an action potential, a neuron enters a refractory period during which it cannot immediately fire another action potential. This period ensures that action potentials only travel in one direction along the neuron and allows the neuron to reset its ion channels.

After Firing an Action Potential a Neuron