During the action potential, the neuron cannot be excited by a second stimulus; it is _______. For a few milliseconds afterward, the hyperpolarized neuron is _______, requiring a stronger stimulation than usual in order to fire.

Question

Quizplus · Accepted Answer

During an action potential, the neuron is in the absolute refractory period, where it cannot be excited by a second stimulus. Afterward, during the hyperpolarized state, it enters the relative refractory period, where a stronger stimulus is needed to fire.

During the Action Potential, the Neuron Cannot Be Excited by a Second