Functionally speaking, a nerve impulse is
A) a flow of electrons along the outside of the plasma membrane of a neuron.
B) the movement of cytoplasmic elements through the core of the neuron.
C) a series of changes in membrane potentials.
D) a lengthening and shortening of the membrane extensions of an individual neuron.
E) a change in the metabolic rate within a neuron.

Question

Quizplus · Accepted Answer

A nerve impulse is a series of changes in membrane potentials, specifically the rapid depolarization and repolarization of the neuron's membrane, which allows the signal to be transmitted along the neuron.

Functionally Speaking, a Nerve Impulse Is