A second nerve impulse cannot be generated until _________.
A) the Na ions have been pumped back into the cell
B) proteins have been resynthesized
C) the membrane potential has been reestablished
D) all sodium gates are closed

Question

Quizplus · Accepted Answer

The membrane potential refers to the difference in electrical charge between the inside and outside of the neuron. During an action potential, the membrane potential becomes depolarized as positively charged sodium ions enter the cell. Repolarization occurs when potassium ions leave the cell and the membrane potential is restored. The membrane potential must be reestablished (through the process of repolarization) before a new action potential can be generated.

A Second Nerve Impulse Cannot Be Generated Until _________