Under what condition does an action potential occur?
A) a large polarization of the neuron
B) when sodium ions leave the neuron
C) a strong depolarization of the cell membrane
D) when a neurotransmitter enters the myelin sheath

Question

Quizplus · Accepted Answer

An action potential occurs when there is a strong depolarization of the cell membrane. This happens when the charge inside the cell becomes more positive, typically by the influx of positively charged ions such as sodium.

Under What Condition Does an Action Potential Occur