During the action potential,
A) the inside of the axon becomes negatively charged relative to the outside of the axon.
B) there is no change in the electrical charge of the axon.
C) the inside of the axon becomes positively charged relative to the outside of the axon.
D) there is a gradual, moderately long-term reversal in the electrical charge of the axon.
E) positively charged ions are pumped out of the inside of the axon.

Question

Quizplus · Accepted Answer

During an action potential, the inside of the axon becomes positively charged relative to the outside due to the influx of sodium ions (Na+). This is a rapid process that reverses the usual negative resting potential of the neuron's interior.

During the Action Potential