Which of these events occurs first during an action potential?
A) Gated potassium channels close.
B) Gated sodium channels open.
C) Gated sodium channels close.
D) The inside of the neuron becomes negatively charged.

Question

Quizplus · Accepted Answer

During an action potential, the first event that occurs is the opening of gated sodium channels. This allows an influx of sodium ions into the neuron, causing depolarization and the generation of an action potential.

Which of These Events Occurs First During an Action Potential