What is the name of the first phase of the action potential that is caused by the inward movement of sodium?
A)Repolarization
B)Refractory period
C)Depolarization
D)Saltatory conduction

Question

Quizplus · Accepted Answer

The first phase of the action potential is depolarization, which is caused by the inward movement of sodium ions. This is followed by repolarization and the refractory period. Saltatory conduction refers to the jumping of the action potential along myelinated neurons.

What Is the Name of the First Phase of the Action