The minimum level of depolarization required to initiate an action potential in an excitable cell is called the ____ potential.
A) electrical
B) refractory
C) membrane
D) resting
E) threshold

Question

Quizplus · Accepted Answer

The threshold potential is the minimum level of depolarization needed to trigger an action potential in excitable cells, such as neurons and muscle cells.

The Minimum Level of Depolarization Required to Initiate an Action