Identify the correct sequence of steps in the generation of an action potential. 1. Activation of sodium channels and rapid depolarization
2) Inactivation of sodium channels and activation of potassium channels
3) Depolarization to threshold
4) Closing of potassium channels
A) 1, 3, 4, 2
B) 3, 1, 2, 4
C) 4, 3, 2, 1
D) 1, 3, 2, 4
E) 3, 1, 4, 2

Question

Quizplus · Accepted Answer

The correct sequence of steps in the generation of an action potential is depolarization to threshold (3), activation of sodium channels and rapid depolarization (1), inactivation of sodium channels and activation of potassium channels (2), and closing of potassium channels (4). Choice B is the only option that has the correct sequence.

Identify the Correct Sequence of Steps in the Generation of an Action