Which of the following characteristics are true for an action potential?
I-A threshold potential must be exceeded.
II-Each stimulus produces a full potential or none at all.
III-During the refractory period it is less likely that another action potential can be produced.
A)I only
B)I and II
C)II and III
D)I and III
E)I,II,and III

Question

Quizplus · Accepted Answer

An action potential requires a threshold potential to be exceeded (I), follows the all-or-none principle where each stimulus produces a full potential or none at all (II), and during the refractory period, it is less likely for another action potential to be produced (III).

Which of the Following Characteristics Are True for an Action