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

Verified
Correct Answer:
Verified
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