Disturbances in sensory neurons will result in an action potential if the
A)potential is graded.
B)potential change remains local.
C)graded potential of threshold size reaches a trigger zone.
D)localized potential changes do not spread too far.
E)potential changes become downgraded to localized ones.

Question

Quizplus · Accepted Answer

In order for an action potential to be initiated, a graded potential must reach the threshold size and then spread to the trigger zone. Therefore, the correct answer is C – a graded potential of threshold size must reach a trigger zone.

Disturbances in Sensory Neurons Will Result in an Action Potential