Which of these is not a characteristic of an action potential?
A) It lasts approximately one millisecond.
B) It decreases in size as it moves down the axon.
C) It is localized in one region of the neuron membrane at any given moment.
D) It causes a reversal of polarity in the neuron membrane.
E) It propagates along the axon when each axonal region stimulates the next.

Question

Quizplus · Accepted Answer

Action potentials do not decrease in size as they propagate down the axon; rather, they maintain a constant amplitude due to the all-or-none principle of neuronal firing.

Which of These Is Not a Characteristic of an Action