Action Potentials Are All-Or-None Phenomena. This Means That

Multiple Choice

Action potentials are all-or-none phenomena. This means that

A) they must fire a certain number of times a second to communicate information accurately.
B) they require a certain amount of stimulus to fire.
C) the amplitude of the action potential is independent of the size of the stimulus.
D) the amplitude of the action potential changes based on the intensity of the stimulus.