Which of the following is NOT true of action potential frequency?
A) A subthreshold stimulus will not produce an action potential
B) A threshold stimulus is strong enough to give one action potential
C) A maximal stimulus gives the maximum frequency of action potentials
D) A supramaximal stimulus gives a stronger and more frequent action potential

Question

Quizplus · Accepted Answer

A supramaximal stimulus does not increase the frequency or strength of action potentials beyond the maximum frequency that a maximal stimulus can produce. Action potentials are all-or-nothing events, and their frequency is limited by the refractory period.

Which of the Following Is NOT True of Action Potential