The minimum stimulus required to initiate a nerve impulse or action potential is called a(n)_____ stimulus.
A) subliminal
B) subthreshold
C) action
D) threshold
E) impulse

Question

Quizplus · Accepted Answer

The minimum stimulus required to initiate a nerve impulse or action potential is called the threshold stimulus. It is the level of stimulus required to trigger an action potential. Anything below the threshold will not produce an action potential in a neuron.

The Minimum Stimulus Required to Initiate a Nerve Impulse or Action