A neuron is stimulated by a stimulus that just achieves threshold. After an interval of a few seconds, a new stimulus is applied that is half as intense as the previous one. The resulting action potential will have what peak voltage?
A) 2 mV
B) 5 mV
C) 10 mV
D) There will be no action potential.

Question

Quizplus · Accepted Answer

A stimulus that is half as intense as the threshold stimulus will not reach the threshold needed to trigger an action potential, so there will be no action potential.

A Neuron Is Stimulated by a Stimulus That Just Achieves