Which statement best describes the all-or-none principle?
A)Local,or graded,potentials will always become action potentials.
B)All voltage-gated sodium channels will open or none will open.
C)An action potential happens completely,or it doesn't happen at all.
D)All neurons conduct an action potential together,or none do.

Question

Quizplus · Accepted Answer

The all-or-none principle states that an action potential will either occur completely or not at all. It is not a graded response, so there are no partial action potentials.

Which Statement Best Describes the All-Or-None Principle