The all-or-nothing principle refers to
A) synapses.
B) action potentials.
C) hormones.
D) glial cells.

Question

Quizplus · Accepted Answer

The all-or-nothing principle refers to the concept that an action potential either fires completely or not at all. There is no in-between state. This principle applies to the electrical signaling that occurs within a neuron, specifically in the axon hillock region where the action potential is initiated. It does not refer to synapses, hormones, or glial cells.

The All-Or-Nothing Principle Refers to