An action potential either happens or it doesn't and when it occurs it does so without getting smaller or larger in a given axon. This defines the principle of
A) excitatory synapses.
B) the all-in-one syndrome.
C) inhibitory synapses.
D) the all-or-none law.
E) constant state firing.

Question

Quizplus · Accepted Answer

The all-or-none law states that an action potential in a neuron either occurs fully or not at all, and once triggered, its size is not affected by the magnitude of the stimulus. This principle ensures that the action potential is transmitted along the axon without decreasing in size.

An Action Potential Either Happens or It Doesn't and When