Action potentials differ from receptor potentials in that
A)receptor potentials are all or none events.
B)action potentials are graded.
C)receptor potentials are graded.
D)action potentials occur more frequently.
E)action potentials occur with greater magnitude.

Question

Quizplus · Accepted Answer

Receptor potentials are graded, meaning that the magnitude of the depolarization is proportional to the strength of the stimulus. In contrast, action potentials are all or none events that occur when the depolarization of the cell membrane reaches a certain threshold. Additionally, while action potentials have a consistent magnitude and frequency, receptor potentials can vary in magnitude and may or may not trigger an action potential depending on the strength of the stimulus.

Action Potentials Differ from Receptor Potentials in That