Receptor potentials
A) are always depolarizations
B) are graded potentials
C) have refractory periods
D) are always depolarizations and are graded potentials
E) none of these

Question

Quizplus · Accepted Answer

Receptor potentials are graded potentials, meaning their magnitude varies with the strength of the stimulus. They are not always depolarizations, as they can also be hyperpolarizations, and they do not have refractory periods.

Receptor Potentials