REM sleep is associated with _________.
A) decreased activity of the brain, especially the cerebral cortex
B) decreased vital signs, such as heart rate and blood pressure
C) temporary skeletal muscle inhibition except for ocular muscles and diaphragm
D) decreased oxygen use, especially in the cerebral cortex

Question

Quizplus · Accepted Answer

During REM sleep, there is temporary skeletal muscle inhibition except for ocular muscles and diaphragm, which can lead to decreased muscle tone and sometimes even paralysis. Option A, B, and D are incorrect because REM sleep is actually associated with increased brain activity, including the cerebral cortex, as well as increased heart rate and oxygen use in some areas of the brain.

REM Sleep Is Associated with _________