Which of the following sleep disturbances may occur because the brain stops sending signals to the diaphragm to maintain breathing or because there is blockage in the upper air passages?
A) sleep apnea
B) narcolepsy
C) cataplexy
D) somnambulism

Question

Quizplus · Accepted Answer

Sleep apnea is characterized by pauses in breathing during sleep, which can be caused by either a failure of the brain to signal the diaphragm to breathe or by blockages in the upper airway. Other options have different causes - narcolepsy is caused by a sudden onset of sleep, cataplexy is a sudden loss of muscle tone, and somnambulism is sleepwalking.

Which of the Following Sleep Disturbances May Occur Because the Brain