The physiology of sleep is complex.Which of the following is the most appropriate statement in regard to this process?
A) Ultradian rhythms occur in a cycle longer than 24 hours.
B) Nonrapid eye movement (NREM)refers to the cycle that most clients experience when in a high-stimulus environment.
C) The reticular activating system is partly responsible for the level of consciousness of a person.
D) The bulbar synchronizing region (BSR)causes the rapid eye movement (REM)sleep in most normal adults.

Question

Quizplus · Accepted Answer

The ascending reticular activating system (RAS)located in the upper brain stem is believed to contain special cells that maintain alertness and wakefulness.Infradian rhythms,not ultradian rhythms,occur in a cycle longer than 24 hours.Nonrapid eye movement refers to the sleep cycle that most clients experience in a low-stimulus environment.The bulbar synchronizing region is the area of the brain where serotonin is released to produce sleep.It is not responsible for REM sleep.

The Physiology of Sleep Is Complex