Explain the effects of barbiturates on the sleep cycle when used as hypnotics.

A. Barbiturates decrease stage 2 sleep, increase stages 3 and 4 sleep, and suppress REM sleep.
B. Barbiturates increase stage 2 sleep, increase stages 3 and 4 sleep, and suppress REM sleep.
C. Barbiturates decrease stage 2 sleep, decrease stages 3 and 4 sleep, and suppress REM sleep.
D. Barbiturates increase stage 2 sleep, decrease stages 3 and 4 sleep, and suppress REM sleep.


Answer: D

Nursing

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