Which of the following observations of a female client in a sleep lab would indicate the clinicians that she is in REM sleep?
A)
Rolling eye movements are observed, and she has moderate muscle activity.
B)
Her motor movements are suppressed, and muscle tone is flaccid.
C)
Delta waves are evident on her EEG, and the heart and respiration rates are slowed.
D)
She has a low level of cerebral activity, and her EEG indicates low voltage and mixed frequencies.
Ans:
B
Feedback:
REM sleep is accompanied by low levels of muscle movement and loss of muscle tone. Rolling eye movements, delta waves, and low levels of cerebral activity are associated with stages 1 through 4 of sleep.
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