Multiple Choice
Which characteristics are associated with REM sleep?
1) Lower level tonic activity
2) High-voltage,low-frequency waves on an electroencephalogram
3) Absence of tonic activity on an electromyogram
4) Often absent responsiveness to external stimuli
A) 1 and 2
B) 3 and 4
C) 1,2,and 4
D) 2,3,and 4
Correct Answer:
Verified
Correct Answer:
Verified
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