Multiple Choice
Histamine activity in the brain is highest during ______________ and relatively low during ________________.
A) wakefulness;REM and NREM sleep
B) wakefulness and REM sleep;NREM sleep
C) REM and NREM sleep;wakefulness.
D) REM sleep;wakefulness and NREM sleep.
Correct Answer:

Verified
Correct Answer:
Verified
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