Multiple Choice
At low levels, alcohol's effect on the brain is ________; at higher levels, alcohol's effect is ________.
A) to inhibit glutamate (an excitatory neurotransmitter) ; release opium-like endorphins
B) too minimal to have an impact; massive and excitatory
C) depressive; excitatory
D) to activate the brain's "pleasure centers"; depress brain functioning
Correct Answer:

Verified
Correct Answer:
Verified
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