Multiple Choice
The opiates:
A) are a group of addictive drugs first discovered in the 1960s.
B) mimic endorphins and occupy endorphin receptor sites in the brain.
C) include the prescription drugs Seconal and Nembutal.
D) are chemically almost identical to the neurotransmitter serotonin.
Correct Answer:

Verified
Correct Answer:
Verified
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