Multiple Choice
Some psychoactive drugs work as _______, meaning that they artificially stimulate receptors in a neurotransmitter system. Others work as _______, meaning that they block activity at particular receptors.
A) agonists; neuromodulators
B) neuromodulators; antagonists
C) antagonists; agonists
D) agonists; antagonists
Correct Answer:

Verified
Correct Answer:
Verified
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