Methamphetamine increases the release of dopamine from an axon's terminal button. Curare blocks the release of acetylcholine. Methamphetamine is a dopamine ______; curare is an acetylcholine ______.
A)antagonist; agonist
B)exciter; inhibitor
C)agonist; antagonist
D)inhibitor; exciter

Question

Quizplus · Accepted Answer

Methamphetamine increases the release of dopamine, so it is considered as a dopamine agonist. Curare blocks the release of acetylcholine, so it is an acetylcholine antagonist.

Methamphetamine Increases the Release of Dopamine from an Axon's Terminal