Which pair of drugs below are antagonists for the muscarinic and nicotinic (respectively) receptors?

A) atropine; curare
B) hemicholium; atropine
C) curare; atropine
D) muscarine; nicotine
E) acetylcholinesterase; choline acetyltransferase

Answer: A
Rationale: Atropine and curare are antagonists for the muscarinic and nicotinic (respectively) receptors.

Psychology

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