Question

which of the following is a cholinergic antagonist?
seratonin.
valium.
thc.
curare.

Explanation:

Seratonin is a neurotransmitter not a cholinergic antagonist. Valium is a benzodiazepine for anxiety, not a cholinergic antagonist. THC is the main psychoactive component of cannabis, not a cholinergic antagonist. Curare is a neuromuscular - blocking agent that acts as a cholinergic antagonist by blocking the action of acetylcholine at the neuromuscular junction.

Answer:

D. Curare