Which of the following is used as an antidote to nicotine poisoning: (A) Neostigmine, (B) Atropine, (C) Phentolamine, (D) Trimethaphan
Answer is D. Ref: HL Sharma 3rd ed pg:195 Nicotine is an agonist for NN receptors Ganglion blockers are antagonists for NN receptors eg: hexamethonium, trimethaphan, Mecamylamine etc