This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthesia, Subject name: Pharmacology
[{'content': 'Which of the following drug does not act on neuromuscular junction? \nSelect and explain. \nA. Succinylcholine, B. Dantrolene, C. Vecuronium, D. Mivacurium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (B) Dantrolene(Ref: Katzung 13th/e p467-468)Dantrolene is a directly acting muscle relaxant. It does not act at neuromuscular junction Neuromuscular blockersDepolarisingNon-depolarisingSChTubocurarineAtracuriumCis-atracuriumMivacuriumPancuroniumVecuroniumPipecuronium', 'role': 'assistant'}]