This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, 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: Dantrolene inhibits Ryanodine receptors and release of calcium from sarcoplasmic seticulum.', 'role': 'assistant'}]