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: Anaesthesia
[{'content': 'A 21 year old lady with a history of hypersensitivity to neostigmine is posted for an elective caesarean section under general anaesthesia. The best muscle relaxant of choice in this patient should be – \nSelect and explain. \nA. Pancuronium, B. Atracurium, C. Rocuronium, D. Vecuronium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: This patient has allergy (hypersensitivity) to neostigmine, So it cannot be used for reversal. Therefore in this condition, non-depolarizing muscle relaxants in which reversal can be avoided should be used :- Atracurium, cisatracurium, mivacurium.', 'role': 'assistant'}]