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': 'Myasthenics are resistant to following muscle relaxant : \nSelect and explain. \nA. Suxamethonium, B. Pancurium, C. Atracuronium, D. Vecuronium', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Suxamethonium', 'role': 'assistant'}]