This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
[{'content': 'Fasciculation are caused by \nSelect and explain. \nA. Suxamethonium, B. Pancuronium, C. d-TC, D. Vecuronium', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fasciculations are the characteristic feature of depolarising block. Succinylcholine is the depolarising muscle relaxant. d-tubocurare, vecuronium and pancuronium are the non-depolarising muscle relaxants.', 'role': 'assistant'}]