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': 'Site of action of vecuronium is – \nSelect and explain. \nA. Cerebrum, B. Reticular formation, C. Motor neuron, D. Myoneural junction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Vecuronium, a non-depolarizing blocker, acts on nicotinic receptors at myoneural junction.', 'role': 'assistant'}]