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': 'D-tubocurarine acts by - \nSelect and explain. \nA. Inhibiting nicotinic receptors at myoneural junction, B. Inhibiting nicotinic receptors at autonomic ganglion, C. Producing depolarizing block, D. By inhibiting reuptake of acetylcholine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Inhibiting nicotinic receptors at myoneural junction o D-tubocurarine is a skeletal muscle relaxant that acts by competitive inhibition of NM receptors at neuron-muscular junction.", 'role': 'assistant'}]