<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: D Tubocurarine acts by
Options:
A. Inhibiting nicotinic receptors at myoneural junction
B. Inhibiting nicotinic receptors at autonomic ganglion
C. Producing depolarising block
D. By inhibiting re-uptake of acetyl choline
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is A: Inhibiting nicotinic receptors at myoneural junction. Explanation: Refer Katzung 10/e p 429 D-Tubocurarine is a skeletal muscle relaxant that acts by competitive inhibition of NM receptors at neuron muscular junction<|im_end|>
