Anaesthesia General 8350f6f8 D–tubocurarine acts by – A Inhibiting nicotinic receptors at myoneural junction B Inhibiting nicotinic receptors at autonomic ganglion C Producing depolarizing block D By inhibiting reuptake of acetylcholine High-Yield Explanation All non-depolarizing blockers (D-tubocurarine) act as competitive antagonist of acetylcholine on nicotinic (Nm) receptors at myoneural junction.