Pharmacology Mechanism of action of d-tubocurarine is A Competitive, nondepolarizing block at the Nm cholinergic receptor B Non - competitive, nondepolarizing block at the Nm cholinergic receptor C Competitive, depolarizing block at the Nm cholinergic receptor D Noncompetitive, depolarizing block at the Nm cholinergic receptor 💡 Explanation Mechanism of action of d-tubocurarine is ✓ Correct Answer: A. Competitive, nondepolarizing block at the Nm cholinergic receptor