How does D-tubocurarine inhibit neuromuscular transmission?

A.N.S, Blood And Endocrinal Drugs MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
A.N.S, Blood And Endocrinal Drugsmedical-mcqs › pharmacology › a-n-s-blood-and-endocrinal-drugs
Published
28 Jul 2019
Last updated
28 May 2026

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Explanation

D-tubocurarine acts as a competitive antagonist at nicotinic acetylcholine receptors on the motor end plate, thereby blocking acetylcholine from binding and preventing muscle contraction. It does not affect acetylcholine release, degrade acetylcholine, or inhibit acetylcholinesterase.

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