Pharmacology The neuromuscular blocker that does not need a reversal of action by neostigmine at the end of the operation is: A d–Tubocurarine B Doxacurium C Pipecuronium D Mivacurium 💡 Explanation The neuromuscular blocker that does not need a reversal of action by neostigmine at the end of the operation is: ✓ Correct Answer: D. Mivacurium