This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
The neuromuscular blocker that does not need a reversal of action by neostigmine at the end of the operation is: 
Select and explain. 
A. d–Tubocurarine, B. Doxacurium, C. Pipecuronium, D. Mivacurium
D: Mivacurium
Answer: D: Mivacurium 
Explanation: Long-acting non-depolarizing (competitive) NM blocking agents require reversal with neostigmine.
Mivacurium is the shortest acting NDMR. It does not require reversal due to its short duration of action.
Mivacurium can be used in day care surgery.