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
Which of the following is sho acting neuromuscular blocking agent: September 2007 
Select and explain. 
A. Pancuronium, B. Doxacurium, C. Mivacurium, D. Vecuronium
C: Mivacurium
Answer: C: Mivacurium 
Explanation: Ans. C: Mivacurium Mivacurium have fast onset and resolution of action Onset: 2-4 minutes and duration is 12-20 minutes It does not need reversal. Dose and speed of injection related transient cutaneous flushing can occur due to histamine release. It is metabolized rapidly by plasma cholinesterases; prolonged paralysis can occur in pseudocholinesterase deficiency.