This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: A.N.S., Subject name: Pharmacology
Mechanism of action of pralidoxime is: 
Select and explain. 
A. Stimulation of ACh receptors, B. Inhibition of breakdown of ACh, C. Blockade of ACh receptors, D. Reactivation of AChE enzyme
D: Reactivation of AChE enzyme
Answer: D: Reactivation of AChE enzyme 
Explanation: Ans. (D) Reactivation of AChE enzyme(Ref: Katzung 10/e p116; KDT 8th/e p123)Pralidoxime and diacetylmonoxime are cholinesterase regenerator compounds used for organophosphate poisoning.