This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Anatomy
Oxigen are used as specific antidotes in 
Select and explain. 
A. Alcohol poisoning, B. Mercury poisoning, C. OP poisoning, D. Cyanide poisoning
C: OP poisoning
Answer: C: OP poisoning 
Explanation: Oximes These are specific antidotes. The available oxigen are Diacetyl monoxime. 2- pyridine Aldoxime Methiodide Pralidoxime chloride Action: Oximes react with phosphate moiety of organophosphate- AchE complex and get phosphorilated. So AchE is released from the complex and thus reactivated. The oximes decreases the muscarinic, nicotine and CNS effects of organophosphates within 10-40 minutes Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 450