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: Forensic Medicine
Antidote for organophosphates poisoning are all except: September 2009 March 2013 (b, d) 
Select and explain. 
A. Physostigmine, B. Activated charcoal, C. Pralidoxime, D. Atropine
A: Physostigmine
Answer: A: Physostigmine 
Explanation: Ans. A: Physostigmine The mainstays of medical therapy in organophosphate (OP) poisoning include ? Atropine-arrests muscarinic effects, Pralidoxime (2-PAM)-acts by competing for the phosphate moiety of the organophosphorus compound and release it from the cholinesterase enzyme Benzodiazepines (e.g., diazepam)-For convulsions Intravenous glycopyrrolate or diphenhydramine may provide an alternative centrally acting anticholinergic agent used to treat muscarinic toxicity if atropine is unavailable or in limited supply