<prompt> In organophosphorus compound poisoning atropine can reverse all the following signs EXCEPTLacrimationDiaphoresisDiarrheaMuscle weakness  <response>: Ans. d Muscle weakness. Ref. Harrison, Principles of Internal Medicine, 16th ed., 2589Rx of organophosphorus compound OPP In OPP poisoning treatment with atropine can reverse muscarinic effects salivation, lacrimation, urine incontinence, diarrhoea, diaphoresis, emesis, bronchorrhoea, wheezing, seizures, abdominal cramps, and incontinence of feces. While pralidoxime 2-PAM, a cholinesterase reactivator is for reversal of nicotinic signs and symptoms due to organophosphates, nerve gases or unknown anticholineesterases hypertension, muscle cramps, fasciculations, weakness and paralysis. Toxicity Withdrawal ofRx1Opioid withdrawalMethadone2Aspirin intoxicationSodabicarb3TCA intoxicationSodabicarb4Diphenhydramine intoxicationPhysostigmine5Acetaminophen toxicityN-acetyl cystiene6Alcohol withdrawalChlordiazepoxide7b-blocker toxicityAtropine, IV Fluids, Glucagon8OPPAtropine, Oximes 