<prompt> A farmer is found convulsing in the farm. Diarrhea, sweating and urination are apparent. Pupils are pin point. Drug poisoning is suspected. Most probable cause is:Acetaminophen overdoseAmphetamine toxicityOrganophosphate poisoningAtropine poisoning  <response>: Ans. C. Organophosphate poisoningThese are characteristic features of anti-cholinesterase organophosphate and carbamate poisoning.A. Symptom due to muscarinic actions: DUMBELS Diarrhoea, Diaphoresis Urination Miosis Bronchoconstriction Excitation CNS Lacrimation, SalivationB. Symptom due to nicotinic action:Skeletal muscle fasciculations, weakness leading to diaphragmatic paralysis and deathTwo kinds of poisonings result in pin point pupil i.e. Opioids Poisoning and Organophosphate Poisoning 