<prompt> Sunder Lal, 28 year old farmer is found convulsing in the farm. Heart rate is 100min and blood pressure is 180110 mm Hg. Diarrhea, sweating and urination are apparent. Pupils are pin point. Drug poisoning is suspected. Most probable cause is:Acetaminophen overdoseAmphetamine toxicityOrganophosphate poisoningAtropine poisoning  <response>: All the given symptoms are due to anticholinesterase action. 