Pin point pupils are seen in all except ?: (A) Pontine hemorrhage, (B) Organophosphorus poisoning, (C) Opium poisoning, (D) Barbiturate poisoning
Answer is D. Ans. is 'd' i.e., Barbiturate poisoning Pin point pupil can be caused by : Opioids (morphine), organophosphates, phenothiazines, clonidine, mushroom poisoning, chloral hydrate, carbolic acid and pontine hemorrhage.