Q-144 Each one of the following is a feature of organophosphate poisoning, except: A. B. C. D. E. Defecation Mydriasis Salivation Lacrimation Urination
ANSWER: Mydriasis EXPLANATION: ORGANOPHOSPHATE INSECTICIDE POISONING One of the effects of organophosphate poisoning is inhibition of acetylcholinesterase Features can be predicted by the accumulation of acetylcholine (mnemonic = SLUD) ⢠Salivation ⢠Lacrimation ⢠Urination ⢠Defecation/diarrhoea ⢠cardiovascular: hypotension, bradycardia ⢠also: small pupils, muscle
PHARMACOLOGY
(PART 19)
MCQS FOR MBBS MRCGP MRCP STUDENTS WITH EXPLANATION
