Anticholinergic drug used in parkinsonism -: (A) Benzhexol, (B) Beneserazide, (C) Pirenzepine, (D) Atropine
Answer is A. Ans. is 'a' i.e., Benzhexol Drugs for parkinsonasm|||Increasing brain dopaminergic activityDecreasing brain cholinergic activityo Dopamine precursor - Levodopao Periphera decarboxylase inhibitors - Carbidopa, Benserazideo Dopaminergic agonists - Bromocriptine, Ropinirole. Pramipexal, Ritigotineo MAO-B inhibitor - Selegilineo COMT inhibitor - Entacapone, Tolcaponeo Dopamine facilitator - Amantidineo Central anticholinergic - Trihexyphenidyl (Benzhexol), Procyclidine, Biperiden.o Antihistaminic - Orphenadrine, promethazine.