All the following drugs act by blocking AMPA receptors of glutamate except: (A) Felbamate, (B) Perampanel, (C) Phenobarbitone, (D) Topiramate
Answer is A. Felbamate acts on NMDA receptors of glutamate. Perampanil is a new class of drug acting on AMPA receptors,Phenobarbitone is also known to block these receptors. Ref: HL Sharma 3rd ed.Pg 527.