<prompt> All of the following statements about flumazenil are true except:It is a specific antagonist of benzodiazepinesIt may be used to treat barbiturate poisoningIt is given intravenouslyIt acts on same site on GABA channel where benzo diazepines bind  <response>: Uses of flumazenil - reverse BZD anaesthesia, BZD overdose,its mechanism of action is on GABA channel where BZD binds . There is no specific antidote for barbiturates. Ref: KDTripathi 8th ed. 