True about benzodiazepines ?

Ans. is 'c' i.e., Lorazepam is shoer acting than temazepam Lorazepam has VA 10-20 hours, while Temazepam has VA 10-40 hours. About other options BZDs do not increase or decrease the release of GABA, they bind on GABAA receptors and increase Cl- conductance - GABA facilitatory action. Flumazenil (not atropine) is the antagonist of BZDs.