<prompt> Shoest acting benzodiazepine is:MidazolamAlprazolamLorazepamDiazepam  <response>: Alprazolam is sho acting hypnotic,lorazepam diazepam are long acting ,while triazolam midazolam are ultra sho acting benzodiazepines . Ref: KD Tripathi 8TH ed 