Pharmacology Central Nervous system b274a600 Shoest acting benzodiazepine is: A Midazolam B Alprazolam C Lorazepam D Diazepam High-Yield Explanation Alprazolam is sho acting hypnotic,lorazepam & diazepam are long acting ,while triazolam &midazolam are ultra sho acting benzodiazepines . Ref: KD Tripathi 8TH ed