This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Shortest acting benzodiazepine is - 
Select and explain. 
A. Flurazepam, B. Alprazolam, C. Triazolam, D. Diazepam
C: Triazolam
Answer: C: Triazolam 
Explanation: Ans. is 'c' i.e., TriazolamLong actingT 1/2 Clinical UsesFlurazepam50-100 (Longest)Chronic Insomnia, short - term insomnia with anxiety; Frequent nocturnal awakening; Night before operation.Diazepam30-60 Nitrazepam30Short acting Alprazolam12Individuals who react unfavourably to unfamiliar surroundings or unusual timings of sleep. Sleep onset difficulties.Temazolam8-12 Triazolam2-3 (shortest)o This question is a direct repeat from NEET 2012-13.