This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
All of the following benzodiazepines can be used in elderly and those with liver disease EXCEPT: 
Select and explain. 
A. Lorazepam, B. Oxazepam, C. Triazolam, D. Diazepam
D: Diazepam
Answer: D: Diazepam 
Explanation: Diazepam is all purpose BZDs ,it has broad spectrum activity ,it generates active metabolites ,it is also long acting BZDs . Therefore the adverse effects are more pronounced especially in people with liver disease (as diazepam is metabolized in liver) & in older individuals ,it produces psychomotor side effects. Ref: KD Tripathi 8th ed.