<prompt> Which of the following is not metabolized by liver ?FlunitrazepanDiazepamOxazepamNitrazepam  <response>: Ans. is c i.e., Oxazepam o Active metabolites are not formed by Oxazepam, Lorazepam, Temazepam -- So these drugs are sho acting and can be used in liver failure as these drugs are directly conjugated without metabolism. 