<prompt> Administration of which of the following drug requires therapeutic drug monitoring?LithiumHaloperidolDiazepamAcetazolamide  <response>: Therapeutic drug monitoring is adjustment of dose of the drug according to its plasma concentration. It is required for A Aminoglycosides e.g. gentamicin Drug Digitalis Possessing Phenytoin anti-epileptics Low Lithium Therapeutic Tricyclic antidepressants Index Immunomodulators e.g. cyclosporine Range of 0.8-1.2 mEqL is ored for treatment of acute manic or hypomanic patients. 0.6-1.0 mEql is considered adequate and safer for long term prophylaxis. 