<prompt> Time dependent killing and prolonged post-antibiotic effect is seen with:EluoruquinolonesBeta-lactam antibioticsClindamycinErythromycin  <response>: beta-lactams, glycopeptides and macrolides produce time-dependent inhibition -antimicrobial action depends on the length of time the concentration remains above MIC ESSENTIALS OF MEDICAL PHARMACOLOGY page no 697 