Time dependent killing and prolonged post-antibiotic effect is seen with:: (A) Eluoruquinolones, (B) Beta-lactam antibiotics, (C) Clindamycin, (D) Erythromycin
Answer is B. 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