Which of the following combinations would most likely contribute to the development of a superinfection? ( )
A. long-term use of narrow-spectrum antimicrobials
B. long-term use of broad-spectrum antimicrobials
C. short-term use of narrow-spectrum antimicrobials
D. short-term use of broad-spectrum antimicrobials
E. rational use under the guidance.
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Which of the following does not bind to the 50S ribosomal subunit? ( )
A. tetracyclines
B. lincosamides
C. macrolides
D. chloramphenicol
E. Vancomycin
Which of the following antimicrobials inhibits the activity of DNA gyrase? ( )
A. polymyxin B
B. clindamycin
C. nalidixic acid
D. rifampin
E. Penicllin G
Which of the following is not an aminoglycoside antibiotic? ( )
A. Neomycin
B. Stretomycin
Cephalosporin
D. Kanamycin
E. Netilmicin
Which of the following class of antibiotics is associated with ototoxicity and hearing loss? ( )
A. Quinolones
B. Aminoglycosides
C. Glycopeptides
D. Beta-lactam antibiotics
E. Tetracycline
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