Common penicillin products include which of the following?

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Penicillin products include ampicillin and cloxacillin, both of which are listed in option D. Streptomycin and lincomycin (listed in option A) are not penicillins, but rather belong to a class of antibiotics called aminoglycosides and lincosamides, respectively. Nystatin, bacitracin, and cloxacillin (listed in option B) are not penicillins either; they belong to the classes of antifungals, polypeptides, and penicillins (respectively). Erythromycin, cefaclor, and sulfadiazine (listed in option C) are not penicillins, but rather belong to the classes of macrolides, cephalosporins, and sulfonamides, respectively.

Common Penicillin Products Include Which of the Following