22. A parenteral route of drug administration refers to
A.oral
B.nonoral
C.intravenously
D.intramuscularly

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23. Which of the following antibiotics can't be used for treatment of infections with β-lactamase-producing Staphylococcus aureus?
A.Vancomycin
B.Ampicillin/sulbactam
C.Cephalothin
D.Piperacillin

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24. Which of the following is not an aminoglycoside antibiotic?
A.Streptomycin
B.Neomycin
C.Kanamycin
D.Cephalosporin

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25. The nitrofurans differ from the antibiotics in that they
A.do not occur naturally
B.occur naturally
C.are antimicrobial drugs
D.all of these

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26. Quinolones are
A.antimetabolites
B.penicillin derivatives
C.bacteriostatic
D.broad-spectrum

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27. Which of the following is not a semi synthetic chemotherapeutic agent?
A.Ampicillin
B.Carbenicillin
C.Penicillin
D.Sulfonamide

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28. Which of the following tests is used to determine the minimal lethal concentration?
A.Broth dilution test
B.Agar dilution test
C.Dilution susceptibility tests
D.All of these

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