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MCQs

Total Questions : 55 | Page 3 of 6 pages
Question 21. . Which of the following is not an example of potent antitumer agents?
  1.    Anthramycin
  2.    Sibromycin
  3.    Neothramycin
  4.    Erythromycin
 Discuss Question
Answer: Option D. -> Erythromycin
Question 22. . A parenteral route of drug administration refers to
  1.    oral
  2.    nonoral
  3.    intravenously
  4.    intramuscularly
 Discuss Question
Answer: Option B. -> nonoral
Question 23. . Which of the following antibiotics can't be used for treatment of infections with β-lactamase-producing Staphylococcus aureus?
  1.    Vancomycin
  2.    Ampicillin/sulbactam
  3.    Cephalothin
  4.    Piperacillin
 Discuss Question
Answer: Option D. -> Piperacillin
Question 24. . The nitrofurans differ from the antibiotics in that they
  1.    do not occur naturally
  2.    occur naturally
  3.    are antimicrobial drugs
  4.    all of these
 Discuss Question
Answer: Option A. -> do not occur naturally
Question 25. . Which of the following is not an aminoglycoside antibiotic?
  1.    Streptomycin
  2.    Neomycin
  3.    Kanamycin
  4.    Cephalosporin
 Discuss Question
Answer: Option D. -> Cephalosporin
Question 26. . Which of the following tests is used to determine the minimal lethal concentration?
  1.    Broth dilution test
  2.    Agar dilution test
  3.    Dilution susceptibility tests
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 27. . Quinolones are
  1.    antimetabolites
  2.    penicillin derivatives
  3.    bacteriostatic
  4.    broad-spectrum
 Discuss Question
Answer: Option D. -> broad-spectrum
Question 28. . Which of the following is not a semi synthetic chemotherapeutic agent?
  1.    Ampicillin
  2.    Carbenicillin
  3.    Penicillin
  4.    Sulfonamide
 Discuss Question
Answer: Option C. -> Penicillin
Question 29. . The mode of action of polymyxin is to
  1.    inhibit protein synthesis
  2.    inhibit DNA synthesis
  3.    njury to the plasma membrane
  4.    inhibit folic acid synthesis
 Discuss Question
Answer: Option C. -> njury to the plasma membrane
Question 30. . Which of the following may cause resistance to penicillin?
  1.    Impermeability of cell envelope
  2.    Production of β-lactamases by bacteria
  3.    Alteration or lack of penicillin-binding proteins
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above

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