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Home Microbiology Antimicrobial Chemotherapeutic Agents Comments

  • Question
  • The penicillin stable in gastric acid and suitable for oral administration is


  • Options
  • A. methicillin
  • B. carbenicillin
  • C. closacillin
  • D. pencillin-G

  • Correct Answer
  • closacillin 


  • Antimicrobial Chemotherapeutic Agents problems


    Search Results


    • 1. Which of the following antibiotics can't be used for treatment of infections with ?-lactamase-producing Staphylococcus aureus?

    • Options
    • A. Vancomycin
    • B. Ampicillin/sulbactam
    • C. Cephalothin
    • D. Piperacillin
    • Discuss
    • 2. Interference mechanism of ciprofloxacin and norfloxacin is due to their action on

    • Options
    • A. cell wall synthesis
    • B. cell membrane function
    • C. DNA function
    • D. protein synthesis
    • Discuss
    • 3. Quinolones are

    • Options
    • A. antimetabolites
    • B. penicillin derivatives
    • C. bacteriostatic
    • D. broad-spectrum
    • Discuss
    • 4. A broad-spectrum antibiotic such as chloramphenicol is one that

    • Options
    • A. kills both Gram positive and Gram negative bacteria
    • B. kills all bacteria
    • C. kills numerous types of microbes
    • D. kills all microorganisms
    • Discuss
    • 5. Which of the antibiotic is not used as a food preservative?

    • Options
    • A. Pimaricin
    • B. Nisin
    • C. Tylosin
    • D. ?-lactam antibiotic
    • Discuss
    • 6. Which of the following group is not the carbohydrate containing antibiotic?

    • Options
    • A. Streptomycin & Streptothricin
    • B. Vancomycin & Moenomycin
    • C. Everninomycin & Nogirimycin
    • D. Erythromycin & candicidin
    • Discuss
    • 7. Chelate forming peptide antibiotic are/is

    • Options
    • A. bleomycins
    • B. sideromycins
    • C. both (a) and (b)
    • D. vancomycin
    • Discuss
    • 8. The nitrofurans differ from the antibiotics in that they

    • Options
    • A. do not occur naturally
    • B. occur naturally
    • C. are antimicrobial drugs
    • D. all of these
    • Discuss
    • 9. Amphotericin B and polymyxin interfere with

    • Options
    • A. cell wall synthesis
    • B. protein synthesis
    • C. cell membrane function
    • D. DNA function
    • Discuss
    • 10. Which of the following is not ?-lactamase-resistant penicillin?

    • Options
    • A. Oxacillin
    • B. Nafcillin
    • C. Carbenicillin
    • D. Methicillin
    • Discuss


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