Antibacterial Classification Quiz
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Questions and Answers

What type of spectrum does methicillin have against bacteria?

  • Narrow-spectrum against gram-positive and gram-negative bacteria
  • Broad-spectrum against gram-positive bacteria but with increased gram-negative bacteria spectrum
  • Broad-spectrum against gram-positive and gram-negative bacteria
  • Narrow-spectrum against gram-positive bacteria only (correct)
  • Which drug blocks the transport of peptidoglycan subunits across the cytoplasmic membrane?

  • Bacitracin (correct)
  • Vancomycin
  • Imipenem
  • Penicillin G
  • Which antibiotic has the broadest spectrum of the β-lactams against gram-positive and gram-negative bacteria, including many β-lactamase producers?

  • Vancomycin
  • Penicillin G
  • Ampicillin
  • Imipenem (correct)
  • Which type of bacteria are targeted by aztreonam?

    <p>Gram-negative bacteria only</p> Signup and view all the answers

    What is the spectrum of activity of carbapenem family drugs?

    <p>Very broad-spectrum against gram-positive and gram-negative bacteria</p> Signup and view all the answers

    What is the spectrum of activity of semisynthetic Penicillin V?

    <p>Narrow-spectrum against gram-positive bacteria only</p> Signup and view all the answers

    What is the mechanism of action for drugs that inhibit bacterial cell wall synthesis?

    <p>Interact directly with peptidoglycan subunits to inhibit transpeptidation</p> Signup and view all the answers

    Which drug class includes narrow-spectrum antibiotics similar to penicillin but with increased gram-negative spectrum?

    <p>Monobactams</p> Signup and view all the answers

    What is the spectrum of activity for first-generation cephalosporins?

    <p>Narrow-spectrum against gram-positive bacteria only</p> Signup and view all the answers

    What type of bacteria do glycopeptides, such as vancomycin, have activity against?

    <p>Gram-positive and gram-negative bacteria, including MRSA</p> Signup and view all the answers

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