Classification of Penicillins Quiz
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Questions and Answers

Which penicillins must be given on an empty stomach?

  • Cloxacillin
  • Amoxicillin
  • Ampicillin
  • Flucloxacillin (correct)

    • What is the most important side-effect of penicillins?

  • Hypersensitivity causing rashes and anaphylaxis (correct)
  • Dizziness and headache
  • Insomnia
  • Nausea and vomiting

    • What is the function of clavulanic acid in co-amoxiclav?

  • Inactivates beta-lactamases (correct)
  • Enhances the antibiotic effect of amoxicillin
  • Targets gram-negative bacteria
  • Reduces the risk of hypersensitivity reactions

    • Which dosage form of co-amoxiclav is given for intravenous injection only?

    <p>1200 (1000 + 200) Injection</p> Signup and view all the answers

    What is the primary purpose of amoxicillin and clavulanic acid combinations?

    <p>Combating beta-lactamase-producing bacteria</p> Signup and view all the answers

    Which of the following is an example of a natural penicillin?

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

    What is the primary function of penicillinase-resistant penicillins?

    <p>Resisting inactivation by penicillinase enzymes</p> Signup and view all the answers

    Which combination is given twice daily and available in a 457(400 + 57) suspension dosage form?

    <p>457(400 + 57) suspension</p> Signup and view all the answers

    Which of the following penicillins should be administered on an empty stomach?

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

    What is the mechanism of action of clavulanic acid in co-amoxiclav?

    <p>Inactivating beta-lactamases</p> Signup and view all the answers

    What is the primary function of beta-lactamase inhibitor in co-amoxiclav?

    <p>Inactivating beta-lactamases</p> Signup and view all the answers

    Which penicillin group is effective against beta-lactamase-producing bacteria?

    <p>Penicillinase-resistant penicillins</p> Signup and view all the answers

    What is the most important side-effect of penicillins?

    <p>Hypersensitivity reactions</p> Signup and view all the answers

    Which penicillin must be given on an empty stomach?

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

    Which combination is available in a 156 (125 + 31) suspension dosage form for twice daily administration?

    <p>457(400 + 57) suspension</p> Signup and view all the answers

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