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 (C)</p> Signup and view all the answers

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

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

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

<p>Phenoxymethylpenicillin (B)</p> Signup and view all the answers

What is the primary function of penicillinase-resistant penicillins?

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

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

<p>Ampicillin (D)</p> Signup and view all the answers

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

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

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

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

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

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

What is the most important side-effect of penicillins?

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

Which penicillin must be given on an empty stomach?

<p>Flucloxacillin (C)</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 (A)</p> Signup and view all the answers

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