Principles of Antimicrobial Therapy and Agents Quiz

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Questions and Answers

Which type of antimicrobial agent targets the cell wall of bacteria?

  • Antifungal Agents
  • Antibacterial (correct)
  • Anti-metabolites
  • Protein Synthesis Inhibitors

What kind of therapy involves drug administration after bacterial identification according to susceptibility testing?

  • Broad-Spectrum Therapy
  • Pathogen-Directed Therapy (correct)
  • Empiric Therapy
  • Prophylactic Therapy

In which situation is broad-spectrum therapy most likely to be needed?

  • In intra-abdominal surgery
  • When the identity of the organism is unknown (correct)
  • For antifungal infections
  • For prophylactic therapy

What factor should be considered before starting antibiotic therapy?

<p>Potential antibiotic susceptibilities (D)</p> Signup and view all the answers

Which type of medications are used to treat bacterial infections?

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

What is the purpose of prophylactic therapy?

<p>To prevent an infection (D)</p> Signup and view all the answers

Which factor is NOT taken into consideration when selecting an antimicrobial agent?

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

In the context of antimicrobial therapy, what effect does the blood-brain barrier have on the penetration of antibacterial agents?

<p>All of the above (D)</p> Signup and view all the answers

What differentiates bacteriostatic drugs from bactericidal drugs?

<p>Both a and b (A)</p> Signup and view all the answers

What does the minimum inhibitory concentration (MIC) determine for bacteriostatic agents?

<p>The minimum concentration of antibiotic that inhibits bacterial growth (B)</p> Signup and view all the answers

Which statement accurately describes narrow spectrum antibiotics?

<p>They act only on a limited group of microorganisms (D)</p> Signup and view all the answers

What is a common complication associated with antibiotic therapy?

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

How do super-infections occur in the context of antibiotic therapy?

<p>Due to broad-spectrum antimicrobials or combinations of agents (C)</p> Signup and view all the answers

What is the site targeted by cell wall inhibitors in the process of peptidoglycan formation?

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

Which factor is NOT considered when selecting an antimicrobial agent based on the provided text?

<p>The spectrum of antibiotic (D)</p> Signup and view all the answers

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