Antimicrobial Susceptibility Testing Methods
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Questions and Answers

What does the Kirby Bauer assay help determine?

  • Minimal inhibitory concentration (MIC)
  • Therapeutic choices
  • Visible bacterial growth
  • Antibacterial potencies (correct)

What is the minimal inhibitory concentration (MIC) of a drug?

  • The highest concentration of drug that inhibits bacterial growth
  • The maximum concentration of drug that can be given to a patient
  • The concentration of drug that promotes bacterial growth
  • The lowest concentration of drug that inhibits visible bacterial growth (correct)

How is the minimal inhibitory concentration (MIC) determined?

  • By measuring the temperature of the broth
  • By identifying the turbidity in the broth (correct)
  • By finding the lowest drug concentration that induces bacterial growth
  • By observing the color change in the test tubes

Why is it important to determine the minimal inhibitory concentration (MIC) of a drug?

<p>To identify the correct dosage for a specific bacteria (B)</p> Signup and view all the answers

What should be the relationship between serum levels of an antibacterial and its MIC for successful treatment?

<p>Serum levels should be significantly above the MIC (C)</p> Signup and view all the answers

What is observed in the broth test tubes to determine the minimal inhibitory concentration (MIC)?

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

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