Which of the Following Statements About the Kirby-Bauer Assay Is

question 21

Multiple Choice

Which of the following statements about the Kirby-Bauer assay is true?

• A) It is used to test multiple bacteria simultaneously on a single plate.
• B) It uses serial dilutions of specific antibiotics to determine MIC.
• C) Zones of inhibition that are smaller are better antibiotics than antibiotics that form larger zones.
• D) It can test up to 12 different antibiotic disks at one time.
• E) It cannot be correlated with in vivo tissue concentrations.

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