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.
Correct Answer:
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