Which of the following tests does NOT provide information on the lowest concentration of drug effective on a pathogen?

Question

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Diffusion susceptibility test provides information on the susceptibility of a pathogen to a specific drug, but it does not provide information on the lowest concentration of drug effective on the pathogen. The other tests listed (Etest, broth dilution test, MBC test) are all capable of determining the minimum inhibitory concentration (MIC) of a drug necessary to inhibit the pathogen, which provides information about the lowest effective concentration.

Which of the Following Tests Does NOT Provide Information on the Lowest