A commercial modification of the disk diffusion test is called the

Question

Quizplus · Accepted Answer

The E test is the commercial modification of the disk diffusion test. It uses a gradient strip that is impregnated with a pre-determined amount of antimicrobial agent. The strip is then placed on an agar plate inoculated with the test organism, and the point at which the antimicrobial agent inhibits bacterial growth is measured. This allows for more accurate determination of minimum inhibitory concentration compared to the traditional disk diffusion method. The other options (B, C, D, and E) do not correspond to any existing commercial modifications of the disk diffusion test.

A Commercial Modification of the Disk Diffusion Test Is Called