Determining microbial sensitivity to an antimicrobial agent by using a filter paper soaked with the drug on a bacterial lawn on an agar plate is called:

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The described method is known as the disk diffusion method or the Kirby-Bauer test. This is a common and widely used method for determining the sensitivity of bacteria to antimicrobial agents. The dilution method involves gradually diluting a sample of the antimicrobial agent to determine the minimum inhibitory concentration (MIC) required to inhibit bacterial growth. Automated testing uses machines to test the susceptibility of bacteria to various antibiotics. Phage typing is a method of identifying bacterial strains based on their susceptibility to specific bacteriophages.

Determining Microbial Sensitivity to an Antimicrobial Agent by Using a Filter