In this type of antimicrobial susceptibility test, a McFarland 0.5 standardized suspension of bacteria is swabbed over the surface of a Mueller-Hinton agar plate, and paper disks containing single concentrations of each antimicrobial agent are placed onto the inoculated surface. What is the name of this test?
A) Kirby-Bauer
B) MIC
C) Breakpoint
D) Agar dilution

Question

Quizplus · Accepted Answer

This is the Kirby-Bauer test, also known as the disk diffusion test. It measures the susceptibility of bacteria to antimicrobial agents. The zones of inhibition around the disks are measured and compared to established standards to determine the effectiveness of the antimicrobial agent against the bacterial strain.

In This Type of Antimicrobial Susceptibility Test, a McFarland 0