NURSING ANM AND GNM

NURSING EXAM QUESTIONS

PATHOLOGY AND GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The Kirby-Bauer disk diffusion test:
A
Indicates the ability of bacteria to metabolize certain sugars
B
Is interpreted based on the diameter of the zone of inhibition
C
The zone of inhibition indicates the ability of certain substances in the disk to protect bacteria from cell death induced by toxic substances in the media
D
Measures the efficacy of chemotherapeutic agents directed against helminths
Explanation: 

Detailed explanation-1: -Disk diffusion by the Kirby-Bauer method is a standardized technique for testing rapidly growing pathogens. Briefly, a standardized inoculum (i.e., direct suspension of colonies to yield a standardized inoculum is acceptable) is swabbed onto the surface of MH agar (i.e., 150-mm plate diameter).

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