Question

For epidemiology, standardization of Kirby-Bauer testing is done by

a. Using test cultures is specific turbidity

b. Uniform antibiotic dosages

c.Using only Mueller-Hinton Agar

d. All of these answers are correct

Answer 1

Answer :

Correct Option : C) Using only Mueller-Hinton Agar

Explanation : For epidemiology, standardization of Kirby-Bauer testing is done by using only Mueller-Hinton agar at only 4mm deep poured into either 100 mm or 150 mm Petri dishes.

Incorrect options :

A) Using test cultures is specific turbidity

Explanation : standardization of Kirby-Bauer testing is not done by test cultres is specific turbidity.

B) Uniform antibiotic dosages

Explanation : Standardization of Kirby-Bauer testing is not done by uniform antibiotic dosages