Microbiology Lab Ex 4 Flashcards
1
Q
The turbidity of the suspension made was based on what standard?
A
0.5 McFarland standard (1.5 x 10 ^ 8 CFU/ml)
2
Q
Special arrangement of the disc
A
Not closer than 15 mm from the edge of the plate, at least 20 mm apart between discs to prevent overlapping zones
3
Q
Zone diameters for individual antimicrobial agents are translated into?
A
Susceptible, Resistant and Intermediate
4
Q
Staphylococcus inoculated plates must be read after how many hours of incubation?
A
24 hours
5
Q
Why is there a need to make a final sweep against the agar rim?
A
To assure that the entire surface of the agar is streaked with the bacteria
6
Q
MHIA means?
A
Müller Hinton Infusion Agar
