(Laboratory) Bacterial Challenge Test Flashcards
1
Q
List down the step-by-step method for the Bacterial Challenge Test:
A
- Add 5ml of disinfectant in each tube.
- Add 0.25ml of bacterial broth suspension on each tube.
- Mix by gently tapping.
- Immediately start timer.
- Streak according to the following time intervals.
- Incubate and interpret according to the criteria.
2
Q
How many ml of disinfectant is added on each tube?
A
5ml
3
Q
How many ml of bacterial suspension is added on each tube?
A
0.25ml
4
Q
0 indicates _____
A
No growth
5
Q
+ indicates _____
A
Poor growth
6
Q
++ indicates _____
A
Good growth
7
Q
+++ indicates _____
A
Excellent growth
8
Q
_____ indicates no growth
A
0
9
Q
_____ indicates poor growth
A
+
10
Q
_____ indicates good growth
A
++
11
Q
_____ indicates excellent growth
A
+++
12
Q
What are the disinfectant used in the Bacterial Challenge Test?
A
75% Alcohol
Merthiolate
Betadine
Bleach
