PSA 4 - Kirby-Bauer Method

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Science
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University
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Hard
Beidan Mussa
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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the primary purpose of the Kirby-Bauer test?
To identify bacterial species
To measure bacterial growth rate
To assess bacterial morphology
To determine bacterial susceptibility to antibiotics
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does a clear zone around an antibiotic disc indicate?
Bacterial growth
Contamination
Bacterial inhibition
Bacterial resistance
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does a large zone of inhibition suggest about the bacteria?
High resistance to the antibiotic
Susceptibility to the antibiotic
No effect of the antibiotic
The antibiotic is expired
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which factor can affect the accuracy of the Kirby-Bauer test?
Incubation temperature
Agar thickness
Inoculum density
All of the above
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
At what temperature is the Kirby-Bauer test incubated?
25
30
35
40
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How is the zone of inhibition measured?
Using a ruler across the diameter
Counting the number of colonies
Weighing the bacterial mass
By estimating visually
7.
DRAG AND DROP QUESTION
5 mins • 1 pt
Match the interpretation to the clinical implication:
Antibiotic likely effective in treatment (a)
Possible effectiveness; may require higher dose (b)
Antibiotic unlikely to be effective (c)
No zone of inhibition (d)
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