#1
Which method is commonly used for antibiotic susceptibility testing?
PCR (Polymerase Chain Reaction)
ELISA (Enzyme-Linked Immunosorbent Assay)
Disk diffusion method
Western blotting
#2
In antibiotic susceptibility testing, what does the term 'zone of inhibition' refer to?
Area of bacterial growth
Area without bacterial growth around an antibiotic disk
Minimum inhibitory concentration
Region where antibiotics are ineffective
#3
Which antibiotic susceptibility testing method is based on the measurement of bacterial turbidity?
Kirby-Bauer method
E-test
Agar dilution method
Broth microdilution method
#4
What does the term 'synergy' refer to in antibiotic susceptibility testing?
The combined effect of two antibiotics is greater than the sum of their individual effects
The antagonistic effect of antibiotics
The minimum inhibitory concentration of an antibiotic
The resistance of bacteria to multiple antibiotics
#5
Which of the following factors can affect the accuracy of antibiotic susceptibility test results?
The presence of foreign substances in the sample
The color of the agar medium
The humidity level in the laboratory
The lighting conditions during incubation
#6
What does MIC stand for in the context of antibiotic susceptibility testing?
Microbial Inhibition Concentration
Minimum Inhibitory Concentration
Maximum Inhibition Capacity
Microorganism Inactivation Criteria
#7
Which technique measures bacterial growth as an indicator of antibiotic susceptibility?
Agar dilution method
E-test
Broth microdilution method
Kirby-Bauer method
#8
Which antibiotic susceptibility testing method is based on the diffusion of antimicrobial agents through agar gel?
E-test
Hemagglutination method
Kirby-Bauer method
Broth microdilution method
#9
What is the main advantage of automated systems in antibiotic susceptibility testing?
They provide rapid results
They are cost-effective
They are resistant to errors
They allow visual observation of bacterial growth
#10
What is the significance of the term 'breakpoint' in antibiotic susceptibility testing?
It indicates the concentration of antibiotic required for inhibition
It represents the maximum bacterial growth
It marks the start of bacterial resistance
It measures the diameter of the inhibition zone
#11
What is the purpose of the Kirby-Bauer method in antibiotic susceptibility testing?
To measure MIC values
To determine bacterial concentration
To assess antibiotic sensitivity on agar
To detect antibiotic resistance genes
#12
Which of the following is a rapid method for antibiotic susceptibility testing?
Disk diffusion method
Agar dilution method
MALDI-TOF mass spectrometry
Hemagglutination method
#13
Which parameter is assessed in the E-test for antibiotic susceptibility?
Bacterial concentration
Zone of inhibition
MIC value
Broth turbidity
#14
What is the primary purpose of quality control strains in antibiotic susceptibility testing?
To determine the sensitivity of antibiotics
To ensure the accuracy and reliability of the test
To measure the minimum inhibitory concentration
To assess bacterial growth on agar plates
#15
What is the primary limitation of the agar dilution method for antibiotic susceptibility testing?
It is time-consuming
It requires specialized equipment
It is less accurate in detecting resistance
It may lead to false-positive results