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Questions and Answers
Questions and Answers
What does CFU stand for in microbiology?
What does CFU stand for in microbiology?
- Cell Forming Unit
- Colony Focus Unit
- Colony-Forming Unit (correct)
- Concentration of Formed Units
What is the significance of Minimum Inhibitory Concentration (MIC) in antimicrobial testing?
What is the significance of Minimum Inhibitory Concentration (MIC) in antimicrobial testing?
- Concentration at which resistance appears
- Concentration necessary for complete eradication of bacteria
- Lowest concentration inhibiting visible growth (correct)
- Highest concentration that promotes visible growth
What does the term 'Minimum Bactericidal Concentration (MBC)' refer to?
What does the term 'Minimum Bactericidal Concentration (MBC)' refer to?
- Maximum concentration where bacteria survive
- Concentration at which resistance becomes irrelevant
- Lowest concentration causing significant bactericidal activity (correct)
- Lowest concentration resulting in visible growth inhibition
What is the range for the frequency of resistant mutants among viable bacterial cells?
What is the range for the frequency of resistant mutants among viable bacterial cells?
What is the primary purpose of breakpoints in antimicrobial susceptibility testing?
What is the primary purpose of breakpoints in antimicrobial susceptibility testing?
Why is susceptibility not a guarantee of therapeutic success with antibiotics?
Why is susceptibility not a guarantee of therapeutic success with antibiotics?
What does an MIC of 2 μg/ml really signify?
What does an MIC of 2 μg/ml really signify?
What is the significance of Susceptible Dose Dependent (SDD) for certain drugs?
What is the significance of Susceptible Dose Dependent (SDD) for certain drugs?
Which committee is responsible for determining breakpoints for antibiotics?
Which committee is responsible for determining breakpoints for antibiotics?
What is the major disadvantage of Microbroth Dilution Method compared to Macrobroth Dilution Method?
What is the major disadvantage of Microbroth Dilution Method compared to Macrobroth Dilution Method?
What is the purpose of the Inoculum Effect in relation to a MIC test?
What is the purpose of the Inoculum Effect in relation to a MIC test?
Which testing method is described as 'like taking a poll' in terms of sample size accuracy?
Which testing method is described as 'like taking a poll' in terms of sample size accuracy?
Why is it crucial to detect resistance in pathogens?
Why is it crucial to detect resistance in pathogens?
What is a significant consequence of undetected resistance?
What is a significant consequence of undetected resistance?
Which type of infection involves "~25% of all infections in ICU"?
Which type of infection involves "~25% of all infections in ICU"?
What percentage of hospital acquired pneumonia cases involve gram-negative bacteria?
What percentage of hospital acquired pneumonia cases involve gram-negative bacteria?
Why is Hospital Acquired Pneumonia (HAP) particularly challenging to diagnose?
Why is Hospital Acquired Pneumonia (HAP) particularly challenging to diagnose?
What microbial etiology complicates the diagnosis of Hospital Acquired Pneumonia (HAP)?
What microbial etiology complicates the diagnosis of Hospital Acquired Pneumonia (HAP)?
What type of testing is necessary to identify resistance mechanisms?
What type of testing is necessary to identify resistance mechanisms?
What is a key feature of molecular diagnostic testing?
What is a key feature of molecular diagnostic testing?
What are some common types of infections that may require rapid pathogen identification?
What are some common types of infections that may require rapid pathogen identification?
What is a potential consequence of inadequate therapy for S.pneumoniae infections?
What is a potential consequence of inadequate therapy for S.pneumoniae infections?
What is a disadvantage of the agar dilution method mentioned in the text?
What is a disadvantage of the agar dilution method mentioned in the text?
Which method involves applying a plastic strip coated with an antibiotic gradient?
Which method involves applying a plastic strip coated with an antibiotic gradient?
What is a common drawback of qualitative disk diffusion assays?
What is a common drawback of qualitative disk diffusion assays?
What is the aim of automated susceptibility tests mentioned in the text?
What is the aim of automated susceptibility tests mentioned in the text?
What can be a limitation of molecular detection of resistance genes according to the text?
What can be a limitation of molecular detection of resistance genes according to the text?
In the context provided, what can rapid susceptibility methods help determine for serious infections?
In the context provided, what can rapid susceptibility methods help determine for serious infections?
What was a significant finding in the Doern study comparing different antibacterial testing methods?
What was a significant finding in the Doern study comparing different antibacterial testing methods?
What societal impact did rapid susceptibility methods have as mentioned in the text?
What societal impact did rapid susceptibility methods have as mentioned in the text?
In the context provided, what is a concern associated with the routine use of molecular detection of resistance genes in hospitals?
In the context provided, what is a concern associated with the routine use of molecular detection of resistance genes in hospitals?
What is highlighted as a significant advantage of rapid susceptibility methods based on environmental impact?
What is highlighted as a significant advantage of rapid susceptibility methods based on environmental impact?
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