Podcast
Questions and Answers
What is the minimum inhibitory concentration?
What is the minimum inhibitory concentration?
It is the lowest concentration for inhibition of growth
What is the MBC?
What is the MBC?
The lowest concentration for killing bacteria
The MIC and the zone diameter of inhibition are _________ correlated
The MIC and the zone diameter of inhibition are _________ correlated
Inversely
What is the effect of a bactericidal?
What is the effect of a bactericidal?
What does a large MBC/MIC ratio indicate for a bacteriostatic drug?
What does a large MBC/MIC ratio indicate for a bacteriostatic drug?
When are bactericidal antibiotics indicated over bacteriostatic antibiotics?
When are bactericidal antibiotics indicated over bacteriostatic antibiotics?
What does a low MBC/MIC ratio indicate for bactericidal drugs?
What does a low MBC/MIC ratio indicate for bactericidal drugs?
Why do bacteriostatic antibiotics with a large MBC/MIC ratio require a functional immune system?
Why do bacteriostatic antibiotics with a large MBC/MIC ratio require a functional immune system?
Why should bactericidal and bacteriostatic drugs generally NOT be given together?
Why should bactericidal and bacteriostatic drugs generally NOT be given together?
What happens to bacterial killing rates when bactericidal and bacteriostatic drugs are combined?
What happens to bacterial killing rates when bactericidal and bacteriostatic drugs are combined?
How do time-dependent antibiotics achieve their effect?
How do time-dependent antibiotics achieve their effect?
What percentage of the dosing interval should a time-dependent drug remain above the MIC for optimal efficacy?
What percentage of the dosing interval should a time-dependent drug remain above the MIC for optimal efficacy?
Why does increasing the concentration of a time-dependent drug beyond the MIC NOT significantly improve efficacy?
Why does increasing the concentration of a time-dependent drug beyond the MIC NOT significantly improve efficacy?
Which of the following is true about time-dependent antibiotics?
Which of the following is true about time-dependent antibiotics?
What is the primary factor that determines the efficacy of concentration-dependent antibiotics?
What is the primary factor that determines the efficacy of concentration-dependent antibiotics?
Why is it NOT beneficial to maintain a high concentration of a concentration-dependent drug for prolonged periods?
Why is it NOT beneficial to maintain a high concentration of a concentration-dependent drug for prolonged periods?
How does the mechanism of concentration-dependent drugs differ from time-dependent drugs?
How does the mechanism of concentration-dependent drugs differ from time-dependent drugs?
What is a common feature of concentration-dependent antibiotics?
What is a common feature of concentration-dependent antibiotics?
What is the post-antibiotic effect (PAE)?
What is the post-antibiotic effect (PAE)?
Why do drugs with long post-antibiotic effects (PAE) need to be dosed less frequently?
Why do drugs with long post-antibiotic effects (PAE) need to be dosed less frequently?
Which of the following is true about antibiotics with short PAE?
Which of the following is true about antibiotics with short PAE?
What are the common routes of administration?
What are the common routes of administration?
What is the most common side effect of antibiotics in general?
What is the most common side effect of antibiotics in general?
List the bactericidals that are concentration dependent
List the bactericidals that are concentration dependent
List the antibiotics that have a long post antibiotic effect
List the antibiotics that have a long post antibiotic effect
List the antibiotics with an intermediate postantibiotic effect
List the antibiotics with an intermediate postantibiotic effect
Which of the following antibiotic(s) have a long postantibiotic effect and an intermediate effect?
Which of the following antibiotic(s) have a long postantibiotic effect and an intermediate effect?
Which of the following antibiotic(s) has an intermediate postantibiotic effect and a short post antibiotic effect?
Which of the following antibiotic(s) has an intermediate postantibiotic effect and a short post antibiotic effect?
Which of the following bactericidals are time dependent?
Which of the following bactericidals are time dependent?
Glycopeptides are a bactericidal that are time dependent
Glycopeptides are a bactericidal that are time dependent
What antibiotics with a bacteriostatic effect are time dependent?
What antibiotics with a bacteriostatic effect are time dependent?
Match the antibiotic to its effect
Match the antibiotic to its effect
Aminoglycosides have a _______________ (bactericidal/bacteriostatic) effect
Aminoglycosides have a _______________ (bactericidal/bacteriostatic) effect
Diaminopyrimidines have a ___________________ (bactericidal/bacteriostatic) effect
Diaminopyrimidines have a ___________________ (bactericidal/bacteriostatic) effect
In general, folic acid synthesis inhibitors have a bactericidal effect
In general, folic acid synthesis inhibitors have a bactericidal effect
The antibiotic rifampin , can have both bactericidal and bacteriostatic effects
The antibiotic rifampin , can have both bactericidal and bacteriostatic effects
Metronidazole has a __________________ (bactericidal/bacteriostatic) effect
Metronidazole has a __________________ (bactericidal/bacteriostatic) effect
Tetracyclines inhibit protein synthesis
Tetracyclines inhibit protein synthesis
Aminoglycosides impair proofreading, resulting in production of faulty proteins
Aminoglycosides impair proofreading, resulting in production of faulty proteins
Flashcards
What is MIC?
What is MIC?
Lowest concentration of an antimicrobial that inhibits bacterial growth.
What is MBC?
What is MBC?
Lowest concentration of an antimicrobial that kills bacteria.
MIC and zone diameter correlation.
MIC and zone diameter correlation.
They are inversely related: higher MIC means smaller inhibition zone
What is a bactericidal?
What is a bactericidal?
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Large MBC/MIC ratio meaning
Large MBC/MIC ratio meaning
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Bactericidal use cases
Bactericidal use cases
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Low MBC/MIC ratio meaning
Low MBC/MIC ratio meaning
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Bacteriostatic Immune Requirement
Bacteriostatic Immune Requirement
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Why not combine?
Why not combine?
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Time-dependent antibiotics
Time-dependent antibiotics
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Optimal time above MIC
Optimal time above MIC
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Concentration-dependent antibiotics
Concentration-dependent antibiotics
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High concentration risk
High concentration risk
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Concentration vs Time
Concentration vs Time
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Concentration Dependent PAE
Concentration Dependent PAE
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What is PAE?
What is PAE?
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Long PAE frequency
Long PAE frequency
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Short PAE dosing
Short PAE dosing
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Common routes of administration
Common routes of administration
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Most common side effect
Most common side effect
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Concentration Dependent Bactericidals
Concentration Dependent Bactericidals
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Antibiotics with long PAE
Antibiotics with long PAE
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Antibiotics with intermediate PAE
Antibiotics with intermediate PAE
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Beta lactam
Beta lactam
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Bacteriostatic Time Dependent
Bacteriostatic Time Dependent
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Aminoglycosides effect
Aminoglycosides effect
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Diaminopyrimidines effect
Diaminopyrimidines effect
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Aminoglycosides impairment
Aminoglycosides impairment
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