25 Questions
What should you do when you are uncertain about the significance of a bacteria from a specimen?
Discuss the situation with the attending physician
Why is it important to involve the attending physician when uncertain about bacteria significance?
To determine the best course of treatment
What is the primary concern when dealing with uncertainty about bacteria significance?
The potential impact on the patient's treatment
What is the role of the attending physician in cases of uncertainty about bacteria significance?
To make decisions about patient treatment
What is the outcome of not involving the attending physician in cases of uncertainty about bacteria significance?
Increased risk of misdiagnosis
What is the significance of distinguishing pathogenic bacteria from normal flora?
To determine the cause of the infection
What is the role of normal flora in some infections?
They may contribute to the infection
Why is it important to consider the microbial flora at the site of infection?
To understand the role of normal flora in the infection
What is the relationship between normal flora and pathogenic bacteria?
They can be distinguished from each other
What is the significance of normal flora in the context of infection?
It may be present at the site of infection
What is the process that occurs in the nucleus of eukaryotic cells?
DNA replication
Which process is responsible for creating a copy of DNA?
DNA replication
What is the term for the creation of RNA from DNA?
RNA transcription
Which process involves the creation of the cell's outer layer?
Cell wall synthesis
What is the process responsible for creating the cell's outer layer in prokaryotic cells?
Cell membrane synthesis
What is monitored in the experiment?
The micro-organism's growth or lack of growth
What is indicated by the micro-organism's growth?
Resistance to the drug
What is indicated by the micro-organism's lack of growth?
Sensitivity to the drug
Why is the micro-organism's growth or lack of growth monitored?
To determine the micro-organism's sensitivity or resistance to the drug
What is NOT monitored in the experiment?
The micro-organism's movement
What criteria are used to include bacteria in Table (1)?
Bacteria for which standardized testing procedures are available
Which organization recommends standardized testing procedures for Table (1) bacteria?
National Committee for Clinical Laboratory Standards
What is the primary purpose of Table (1)?
To outline standardized testing procedures
What is unique about the bacteria included in Table (1)?
They have standardized testing procedures
Why are standardized testing procedures important for Table (1) bacteria?
To standardize lab procedures
Study Notes
Distinguishing Bacterial Infections from Normal Flora
- Bacteria need to be differentiated from normal flora present at the site of infection
- Normal flora may be contributing to the infection in some situations
Uncertainty in Bacterial Significance
- When unsure about the significance of a bacteria from a specimen, discuss with the attending physician
- Importance of clarifying the role of bacteria in infection
Mechanisms of Antibiotic Action
- Cell wall synthesis inhibition
- Cell membrane synthesis inhibition
- DNA replication inhibition
- RNA transcription inhibition
Antibiotic Resistance and Sensitivity
- Micro-organism growth indicates resistance to the drug
- Lack of growth indicates sensitivity to the drug
- Monitoring of growth or lack of growth to determine antibiotic effectiveness
Standardized Testing for Bacterial Susceptibility
- Table (1) only includes bacteria with standardized testing procedures available
- National Committee for Clinical Laboratory Standards outlines and recommends testing procedures
This quiz covers the distinction between normal flora and infectious bacteria at the site of infection. It explores how normal flora can contribute to infection and when to distinguish between the two.
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