10 Questions
What is the role of EAEC pili (AAF) in adherence?
Mediate tight adherence to the intestinal mucosa
How is E coli typically diagnosed in culture according to the text?
MacConkey agar culture
What is a disadvantage of using immunoassay and nucleic acid amplification methods for diagnosing intestinal diseases?
Limited positive predictive value due to positive results in healthy persons
What is the recommended treatment for acute uncomplicated UTIs due to widespread resistance to earlier agents?
Bactrim (TMP-SMX) and fluoroquinolones
What is usually the treatment approach for most cases of E coli diarrheas?
Rehydration and supportive measures
Which E coli infection can be treated with TMP-SMX or fluoroquinolones to reduce the duration of diarrhea?
ETEC, EIEC, and EPEC infection
What makes sorbitol fermentation useful in detecting EHEC?
Detects the most common EHEC serotype
What do immunoassay and nucleic acid amplification methods aim to detect?
Toxins (LT, ST, Stx) or genes associated with virulence
Which type of antibiotic should be selected based on antimicrobial susceptibility testing of the patient’s isolate?
The antibiotic with the highest resistance rate in the community
In what type of UTI are Bactrim (TMP-SMX) and fluoroquinolones commonly used due to resistance?
Uncomplicated UTIs
Explore the external and endogenous sources of infection, including how bacteria from any source entering the blood may cause endotoxic shock. Learn about Escherichia coli and its characteristics such as lactose fermentation and indole production.
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