Podcast
Questions and Answers
Which bacteria is responsible for chronic vomiting and can be contracted from rice?
Which bacteria is responsible for chronic vomiting and can be contracted from rice?
What is the infective dose of VTEC?
What is the infective dose of VTEC?
Which species causes dysentery?
Which species causes dysentery?
What is the estimated percentage of adults who are carriers of H. pylori?
What is the estimated percentage of adults who are carriers of H. pylori?
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What does the presence of GDH indicate?
What does the presence of GDH indicate?
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Study Notes
Bacterial Infections and Foodborne Illnesses
- Salmonella: Stains black on XLD agar. Causes typhoid fever.
- Bacillus cereus: Bacteria causing chronic vomiting, often associated with rice.
- Shigella: Causes dysentery.
- VTEC (Verocytotoxin-producing Escherichia coli): Infective dose is 50 cells.
- H. Pylori: Prevalence in adults is 60-90%.
- Listeria: A false statement claims its infective dose is 10-15; this is incorrect.
- Giardia (viral Gi infections): Stool sample is used for testing.
- C. difficile (Clostridium difficile): GDH (glutamate dehydrogenase) testing suggests its presence.
- Intoxication: Foodborne illness from toxins, not the bacteria itself.
- Typhoid fever: Caused by Salmonella spp. species.
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Description
This quiz covers key bacteria responsible for foodborne illnesses and infections, including their characteristics and symptoms. Test your knowledge on pathogens like Salmonella, Bacillus cereus, and others to understand their impact on human health.
