6 Questions
Which organism is most likely associated with undercooked chicken?
Campylobacter jejuni
Which microorganism is least likely to be carried by humans?
Enterohemorrhagic E. coli
What is most characteristic of blood and mucus in stool?
Bacillary dysentery
Which organism can produce preformed exotoxins leading to food poisoning?
Staphylococcus aureus
Which of the following is NOT a characteristic of Salmonella?
Most produce H2S
Which medium is NOT used to cultivate N. gonorrhea?
MNYC medium
Study Notes
Food Poisoning Causes
- Ingestion of food containing preformed exotoxins can cause food poisoning, which can be produced by bacteria such as Staphylococcus aureus, Salmonella enteritidis, Listeria monocytogenes, and Clostridium difficile.
Food Poisoning Pathogens
- Consumption of undercooked chicken can result in infection with Campylobacter jejuni.
- Blood and mucus in the stool is a characteristic of Bacillary dysentery.
Bacterial Characteristics
- Salmonella is characterized by being lactose negative, grouped by O, H, and Vi antigens, and does not always produce H2S.
- Enterohemorrhagic E. coli is more likely to be carried by humans than Helicobacter pylori, Staphylococcus aureus, and Staphylococcus epidermidis.
Culture Media
- Thayer-Martin agar is a culture medium used to cultivate Neisseria gonorrhoeae, but MNYC medium is not.
Test your knowledge about the causes of food poisoning and the microorganisms responsible for it. This quiz covers various bacteria that can cause foodborne illnesses.
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