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Which of the following statements is true about most types of Escherichia coli?
Which of the following statements is true about most types of Escherichia coli?
- They are harmless or cause relatively brief diarrhea. (correct)
- They are harmful and cause severe illness.
- They always cause severe stomach cramps and vomiting.
- They are not found in the intestines of healthy people and animals.
What can a few strains of Escherichia coli, such as E. coli O157:H7, cause?
What can a few strains of Escherichia coli, such as E. coli O157:H7, cause?
- Brief diarrhea
- Mild headache
- Skin rash
- Severe stomach cramps, bloody diarrhea, and vomiting (correct)
How might you be exposed to Escherichia coli?
How might you be exposed to Escherichia coli?
- Through the air
- From contaminated water or food (correct)
- By direct sunlight
- By touching a clean surface
Where do Escherichia coli bacteria normally live in healthy people and animals?
Where do Escherichia coli bacteria normally live in healthy people and animals?
How long do healthy adults usually take to recover from an infection with E. coli O157:H7?
How long do healthy adults usually take to recover from an infection with E. coli O157:H7?
What type of bacteria is Escherichia coli (E. coli)?
What type of bacteria is Escherichia coli (E. coli)?
Where do most types of E. coli normally live?
Where do most types of E. coli normally live?
Which strain of E. coli can cause severe stomach cramps, bloody diarrhea, and vomiting?
Which strain of E. coli can cause severe stomach cramps, bloody diarrhea, and vomiting?
How can E. coli be contracted?
How can E. coli be contracted?
How long does it usually take for healthy adults to recover from infection with E. coli O157:H7?
How long does it usually take for healthy adults to recover from infection with E. coli O157:H7?
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Study Notes
Escherichia coli (E. coli)
- A gram-negative bacteria that normally lives in the intestines of healthy people and animals.
- Most types of E. coli are harmless or cause relatively brief diarrhea.
Harmful Strains
- A few strains, such as E. coli O157:H7, can cause severe symptoms, including:
- Stomach cramps
- Bloody diarrhea
- Vomiting
Transmission
- Exposure to E. coli can occur through:
- Contaminated water
- Contaminated food, especially:
- Raw vegetables
- Undercooked ground beef
Prognosis
- Healthy adults usually recover from infection with E. coli O157:H7 within a week.
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