E. coli Infections
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Questions and Answers

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?

  • Brief diarrhea
  • Mild headache
  • Skin rash
  • Severe stomach cramps, bloody diarrhea, and vomiting (correct)
  • 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?

    <p>In the intestines</p> Signup and view all the answers

    How long do healthy adults usually take to recover from an infection with E. coli O157:H7?

    <p>Within a week</p> Signup and view all the answers

    What type of bacteria is Escherichia coli (E. coli)?

    <p>Gram negative</p> Signup and view all the answers

    Where do most types of E. coli normally live?

    <p>In the intestines</p> Signup and view all the answers

    Which strain of E. coli can cause severe stomach cramps, bloody diarrhea, and vomiting?

    <p>E. coli O157:H7</p> Signup and view all the answers

    How can E. coli be contracted?

    <p>Eating raw vegetables and undercooked ground beef</p> Signup and view all the answers

    How long does it usually take for healthy adults to recover from infection with E. coli O157:H7?

    <p>Within a week</p> Signup and view all the answers

    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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    Description

    Learn about the bacterium Escherichia coli, its normal habitat, and the symptoms of its harmful strains. Understand how to get infected and how healthy adults can recover from it.

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