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Microbiology: The Bad Bugs Part II - Gram Negatives BIOL2700 Version 03
10 Questions
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Microbiology: The Bad Bugs Part II - Gram Negatives BIOL2700 Version 03

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Questions and Answers

What is the major virulence factor for Klebsiella pneumoniae?

  • Shiga toxin
  • Capsule (correct)
  • Flagella
  • Urease
  • Which organism is commonly found in the mouth, skin, and intestines and is associated with wound infections?

  • Proteus sp
  • Escherichia coli
  • Salmonella sp
  • Enterobacter aerogenes (correct)
  • Which pathogen is known to cause hemolytic uremia syndrome and damages kidneys in humans?

  • Escherichia coli O157:H7 (correct)
  • Klebsiella pneumoniae
  • Enterobacter aerogenes
  • Proteus sp
  • What differentiates Escherichia coli O157:H7 from most strains of E. coli common in the GI tract?

    <p>Production of Shiga toxin</p> Signup and view all the answers

    Which organism is capable of changing its shape and flagella between liquid and solid media?

    <p>Proteus sp</p> Signup and view all the answers

    What is a common factor among many strains of Escherichia coli that leads to disease?

    <p>Possession of plasmids coding for additional virulence factors</p> Signup and view all the answers

    Which organism is considered an opportunistic pathogen due to its presence primarily in the GI tract?

    <p>Enterobacter aerogenes</p> Signup and view all the answers

    Which bacterial species primarily causes wound infections and pneumonia?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    What differentiates Escherichia coli O157:H7 from other strains commonly found in the GI tract?

    <p>Production of Shiga toxin</p> Signup and view all the answers

    Which bacterial species is known for possessing plasmids that code for additional virulence factors such as Shiga toxin?

    <p>Escherichia coli</p> Signup and view all the answers

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