The Bacterial Balancing Act
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Questions and Answers

Which term is used to describe microbes that live on us and in us and do not normally cause disease?

  • Normal flora (correct)
  • Indigenous microflora
  • Opportunistic pathogens
  • Pathogens
  • What is the term used for microbes that can cause disease but usually do not?

  • Pathogens
  • Normal flora
  • Opportunistic pathogens (correct)
  • Indigenous microflora
  • Which microbe is an example of an opportunistic pathogen?

  • E. coli
  • Streptococcus
  • Clostridium difficile
  • Staphylococcus epidermidis (correct)
  • What is the term used for microbes that are awaiting the opportunity to cause disease?

    <p>Opportunistic pathogens</p> Signup and view all the answers

    Which microbe is now a common cause of infections in patients with indwelling vascular catheters?

    <p>Staphylococcus epidermidis</p> Signup and view all the answers

    Which type of media encourages the growth of very small organisms and offers different gaseous atmospheres within the same medium?

    <p>Broth media</p> Signup and view all the answers

    What is a disadvantage of using broth media?

    <p>Sub-culture to solid media is necessary to determine purity</p> Signup and view all the answers

    What is a disadvantage of using solid media?

    <p>Bacteria may be missed due to small numbers</p> Signup and view all the answers

    What advantage does solid media have over broth media?

    <p>Bacteria have unique colonial morphology</p> Signup and view all the answers

    What advantage does broth media have over solid media?

    <p>Encourages the growth of very small organisms</p> Signup and view all the answers

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