Host-Parasite Relationship: Basic Terms
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Host-Parasite Relationship: Basic Terms

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Questions and Answers

What is the difference between resident microbiota and transient microbiota?

  • Resident microbiota are fixed types found in a given area and transient microbiota are constantly changing (correct)
  • Resident microbiota are pathogenic while transient microbiota are nonpathogenic
  • Resident microbiota are derived from the environment while transient microbiota are part of the normal microbiota
  • Resident microbiota inhabit the skin for hours, days, or weeks while transient microbiota are regularly found in a given area at a given age

    • Which term describes a microorganism that does not cause disease and may be part of the normal microbiota?

  • Microbiota
  • Pathogen
  • Nonpathogen (correct)
  • Opportunistic pathogen

    • When does an opportunistic pathogen cause disease?

  • When the microorganism is part of the normal microbiota
  • When the patient is immunocompromised (correct)
  • When the host has strong resistance
  • When the microorganism causes a transient infection

    • What is the purpose of standard precautions?

    <p>To prevent transmission of pathogens from one person to another</p> Signup and view all the answers

    Which of the following is an example of standard precautions?

    <p>Wearing personal protective equipment like gloves and gowns</p> Signup and view all the answers

    What is the role of epidemiology in studying diseases?

    <p>To collect and analyze data about infected people</p> Signup and view all the answers

    When are transmission-based precautions applied?

    <p>Only in individuals with known or suspected highly transmissible infections</p> Signup and view all the answers

    Which of the following is NOT one of Koch's Postulates for establishing the cause of a disease?

    <p>The pathogen must produce symptoms or changes in body function in the infected person</p> Signup and view all the answers

    Why is Treponema pallidum considered an exception to Koch’s Postulates?

    <p>It has unique culture requirements and has never been cultured on artificial media</p> Signup and view all the answers

    What distinguishes a communicable disease from a noncommunicable disease?

    <p>Communicable diseases always spread from one host to another</p> Signup and view all the answers

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