Normal Flora of the Human Body Microbiology & Parasitology Quiz
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Questions and Answers

Which term refers to the microorganisms that make up our indigenous microflora?

  • Commensal flora
  • Normal flora (correct)
  • Pathogenic flora
  • Transient flora
  • Which of the following is considered part of the resident flora of the human hands?

  • Candida species
  • Clostridium difficile
  • Methicillin-resistant Staphylococcus aureus
  • Propionibacterium species (correct)
  • Which microorganism is commonly found in the human oral cavity as part of the normal flora?

  • Staphylococcus aureus
  • Prevotella species
  • Enterobacteriaceae
  • Viridans streptococci (correct)
  • Which of the following is part of the transient flora of the human hands?

    <p>Methicillin-resistant Staphylococcus aureus</p> Signup and view all the answers

    Which microorganism is commonly found in the human scalp as part of the normal flora?

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

    Which microorganism is commonly found in the human nares as part of the normal flora?

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

    What is the main characteristic of resident flora?

    <p>They are regularly found in a specific area of the body</p> Signup and view all the answers

    Why are transient microbes temporary in the body?

    <p>They fail to survive in the environment of the site</p> Signup and view all the answers

    Where do anaerobes primarily live on the skin?

    <p>In the deeper layers of the skin</p> Signup and view all the answers

    Which bacteria are most commonly found on the skin?

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

    What factors determine the number and variety of microorganisms present on the skin?

    <p>Presence of chemical wastes</p> Signup and view all the answers

    What is a characteristic of Staphylococcus epidermidis regarding skin flora?

    <p>Accounts for 90% of the resident aerobic flora on the skin</p> Signup and view all the answers

    Where are gram-negative bacilli like Escherichia coli commonly seen on the skin?

    <p>(On) Toe webs and axilla</p> Signup and view all the answers

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