Cryptococcosis: Infection and Transmission
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Questions and Answers

Which of the following statements about Cryptococcus neoformans is true?

  • It is not a potential cause of meningitis.
  • It is the most common fungal infection in AIDS patients.
  • It is primarily transmitted from person to person.
  • Bird droppings, particularly pigeon droppings, serve as a reservoir for its growth. (correct)

    • What is the primary difference between Cryptococcus neoformans and Cryptococcus gattii?

  • C. neoformans primarily infects birds, while C. gattii infects humans.
  • C. neoformans is sensitive to amphotericin B, while C. gattii is resistant.
  • C. neoformans is more commonly associated with AIDS patients, while C. gattii is more common in non-immunocompromised individuals. (correct)
  • C. neoformans causes meningitis, while C. gattii does not.

    • Which of the following is a potential virulence factor of Cryptococcus neoformans?

  • Ability to produce melanin pigment.
  • Possession of a polysaccharide capsule.
  • Production of proteases and lipases.
  • All of the above. (correct)

    • What is the primary method of transmission for Cryptococcus neoformans?

    <p>Inhalation of aerosolized spores from the environment.</p> Signup and view all the answers

    Which of the following is a common symptom of cryptococcal meningitis?

    <p>Disorientation and headache.</p> Signup and view all the answers

    What is the primary method of identifying Cryptococcus species in the laboratory?

    <p>Molecular methods such as PCR or DNA sequencing.</p> Signup and view all the answers

    Which of the following antifungal drugs is commonly used to treat cryptococcosis?

    <p>Amphotericin B and flucytosine.</p> Signup and view all the answers

    Which of the following statements about Cryptococcus neoformans is false?

    <p>It is primarily transmitted through direct contact with infected individuals.</p> Signup and view all the answers

    Which of the following is a potential risk factor for acquiring a Cryptococcus neoformans infection?

    <p>All of the above.</p> Signup and view all the answers

    Which of the following statements about the treatment of cryptococcosis is true?

    <p>The precise treatment regimen depends on factors such as the stage of disease, site of infection, and whether the patient is immunocompromised.</p> Signup and view all the answers

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