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Cryptococcosis: Infection and Transmission

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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?

Inhalation of aerosolized spores from the environment. (A) Signup and view all the answers

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

Disorientation and headache. (D) Signup and view all the answers

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

Molecular methods such as PCR or DNA sequencing. (C) Signup and view all the answers

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

Amphotericin B and flucytosine. (A) Signup and view all the answers

Which of the following statements about Cryptococcus neoformans is false?

It is primarily transmitted through direct contact with infected individuals. (B) Signup and view all the answers

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

All of the above. (D) Signup and view all the answers

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

The precise treatment regimen depends on factors such as the stage of disease, site of infection, and whether the patient is immunocompromised. (D) Signup and view all the answers