Agents Causing Systemic and Opportunistic Mycoses Quiz
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Questions and Answers

What is the primary mode of transmission for opportunistic mycoses?

  • Direct contact with infected individuals
  • Vector-borne transmission
  • Inhalation of fungal spores (correct)
  • Ingestion of contaminated food or water

Which of the following is NOT a primary systemic mycosis?

  • Blastomycosis
  • Candidiasis (correct)
  • Histoplasmosis
  • Coccidioidomycosis

How is Coccidioidomycosis primarily acquired?

  • Ingestion of contaminated food
  • Vector-borne transmission
  • Inhalation of infective arthroconidia (correct)
  • Direct contact with infected individuals

Which characteristic helps in identifying fungal agents causing mycoses?

<p>Conversion of mycelial to yeast phase (B)</p> Signup and view all the answers

What is the primary etiologic agent of Coccidioidomycosis?

<p>Coccidioides immitis (B)</p> Signup and view all the answers

Which characteristic is observed in the yeast phase of Coccidioides immitis?

<p>Endospores within large, round spherules (C)</p> Signup and view all the answers

What safety precautions should be observed when handling C.immitis cultures?

<p>Cultures should be sealed in tape if the specimen is suspected of containing C.immitis (B)</p> Signup and view all the answers

Which fungal infection is characterized by cavitary lesions that resemble tuberculosis?

<p>Histoplasmosis (B)</p> Signup and view all the answers

How is Histoplasma capsulatum primarily acquired?

<p>By inhalation of infective conidia from the environment (B)</p> Signup and view all the answers

Which statement about histoplasmosis is false?

<p>Histoplasma capsulatum is easily visualized in sputum samples (A)</p> Signup and view all the answers

Which phase of Histoplasma capsulatum displays yeast cells intracellularly within macrophages?

<p>Yeast phase (C)</p> Signup and view all the answers

What is a characteristic feature of Blastomyces dermatitidis infection?

<p>'Chronic and granulomatous infection involving the lungs and skin (A)</p> Signup and view all the answers

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