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Agents Causing Systemic and Opportunistic Mycoses Quiz

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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?

Conversion of mycelial to yeast phase Signup and view all the answers

What is the primary etiologic agent of Coccidioidomycosis?

Coccidioides immitis Signup and view all the answers

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

Endospores within large, round spherules Signup and view all the answers

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

Cultures should be sealed in tape if the specimen is suspected of containing C.immitis Signup and view all the answers

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

Histoplasmosis Signup and view all the answers

How is Histoplasma capsulatum primarily acquired?

By inhalation of infective conidia from the environment Signup and view all the answers

Which statement about histoplasmosis is false?

Histoplasma capsulatum is easily visualized in sputum samples Signup and view all the answers

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

Yeast phase Signup and view all the answers

What is a characteristic feature of Blastomyces dermatitidis infection?

'Chronic and granulomatous infection involving the lungs and skin Signup and view all the answers