Dimorphic fungi — Flashcards

Flashcard 21: Coccidioides is a(n) _____ fungus, as its form changes based on the temperature of its environment.

Answer: dimorphic

Flashcard 22: A(n) _____ infection is called Sporotrichosis

Answer: Sporothrix schenckii

Flashcard 23: Histoplasma are _____ RBCs

Answer: smaller than

Flashcard 24: Blastomycosis is a(n) _____ fungus that changes form with different temperatures

Answer: dimorphic

Flashcard 25: _____ or culture provides a definitive diagnosis of histoplasmosis, blastomycosis, and coccidioidomycosis.

Answer: Microscopic examination

Flashcard 26: Coccidioides exists as a _____ in the soil and as _____ in the body, which can rupture and spread throughout the lungs and rest of the body?

Answer: mold

Extra: Coccidioides immitis is unique among dimorphic fungi because it forms **spherules** (not yeasts) in the tissue. These spherules are much larger than RBCs and are filled with endospores.

Flashcard 27: Histoplasma, Blastomyces, and most* other systemic fungi are found in the _____ form in soil and the _____ form in the body

Answer: mold

Flashcard 28: _____ and _____ rapid antigen tests can also be used to detect Histoplasma

Answer: Serum

Flashcard 29: Aspergillus fumigatus is not dimorphic and occurs only as _____

Answer: molds

Flashcard 30: Mucosal ulcers in the upper respiratory tract and mouth is characteristic of _____

Answer: Paracoccidioidomycosis