Mycology exam 3 – Flashcards
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| True or False: The Yeast Phase is the Ix phase w/ thermally dimorphic fungi |
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| False Mycelial phase is |
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| T or F Thermally dimorphic fungi are closely related by taxonomy |
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| False |
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| Which systemic fungi does not respond well to definitive ID techniques |
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| Paracocciomyses brasilensis |
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| Which of the following fungi occurs in the midwest Blastomycosis Histoplasmosis Coccidiomycosis Paracoccidiomycosis |
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| Blastomycosis |
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| Which of the following fungi has the following disease process Respiratory -> Lytic bone lesions + Ulcerative skin lesion |
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| Blastomycosis |
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| Outdoor workers who deal with wood and soil are susceptible to which of the following fungal infections: Paecilomyces Blastomycosis Histoplasmosis Epicoccum |
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| Blastomycosis |
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| Darlings disease is another name for which fungal infection? |
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| Histoplasmosis |
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| Which organism looks like a snowstorm on CT scans? |
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| Histoplasmosis |
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| True or False: Coccidiomycoses prefers to grow in soil with increased nitrogen |
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| False Histoplasmosis |
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| Which of the following fungi is prevalent in the Ohio Valley Blastomycosis Histoplasmosis Coccidiomycosis Paracoccidiomycosis |
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| Histoplasmosis |
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| Which of the following fungi is prevalent in the San Joaquin Valley Blastomycosis Histoplasmosis Coccidomycosis Paracoccidomycosis |
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| Coccidomycosis |
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| Which of the following fungi is prevalent in South America Blastomycosis Histoplasmosis Coccidomycosis Paracoccidomycosis |
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| Paracoccidomycosis |
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| Which systemic fungi tends to travel to the central nervous system? |
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| Coccidomycosis |
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| Which of the following fungi prefers to grow in humidity and acidic soil Blastomycosis Histoplasmosis Coccidomycosis Paracoccidomycosis |
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| Paracoccidomycosis |
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| True or False 90% Paracoccidomycosis infections are seen in women |
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| False Men |
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| True or False: One of the symptoms of Paracoccidomycosis is ulcerative lesions of the oral and nasal cavities. |
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| True |
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| True or False: The mycelial phase of B. dermatidis is the Dx phase |
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| False The tissue Phase |
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| What is the appearance of the Dx phase of B. dermatidis |
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| double walled broad budding yeast |
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| Which phase is the Dx stage for H. capsulatum and what is microscopically significant about this phase? |
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| Mycelial phase - tuberculate macroconidia |
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| Alternating arthroconidia is seen in which phase of which organism? |
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| Mycelial phase of C. immitis |
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| Spherules w/ endospores is seen in which phase of which organism? |
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| Tissue Phase of C. immitis |
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| What is the appearance of the yeast phase of C. immitis? |
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| Trick question, there is not yeast phase |
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| What is the Dx stage of Paracoccidomycosis and what does it appear to look like? |
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| Tissue phase - looks like ships wheel |
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| True or False: The Dx stage of Paracoccidomycosis infections is the myceliial phase. |
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| False Tissue phase is Dx |
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| What is one likely to find Sepedonium? |
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| Mushrooms |
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| True or False: Sepedonium fungi are dimorphic? |
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| False |
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| True or False: There is not any serological reaction with Sepedonium fungi in serum |
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| true |
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| Which infection displays canoe shaped macroconidia? |
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| F. keratitis |
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| Neutropenia is often seen in what type of infection? |
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| F. keratitis of those who are immunocompromised |
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| Moldy corn is often associated with what infection? |
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| F. keratitis |
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| Which fungi is associated with allergies? |
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| Epicoccum |
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| Sporochia are associated with which fungi? |
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| Epicoccum |
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| Which fungi contains metulae? |
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| Gliocladium |
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| Which fungi contains phialides and penicillius and appears grass-green? (limited to lecture 10) |
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| Gliocladium |
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| Which fungi appears to have urn shaped conidiospores? |
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| Nigrospora |
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| Which fungi appears as a ripe olive? |
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| Nigrospora |
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| This fungi can be found in soil and decomposing fungi? |
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| Paecilomyces |
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| Which organism is this describing: Very open penicillus, chain of oval phialoconidia, long slender phialide |
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| Paecilomyces |
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| What is a risk factor for paecilomyces? |
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| organ transplant |
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| What is the appearance/color on agar for scophilariopsis? |
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| white/tan |
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| Scophlariopsis conidia is often described as...? |
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| Basopedal |
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| Echinates? |
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| Spiny old conidia seen with scophlariopsis |
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| Truncate: |
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| Flat bottomed conidia seen with scophlariopsis |
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| T or F Penicillium marneffei is monomorphic |
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| False: Dimorphic |
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| Papules and umbilical lesions are seen in which fungi? |
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| Penicillium marneffei |
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| Which fungi from lecture 11 is known as an ascomyte? |
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| Pneumocystis jiroveci |
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| What does a Giemsa stain of BAL reveal with Pneumocystis jiroveci? |
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| nuclei in trophs Cysts |
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| What does a GMS stain of pneumocystis jiroveci reveal? |
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| Cysts in lungs |
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| Vase shaped phialides are seen in which fungi? |
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| P. verrcose |
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| T or F Wangiella is nitrate negative |
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| true |
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| t or f Wangiella is a shiny black yeast w/ rare mycelia |
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| true |
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| t or f Wangiella does not grow at 42 C |
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| False It does |
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| t or f Wangeilla is a cause of phaechypomycosis |
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| True |
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| T or f Exophiala is nitrate negative |
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| false positive |
