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Mycology exam 3
exam 3
54
Microbiology
Not Applicable
04/28/2013

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Cards

Term
True or False:

The Yeast Phase is the Ix phase w/ thermally dimorphic fungi
Definition
False

Mycelial phase is
Term
T or F

Thermally dimorphic fungi are closely related by taxonomy
Definition
False
Term
Which systemic fungi does not respond well to definitive ID techniques
Definition
Paracocciomyses brasilensis
Term
Which of the following fungi occurs in the midwest

Blastomycosis
Histoplasmosis
Coccidiomycosis
Paracoccidiomycosis
Definition
Blastomycosis
Term
Which of the following fungi has the following disease process

Respiratory -> Lytic bone lesions + Ulcerative skin lesion
Definition
Blastomycosis
Term
Outdoor workers who deal with wood and soil are susceptible to which of the following fungal infections:

Paecilomyces
Blastomycosis
Histoplasmosis
Epicoccum
Definition
Blastomycosis
Term
Darlings disease is another name for which fungal infection?
Definition
Histoplasmosis
Term
Which organism looks like a snowstorm on CT scans?
Definition
Histoplasmosis
Term
True or False:

Coccidiomycoses prefers to grow in soil with increased nitrogen
Definition
False

Histoplasmosis
Term
Which of the following fungi is prevalent in the Ohio Valley

Blastomycosis
Histoplasmosis
Coccidiomycosis
Paracoccidiomycosis
Definition
Histoplasmosis
Term
Which of the following fungi is prevalent in the San Joaquin Valley?

Blastomycosis
Histoplasmosis
Coccidomycosis
Paracoccidomycosis
Definition
Coccidomycosis
Term
Which of the following fungi is prevalent in South America?

Blastomycosis
Histoplasmosis
Coccidomycosis
Paracoccidomycosis
Definition
Paracoccidomycosis
Term
Which systemic fungi tends to travel to the central nervous system?
Definition
Coccidomycosis
Term
Which of the following fungi prefers to grow in humidity and acidic soil?

Blastomycosis
Histoplasmosis
Coccidomycosis
Paracoccidomycosis
Definition
Paracoccidomycosis
Term
True or False

90% Paracoccidomycosis infections are seen in women
Definition
False

Men
Term
True or False:

One of the symptoms of Paracoccidomycosis is ulcerative lesions of the oral and nasal cavities.
Definition
True
Term
True or False:

The mycelial phase of B. dermatidis is the Dx phase
Definition
False

The tissue Phase
Term
What is the appearance of the Dx phase of B. dermatidis
Definition
double walled broad budding yeast
Term
Which phase is the Dx stage for H. capsulatum and what is microscopically significant about this phase?
Definition
Mycelial phase - tuberculate macroconidia
Term
Alternating arthroconidia is seen in which phase of which organism?
Definition
Mycelial phase of C. immitis
Term
Spherules w/ endospores is seen in which phase of which organism?
Definition
Tissue Phase of C. immitis
Term
What is the appearance of the yeast phase of C. immitis?
Definition
Trick question, there is not yeast phase
Term
What is the Dx stage of Paracoccidomycosis and what does it appear to look like?
Definition
Tissue phase - looks like ships wheel
Term
True or False:

The Dx stage of Paracoccidomycosis infections is the myceliial phase.
Definition
False

Tissue phase is Dx
Term
What is one likely to find Sepedonium?
Definition
Mushrooms
Term
True or False:

Sepedonium fungi are dimorphic?
Definition
False
Term
True or False:

There is not any serological reaction with Sepedonium fungi in serum
Definition
true
Term
Which infection displays canoe shaped macroconidia?
Definition
F. keratitis
Term
Neutropenia is often seen in what type of infection?
Definition
F. keratitis of those who are immunocompromised
Term
Moldy corn is often associated with what infection?
Definition
F. keratitis
Term
Which fungi is associated with allergies?
Definition
Epicoccum
Term
Sporochia are associated with which fungi?
Definition
Epicoccum
Term
Which fungi contains metulae?
Definition
Gliocladium
Term
Which fungi contains phialides and penicillius and appears grass-green? (limited to lecture 10)
Definition
Gliocladium
Term
Which fungi appears to have urn shaped conidiospores?
Definition
Nigrospora
Term
Which fungi appears as a ripe olive?
Definition
Nigrospora
Term
This fungi can be found in soil and decomposing fungi?
Definition
Paecilomyces
Term
Which organism is this describing:

Very open penicillus, chain of oval phialoconidia, long slender phialide
Definition
Paecilomyces
Term
What is a risk factor for paecilomyces?
Definition
organ transplant
Term
What is the appearance/color on agar for scophilariopsis?
Definition
white/tan
Term
Scophlariopsis conidia is often described as...?
Definition
Basopedal
Term
Echinates?
Definition
Spiny old conidia seen with scophlariopsis
Term
Truncate:
Definition
Flat bottomed conidia seen with scophlariopsis
Term
T or F

Penicillium marneffei is monomorphic
Definition
False:

Dimorphic
Term
Papules and umbilical lesions are seen in which fungi?
Definition
Penicillium marneffei
Term
Which fungi from lecture 11 is known as an ascomyte?
Definition
Pneumocystis jiroveci
Term
What does a Giemsa stain of BAL reveal with Pneumocystis jiroveci?
Definition
nuclei in trophs
Cysts
Term
What does a GMS stain of pneumocystis jiroveci reveal?
Definition
Cysts in lungs
Term
Vase shaped phialides are seen in which fungi?
Definition
P. verrcose
Term
T or F

Wangiella is nitrate negative
Definition
true
Term
t or f

Wangiella is a shiny black yeast w/ rare mycelia
Definition
true
Term
t or f

Wangiella does not grow at 42 C
Definition
False

It does
Term
t or f

Wangeilla is a cause of phaechypomycosis
Definition
True
Term
T or f

Exophiala is nitrate negative
Definition
false

positive
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