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11 Cards in this Set

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Primary systemic infections come from _(a)_ source. They cannot be passed from _(b)_ to _(c)_.
a. exogenous
b. person
c. person
Histoplasmosis is caused by:
Histoplasma capsulatum.
What does histoplasmosis affect?
Symptoms of this infection vary greatly, but the disease primarily affects the lungs. Occasionally, other organs are affected —this is called disseminated histoplasmosis, and it can be fatal if untreated. Histoplasmosis is common among AIDS patients because of their lowered immune system.
Blastomycosis is caused by:
Blastomyces dermatitidis
Blastomycosis
Inhale organism from soil. It invades the lungs, multiplies, and disseminates. There are a ton of symptoms.
Coccidioidomycosis is caused by:
Coccidioides immitis
Coccidioides immitis is __(a)__ during long dry spells, then develops as a __(b)__ with long __(c)__ that break off into airborne __(d)__ when the rains come. Infxn is caused by __(e)__ of the particles.
a. dormant
b. mold
c. filaments
d. spores (arthroconidia)
e. inhalation
T/F Coccidioides immitis is dimorphic
True
C. immitis is a __(a)__ saprophytic organism that grows as a __(b)__ in the __(c)__ and produces a __(d)__ form in the host organism.
a. dimorphic
b. mycelium
c. soil
d. spherule
Paracoccidioidomycosis - why are men more susceptible than women?
It rarely causes disease in fertile-age women. They found a protein in the mycelia that estrogen deactivates.
T/F Many cases of paracoccioidomycosis are entirely asymptomatic.
True