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53 Cards in this Set
- Front
- Back
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fungi transmitted by the inhalation of asexual spores (2)
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Histoplasmosis
Coccidioidomycosis |
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budding yeast with pseudohyphae at 20C, i.e., in culture
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Candida albicans
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germ tube formation at 37C, i.e., human sample
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Candida albicans
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causes endocarditis in IV drug users
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Candida albicans
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causes post-antibiotic vaginitis
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Candida albicans
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causes diaper rash
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Candida albicans
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treatment for superficial Candida infection
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nystatin
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treatment for systemic Candida infection
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amphotericin B
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spherules filled with endospores
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Coccidioidomycosis
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found in SW U.S.
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Coccidioidomycosis
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found in California (San Joaquin Valley)
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Coccidioidomycosis
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found in Mississippi and Ohio river valley
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Histoplasmosis
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yeast inside macrophages
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Histoplasmosis
(Histoplasmosis Hides out within macrophages) |
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source is bird or bat droppings
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Histoplasmosis
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found in rural Latin America
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Paracoccidioidomycosis
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captain's wheel appearance
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paracoccidioidomycosis
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found in states east of the Mississippi river
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Blastomycosis
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found in Central America
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Blastomycosis
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big, broad-based budding yeast
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Blastomycosis
(small sphere being piched off) |
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dimorphic fungi (4)
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Coccidioidomycosis
Histoplasmosis Paracoccidioidomycosis Blastomycosis Cold = mold Heat = yeast |
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local infection with dimorphic fungi is treated with (2)
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fluconazole
ketoconazole |
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systemic infection with dimorphic fungi is treated with
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amphotericin B
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tinea versicolor caused by
microscopic appearance |
Malassezia furfur
spaghetti and meatballs |
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clinical apperance of tinea versicolor
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hypopigmented skin lesions
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tinea versicolor treated with (2)
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miconazole
selenium sulfide |
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tinea negra caused by
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Cladosporium werneckii
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clinical appearance of tinea negra
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brownish spots
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tinea negra treated with
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salicylic acid
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tinea pedis, cruris, corporis, and capitis caused by:
- general - specific (3) |
dermatophytes
Microsporum Trichophyton Epidermophyton |
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appearance of dermatophytes in KOH prep
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mold hyphae
(dermatophytes are not dimorphic) |
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Microsporum reservoir
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pets
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Microsporum treated with
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azoles
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fungus ball (bronchopulmonary fungal infection)
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Aspergillus fumigatus
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mold with septate hyphae that branch at 45 degrees
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Aspergillus fumigatus
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encapsulated yeast
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Cryptococcus neoformans
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found in pigeon droppings
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Cryptococcus neoformans
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stains with India ink
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Cryptococcus neoformans
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latex agglutination test detects polysaccharide capsular antigen
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Cryptococcus neoformans
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mold with irregular nonseptate hyphae branching at wide angles (>90 degrees) [2]
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Mucor
Rhizopus |
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found in ketoacidotic diabetic patients
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Mucor
Rhizopus |
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found in leukemic patients
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Mucor
Rhizopus |
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proliferate in walls of blood vessels to cause infarcation of distal tissue
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Mucor
Rhizopus |
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cause rhinocerebral abscesses
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Mucor
Rhizopus |
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causes frontal lobe abscesses
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Mucor
Rhizopus |
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fruiting body
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Aspergillus fumigatus
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narrow-based unequal budding fungus
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Cryptococcus
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opportunistic fungal infections (5)
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Candida albicans
Aspergillus fumigatus Cryptococcus neoformans Mucor Rhizopus |
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causes diffuse interstitial pneumonia
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Pneumocystis jirovecii
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methamine silver stains
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Pneumocystis jirovecii
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treatments for P. jirovecii (3)
start prophylaxis when |
TMP-SMX
pentamidine dapsone CD<200 |
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causes local pustule or ulcer with nodules along draining lymphatics, i.e., ascending lymphangitis
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Sporothrix schenckii
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cigar-shapped budding yeast in pus
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Sporothrix schenckii
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Sporothrix treated with (2)
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itraconazole
KI in milk |
