Flashcards in Fungi Deck (77)
How is Pneumocystis carinii transmitted?
What is the morphology of Pullalaria?
white-pink colonies turn black as they age
Which pulmonary disease is caused by Aspergillus fumigatus?
lung cavity aspergilloma (fungus ball)
How is Cryptococcus neoformans transmitted?
inhalation of bird droppings (especially pigeon)
Which peptide-containing media is useful for culturing fungi?
Identify the main risk factor associated with Cryptococcus neoformans.
What are the morphologies of Coccidoides immitis? (2)
mold in soil and spherule in tissues
What is the morphology of Cladosporium?
colonies are powdery, black, brown or dark green.
What are the major reservoirs for Histoplasma capsulatum? (2)
soil (mold form), animal tissues (yeast form).
Are most fungal spores sexual or asexual?
What lab findings are useful to help diagnose Tinea? (2)
hypae can be seen in skin scraping treated with 10% KOH; will fluoresce under UV light (wood's lamp)
What disease does C. albicans cause in IV drug users?
What are the clinical manifestations of Histoplasma capsulatum? (5)
histoplasmosis-upper respiratory tract infection may progress to pneumonia with progressive cough, night sweats, weight loss (compare TB). Also painless oral ulcers, hepatosplenomegaly and lymphadenopathy.
What are the clinical manifesations of Rhizopus?
What regions are associated with Blastomyces dermatiditis? (2)
found in the Mississippi river valley and parts of Africa
What is the major risk factor associated with cladospourium?
old, wet buildings