A urine culture from a patient with a urinary tract infection yields a yeast that is germ tube negative, does not produce hyphae on cornmeal agar, is urease negative, and assimilates trehalose. The most likely identification is (M62-21; Level 3):
Read DetailsAn immunocompromised patient from the mid-west became severely anemic. A bone marrow sample showed macrophages with numerous small oval yeast cells inside. Lung tissue biopsy also showed alveolar macrophages with intracellular budding yeast. Similar organisms were seen in biopsy samples of the spleen and liver. The fungal culture demonstrated large macroconidia with finger-like projections. The most likely organism involved is (M60-13, 15, 17, 21; Level 3):
Read DetailsWhich of the following Aspergillus sp. has a cinnamon brown color with smooth walled conidia that are formed at the end of two rows of phialides (biseriate) which point straight up covering at least ½ of the vesicle (M60-17, 21; Level 3)?
Read DetailsA urine culture from a patient with a urinary tract infection yields a yeast that is germ tube negative, does not produce hyphae on cornmeal agar, is urease negative, and assimilates trehalose. The most likely identification is (M62-21; Level 3):
Read DetailsA young woman went to the Emergency Room with irritated eyes. After examining her, the physician found she had an infection in both of her cornea. A culture of the lesion revealed sickle cell-shaped conidia. What is the causative agent (M60-21; Level 3)?
Read DetailsA unit of blood was donated at a local blood drive last week and tested for a variety of infectious diseases. The combination test for HIV-1 and HIV-2 was positive but with a very weak titer. What action steps should be taken next?
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