YEASTS + BACTERIA-LIKE FUNGI

Question 1

Give the yeast specie with the given data:

• Cutaneous infections such as oral thrush or vaginitis, but can become systemic.
• ID by positive germ tube test, or production of chlamydospore on cornmeal agar.

Answer 1

Candida albicans

Question 2

Give the yeast specie with the given data:

• Associated with pigeon feces.
• Has thick capsule.
• Grows at 37 degrees & produces melanin-like pigment on caffeic acid agar.
• ID in CSF by India ink stain for capsule.

Answer 2

Cryptococcus neoformans

Question 3

Give the yeast specie with the given data:

• Commonly present in GI tract.
• Implicated in respiratory infections; frequently as a secondary invader.
• Causes disease in the immunosuppressed.
• Produces arthrospores.

Answer 3

Geotrichum spp.

Question 4

This bacteria-like fungi specie produce sulfur granules.

Answer 4

Actinomyces israeli

Question 5

This bacteria-like fungi specie often require special media, stains, & conditions for growth, i.e. anaerobic.

Answer 5

Actinomycetes spp.

Question 6

Nocardia spp. are acid-fast. True or False?

Answer 6

True