Review Questions

Question 1

Immunosuppressed, smoker, old guys w/ Legionella need treatment
What is used?

Answer 1

• -Fluoroquinolones

- -Macrolides

Question 2

Ohio area, low fever, malaise, fatigue, heaped-up skin lesions w/ violaceous hue and sharply demarcated border, some crusted, purulent material shows yeast.
What organism?

Answer 2

Bastomycosis

Blasto mycosis B’s
Broad Based Budding yeast

Tx = -azoles or amphoterocin B

Question 3

AIDS defining illness found in pigeon droppings

Answer 3

Cryptococcus

India Ink stain CSF and Latex agglutination test

Question 4

Thermal Dimorphs:
Mold in Cold
Yeast in Heat?
Spherule in heat?

Answer 4

All systemic mycoses mold in cold

Spherule = Coccidioides

Question 5

Coccidiomycosis red, tender nodules are on [flexor/extensor] nodules of [upper/lower] extremities

Answer 5

Extensor, lower

Question 6

Is a rash a good or bad prognostic indicator for a coccidioides infection?

Answer 6

Good – rash = hypersensitivity

Question 7

Which systemic mycosis is associated w/ starlings (birds) and bats

Answer 7

Histoplasma

Question 8

What systemic mycosis is associated w/ pigeons?

Answer 8

Cryptococcus

Question 9

Cryptococcus infection most likely causes what?

• -Pneumonia
• -Sinusitis
• -Skin infection
• -Meningitis

Answer 9

Meningitis

Question 10

What mycosis has a banana shape?

Answer 10

Fusarium

Question 11

What group of atypical mycobacteria is associated w/ aquariums?

Answer 11

Photochromogens = M. kansasii, M. marinum

Question 12

What group of atypical mycobacteria is associated w/ scrofula in kids?

Answer 12

Scotochromogens = M. scrofulaceum