Nocardia

Question 1

Immunocompetent: skin infections.
Immunocompromised: invasive pulmonary & disseminated infections.

Answer 1

Nocardia

Question 2

Fine branching f ilaments with fragmentation. Often beaded.

Answer 2

Nocardia

Question 3

Slow-growing. On SBA wrinkled, dry, crumbly, chalky white to orange-tan, beta hemolytic.

Answer 3

Nocardia

Question 4

Nocardia:
Catalase / AFB

Answer 4

(+)(+)

Question 5

Nocardia that has most common species to cause skin infections.

Answer 5

N. brasiliensis

Question 6

Nocardia that is the most common species to cause lung infections.

Answer 6

N. asteroides