Gram + Branching Filamentous Rods - Nocardia

Question 1

Characterize (5): Nocardia

Answer 1

1. Gram + filamentous branching rod
2. Obligate aerobe
3. Partially acid fast
4. Catalase +
5. Urease +

Question 2

Distinguish Nocardia and Actinomyces based on oxygen requirements:

Answer 2

Nocardia is obligate aerobe

Actinomyces is Obligate anaerobe

Question 3

Where is Nocardia normally found?

Answer 3

Soil

Question 4

Name 2 groups of people Nocardia more commonly infects:

Answer 4

1. Immunocompromised

2. Men

Question 5

Describe the pulmonary symptoms associated with Nocardia

Answer 5

1. Pneumonia-like

2. Cavitary lesions

Question 6

Other than pulmonary infections, where else does Nocardia infect?

Answer 6

1. Brain abscesses

2. Skin

Question 7

Treatment for Nocardia

Answer 7

Treat with Sulfonamides