Gram Positive Branching Filamentous Rods

Question 1

ID of Actinomyces israelii
Gram —–
—– rod
obligate ——-
normal flora of the ——

Answer 1

• Positive
• filamentous rod
• anaerobe
• oral cavity

Question 2

what distinguishes Actinomyces israelii from Norcardia Asteroides

Answer 2

Actinomyces isreaelii is an obligate anaerobe while norcadia is an obligate aerobe

Question 3

Infection caused by actinomyces can be in the —– area since it is part of the normal flora of the oral cavity

Answer 3

Jaw area

Question 4

Actinomyces causes the formation of ——

Answer 4

Sinus tracts

Question 5

Treatment for actinomyces israelii

Answer 5

Penicillin G

Question 6

ID of Norcardia Asteroides
Gram ——
—— rod
obligate ——
found primarily in the —–
Catalase —–
urease ——

Answer 6

• Positive
• branching filamentous rod
• Obligate aerobe
• soil
• positive
• positive

Question 7

T or F
Norcardia does not form spores

Answer 7

T

Question 8

Norcardia predominantly infects what gender more?

Answer 8

Men

Question 9

3 sites of infection of norcardia

Answer 9

• Pulmonary
• CNS
• Cutaneous

Question 10

Pulmonary infection of norcardia
- Manifest with ——
- Associated with —– lesions in the lungs
- cause formation of ——-

Answer 10

• Manifest with pneumonia with lung abscess formation
• Associated with cavity lesions in the lungs
• can cause formation of brain abscesses

Question 11

Cutaneous symptom of norcardia

Answer 11

indurated lesions and inflammatory reactions

Question 12

Treatment of norcardia

Answer 12

Sulfonamides