Chapter 21: Infections Caused By Anaerobic Bacteria

Question 1

Anaerobic bacteria that causes BRAIN ABSCESSES

Answer 1

Peptostreptococci

Fusobacterium nucleatum

Question 2

Anaerobic bacteria that causes oropharyngeal infections

Answer 2

Oropharyngeal anaerobes:

1. Actinomyces
2. Prevotella melaninogenica
3. Fusobacterium species

Question 3

Anaerobic bacteria that causes pleuropulmonary infections

Answer 3

Peptostreptococci
Fusobacterium species
Prevotella melaninogenica
Bacteroides fragilis (20-25%)

Question 4

Anaerobic bacteria that causes liver abscess

Answer 4

Mixed anaerobes 40-90%; facultative organisms

Question 5

Anaerobic bacteria that causes abdominal abscess

Answer 5

Bacteroides fragilis

Other gastrointestinal flora

Question 6

Anaerobic bacteria that causes VULVAR abscesses

Answer 6

Peptostreptococci and others

Question 7

Anaerobic bacteria that causes tubo-ovarian and pelvic abscesses

Answer 7

Prevotella sp.

Peptostreptococci

Question 8

Anaerobic bacteria that causes skin,soft tissue and bone infections

Answer 8

Mixed anaerobic flora

Proprionibacterium acnes

Question 9

Anaerobic bacteria that causes BACTEREMIA

Answer 9

Bacteroides fragilis 
Peptostreptococci 
Propionibacteria
Fusobacteria
Clostridium

Question 10

Anaerobic bacteria that causes endocarditis

Answer 10

Bacteroides fragilis

Actinomyces