anaerobic summary - jonathan

Question 1

Of the non-spore forming anaerobes, what are the gram positive rods (name 4. only 2 are important) ?

Answer 1

ACTINOMYCES (oral and GI tract. Pathogenic)
PROPIONIBACTERIUM (skin acne)
Bifidobacterium (large intestine. Rarely pathogenic)
Lactobacillus (large intestine. Not pathogenic)

Question 2

Of the non-spore forming anaerobes, what are the gram positive cocci (name 2. only one is important)?

Answer 2

PEPTOSTREPTOCOCCUS (oral, GI, and vaginal tracts. Mixed infections) chains
Peptococcus (skin and GU tracts. Mixed infections) clusters

Question 3

Of the non-spore forming anaerobes, what are the gram negative rods (name 4)?

Answer 3

Bacteroides (lower GI and female genital tracts. Abdominal infections)
Fusobacterium (mixed infections. Oral and/or GI infections)
Prevotella (oral infections)
Poryphyromonas (oral and peridontal infections)

Question 4

Of the non-spore forming anaerobes, what are the gram negative Cocci (1)?

Answer 4

Veillonella (not pathogenic)

Question 5

What obligate anaerobes are found in the dental area (4)? (periodonititis, caries, abscess) (can spread to brain)

Answer 5

Prevotella melaninogenicus
Peptostreptococcus
Actinomyces
Fusobacterium nucleatum

Question 6

What faculative anaerobe is found in the dental area (1)?

Answer 6

Streptococcus viridans

Question 7

What obligate anaerobes are found in the Upper Respiratory Tract (4)? (oral or facial abscesses, sinusitis) (can spread to brain)

Answer 7

Prevotella
Fusobacterium
Peptostreptococcus
Actinomyces (due to trauma)

Question 8

What faculative anaerobe or anaerobe are found in the Upper Respiratory Tract (2)?

Answer 8

Streptococcus

Staphylococcus

Question 9

What obligate anaerobes are found in the pulmonary area (3)? (aspiration pneumonia, lung abscess)

Answer 9

Fusobacterium
Prevotella melaninogenicus
Peptostreptococcus

Question 10

What faculative anaerobe or anaerobe are found in the Pulmonary area (2)?

Answer 10

Streptococcus
Staphylococcus (nosocomial)
Enterobactereaceae

Question 11

What obligate anaerobes cause bacteremia (4)?

Answer 11

Bacteroides fragilis
Clostridium
Fusobacterium
Peptostreptococcus

Question 12

what obligate anaerobes are found in intraabdominal abscesses (4)?

Answer 12

Bacteroides fragilis (resistant to penicillin)
Fusobacterium
Clostridium
Peptostreptococcus

Question 13

What faculative anaerobe or aerobe is found intraabdominal?

Answer 13

E. coli
Klebsiella
Proteus
Pseudomonas
Streptococcus group D

Question 14

What obligate anaerobes are found in Liver Abscesses?

Answer 14

Bacteroides
Fusobacterium
Clostridium
Peptostreptococcus

Question 15

What faculative aerobes or aerobes are found in Liver Abscesses?

Answer 15

E. coli
Klebsiella
Proteus
Enterobacter
Pseudomonas
Streptococcus group D
Staphylococcus

Question 16

What obligate aerobes are found in OB/GYN pelvic or ovarian abscesses?

Answer 16

B. fragilis
Prevotella
Fusobacterium
Peptostreptococcus

Question 17

What faculative anaerobes or aerobes are found in OB/GYN?

Answer 17

E. coli
Klebsiella
Proteus
Streptococcus group B
Staphylococcus