ch 17, bacteroides, tannerella, porphyromonas, and prevotella

Question 1

Black-pigmented anaerobes include

Answer 1

tannerella, porphyromonas, and prevotella

Question 2

Bacteroides fragilis habitat and pathogenicity

Answer 2

intestine,

pathogenicity- endotoxin and proteases

Question 3

what provides bacteroides resistance to penicilin?

Answer 3

beta-lactamase

Question 4

Tannerella habitat

Answer 4

found supragingivally and subgingivally(more common), its a consensus periodontal pathogen with its degree of isolation related to periodontal pocket depth.

Question 5

pathogenicity of tannerella

Answer 5

includes endotoxin, fatty acid, and methylglyoxal production

Question 6

porphyromonas habitat

Answer 6

subgingivally and considered another consensus periodontal pathogen

Question 7

pathogenicity of porphyromonas

Answer 7

fibriae for adhesion and capsule that inhibits phagocytosis

Question 8

What bacteria are part of the red complex?

Answer 8

P. gingivalis, T. forsythia, and treponema denticola

Question 9

prevotella habitat

Answer 9

oral cavity

Question 10

what does prevotella produce from glucose?

Answer 10

acetic acid and succinic acid

Question 11

prevotella intermedia found in

prevotella nigrescens found in

Answer 11

periodontal disease

healthy gingival sites

Question 12

pathogenicity of prevotella

Answer 12

P. intermedia is part of the orange complex which includes bacteria associated with the developmental stages of periodontal disease and precedes the red complex