Gram Negative anaerobic bacT

Question 1

______ general term for infection w/ Fusobacterium necrophorum

Answer 1

necrobacillosus

Question 2

______ associated with footrot and liver abcesses

Answer 2

Fusobacterium necrophorum

Question 3

______ is highly correlated w/ virulence of Fusobacterium necrophorum; it is toxic to neutrophils, macrophages and heptocytes

Answer 3

Leukotoxin

Question 4

T/F Fusobacterium necrophorum has little to no ability to invade tissues on its own, but readily multiplies in damaged tissues

Answer 4

True

Question 5

______ this organism is routinely found in purulent post partum metritis

Answer 5

Fusobacterium necrophorum

Question 6

What are the 5 lesions associated with F. necrophorum in cattle?

Answer 6

Footrot
liver abscess
calf diptheria
metritis
udder/teat lesions as part of mixed infection

Question 7

______ and ______ are the swine lesions assocaited w/ fusobacterium necrophorum

Answer 7

ulcerative somatitis and bull nose

Question 8

______ used to be common in draft/pulling horses

Answer 8

F. necrophorum- Quittor

also causes thrush

Question 9

______ is the cause of contagious footrot in sheep

Answer 9

Dichelobacter nodosus

Question 10

D. nodusus produces a powerful ______ that digests the hoof, and a heat soluble factor that stimulates the growth of ______

Answer 10

protease; F. necrophorum

Question 11

T/F D. nodosus penetrates the hoof of sheep first, then F. necrophroum swoops in and wrecks havoc

Answer 11

FALSE. F necrophorum first, then D. nodosus

Question 12

______ is somewhat protective when present in a high titer against Dichelobacter nodosus

Answer 12

antibody against F antigen