Erysipelothrix & Corynebacterium (Exam 5)

Question 1

Erysipelothrix rhusiopathiae is a gram (negative/positive) (spore/non-spore) forming _________.

Answer 1

gram-positive non-spore forming rod

Question 2

Erysipelothrix rhusiopathiae is filamentous and (motile/non-motile).

Answer 2

non-motile

Question 3

Erypsipelothrix is (alpha/beta) hemolytic.

Answer 3

alpha (initial greening)

Question 4

What is the oxygen requirement for Erysipelothrix rhusiopathiae?

Answer 4

facultative anaerobe

Question 5

Erypsipelothrix is facultative intracellular during disease of _______ and _______.

Answer 5

swine
poultry

Question 6

(T/F) Erysipelothrix rhusiopathiae is fermentative.

Answer 6

True

Question 7

Erysipelothrix rhisiopathiae produces _______ during fermentation which reacts with iron to produce a “stab line”.

Answer 7

hydrogen sulfide

Question 8

Erysipelothrix has multiple serotypes based on:

Answer 8

peptidoglycans

Question 9

Which serotypes of Erysipelothrix are most common in the US in swine?

Answer 9

serotypes 1 & 2

Question 10

Erysipelothrix Serotype 1 is associated with ________ and Serotype 2 is assoicated with _________.

Answer 10

1. septicemia
2. chronic arthritis

Question 11

Erysipelothrix can be caused by an endogenous source, where ________ can induce disease.

Answer 11

stress

Question 12

When septicemia occurs with Erysipelothrix, large numbers are shed in what 4 locations?

Answer 12

urine, vomit, feces, saliva

Question 13

Erysipelothrix survives in ________ and the environment for long periods.

Answer 13

intestines

Question 14

Erysipelothrix survives in ________ and inhibit their oxidative burst.

Answer 14

macrophages

Question 15

Erypsipelothrix procudes ________ which are anti-phagocytic and allow for survival in macrophages.

Answer 15

capsules

Question 16

Erysipelothrix uses _______ surface antigen and _______ as adherence factors.

Answer 16

SpaA
adhesin

Question 17

Swine Erysipelas can present 4 ways:

Answer 17

1. acute septicemia
2. subacute septicemia
3. chronic form
4. abortion

Question 18

Which form of Swine Erysipelas causes “Diamond Skin Disease”?

Answer 18

subacute septicemia

Question 19

Acute septicemia due to Swine Erysipelas causes widespread ___________, enlarged _______, and increased _______ fluid.

Answer 19

petechia/ecchymoses
spleen
joint

Question 20

Subacute septicemia due to Swine Erysipelas cause Diamond Skin Disease with which 2 clinical signs 2-3 days post infection?

Answer 20

1. arthritis
2. raised hemorrhage lesions

Question 21

The chronic form of Swine Erysipelas presents as _______ or vegetative ________.

Answer 21

arthritis
endocarditis

Question 22

Abortion due to Swine Erysipelas occurs in (early/late) pregnancy.

Answer 22

late

Question 23

List the 3 overall clinical signs of Swine Erysipelas.

Answer 23

septicemia, arthritis, skin lesions

Question 24

Erysipelothrix survives in the ________ of immune pigs, allowing them to become asymptomatic, chronic shedders.

Answer 24

intestine

Question 25

All fowl can become infected with Erysipelothrix rhusiopathiae but _______ develop the most serious disease.

Answer 25

turkeys

Question 26

Fowl Erysipelas is possibly spread from _______.

Answer 26

sheep

Question 27

What is the main presentation of Fowl Erysipelas?

Answer 27

septicemia

Question 28

List 3 clinical signs seen with septicemia caused by Fowl Erysipelas.

Answer 28

1. cyanotic comb/snood
2. diarrhea
3. enlarged liver/spleen

Question 29

(T/F) Human Erysipelas is caused by Erysipelothrix rhisiopathiae.

Answer 29

False! (Erysipeloid)

Question 30

In humans, Erysipelothrix is a(n) ________ _________.

Answer 30

occupational hazard

Question 31

(T/F) Humans develop a suppurative Erysipeloid infection.

Answer 31

False (non-suppurative)

Question 32

Which 2 NON-domestic species can develop acute septicemia or chronic joint & skin lesions due to Erysipelothrix infection?

Answer 32

Cetaceans
Pinnipeds

Question 33

Corynebacterium is a gram (negative/positive) irregular, _______-shaped rod.

Answer 33

gram-positive
club

Question 34

Corynebacterium is (motile/nonmotile) and (sporulating/nonsporulating).

Answer 34

non-motile
non-sporulating

Question 35

Corynebacterium _________ infects horses, goats and sheep.

Answer 35

C. pseudotuberculosis

Question 36

Corynebacterium pseudotuberculosis is made up of 2 ________, one which infects horses and the other which infects small ruminants.

Answer 36

biovars

Question 37

Biovar equi of Corynebacterium pseudotuberculosis causes _________ in horses, signified by a large pectoral abscess.

Answer 37

Pigeon Fever

Question 38

In addition to Pigeon Fever, C. pseudotuberculosis in horses can cause high mortality due to internal infections OR _________ _______ which enters via skin wounds and causes abscesses in the lymphatics system.

Answer 38

ulcerative lymphangitis

Question 39

Lancing and ________ to facilitate abscess rupture are used to treat Corynebacterium pseudotuberculosis in horses.

Answer 39

hot packs

Question 40

(T/F) Corynebacterium vaccines are available for high risk horses.

Answer 40

False (no vaccine)

Question 41

Corynebacterium pseudotuberculosis biovar ovis causes __________ ________ in sheep and goats.

Answer 41

Caseous Lymphadenitis

Question 42

Caseous Lymphadenitis of sheep & goats occur externally in (sheep/goats) and internally in (sheep/goats).

Answer 42

goats
sheep

Question 43

What characteristic appearance is often seen with Caseous Lymphadenitis?

Answer 43

onion-ring

Question 44

Which species of Corynebacterium infects cattle?

Answer 44

C. renale

Question 45

Which two diseases/syndromes does Corynebacterium renale cause in cattle?

Answer 45

1. Contagious Bovine Pyelonephritis
2. Cystitis

Question 46

(T/F) Corynebacterium renale causes ascending UTI, uremia, and death in cattle.

Answer 46

True

Question 47

Corynebacterium renale causes (high/low) morbidity and (high/low) mortality in cattle.

Answer 47

low; high