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Flashcards in Lab Exam 1 Deck (37):
1

In the staph family, which organism is most likely to be found in wounds on a horse?

Staph pseudointermedius

2

Which organism causes bumblefoot in an avian?

Staph aureus

3

Where can staph aureus and staph pseudointermedius be found on a found?  Which is more likely?

Staph pseudointermedius more common!!!!!

Skin infection

Pustular dermatitis

Lick dermatitis

Wound

Ear

Urogenital

 

4

What are the coagulase positive staphs?

Staph aureus

Staph pseudointermedius

Staph schleiferi (50/50)

Staph hyicus (50/50)

5

What are the VP positive staphs?

Staph aureus

Staph epidermidis

Staph schleiferi

6

Which of the staphs are DZ hemolysis?

Staph aureus

Staph pseudointermedius

Staph schleiferi

7

Which organism is associated with pyoderma in a dog?

Staph schleiferi

8

Which 4 organisms might be associated with otitis externa (an ear infection) in a dog?

  1. Staph schleiferi
  2. Corynebacterium auriscanis
  3. Staph aureus
  4. Staph pseudointermedius

9

Which organism causes greasy pig disease?

Staph hyicus

10

What might go along with greasy pig disease?

Septic polyarthritis

11

Which organism is known to cause biofilm build up on intravenous catheters?

Staph epidermidis

12

Which organism is responsible for the majority of goat mastitis cases?

Staph epidermidis

13

Which organism is responsible for the majority of mild to subclinical mastitis cases in cattle?

Staph epidermidis

14

What is the positive control in the CAMP test?

Strep agalactiae 

15

What is the negative control in the CAMP test?

Strep pyogenes

16

What are the differences between Strep pyogenes and Strep agalactiae?

  1. Strep pyogenes
    • Causes necrotizing fasciitis
    • CAMP (-)
  2. Strep agalactiae
    • Causes mastitis
    • CAMP (+)

17

Which organism causes metritis and cervicitis in sows?

Strep equisimilis

18

Which type of infections can Strep equisimilis cause?

Dog: repro tract infections

Horse: meningitis, repro tract infections, metritis, cervicitis

Sows: meningitis, repro tract infections, metritis, cervicitis

19

What is the cause of STRANGLES in horses?

Strep equi

20

Where is Strep equi normally found in a healthy horse?

Upper respiratory tract

Reproductive tract

21

What does Strep equisimilis cause in horses and pigs?  Which other organism has a similar affect on pigs?

Meningitis

Repro tract infections

(Strep suis ALSO causes meningitis in pigs)

22

Which species can Strep equisimilis affect?

Horse

Pig

Dog

23

Which organism causes hemorrhage pneumonia in a dog?

Strep zooepidemicus

24

Which organism would cause a young pig to be DOWN and PADDLING?

Strep suis

25

Which organism could cause a turkey to look "uglier than normal" and have a swollen head?

Erysipelothrix rhusiopathiae

26

What are the results for Erysipelothrix rhusiopathiae below:

  1. H2S
  2. Dextrose
  3. Lactose
  4. Sucrose
  5. Catalase
  6. Urease

  1. HS2 +
  2. Dextrose +
  3. Lactose +
  4. Sucrose -
  5. Catalase -
  6. Urease -

27

What are the results below for Listeria monocytogenes?

  1. Dextrose
  2. Sucrose
  3. Lactose
  4. Catalase
  5. Urease

  1. Dextrose +
  2. Sucrose +
  3. Lactose +
  4. Catalse +
  5. Urease -

28

Which organism is positive for casein agar digestion?

Trueperella pyogenes

 

29

Which organism causes pigeon fever in the horse?

Corynebacterium pseudotuberculosis

30

Which organism causes caseous lymphandenitis in sheep and goats?

Corynebacterium pseudointermedius

31

Which organism causes ulcerative lymphagenitis in the horse?

Corynebacterium pseudotuberculosis

32

Which organisms are definitively (-) for sucrose and lactose fermentation?

  1. Corynebacterium auriscanis
  2. Rhodococcus equi
  3. Corynebacterium renale

33

Which organism is so CAMP (+) that it extends to the opposite side of the staph aureus line?

Rhodococcus equi

34

Which streps are penicillin sensitive?

  1. Strep pyogenes
  2. Strep agalactiae
  3. Strep equi

35

Which streps are alpha hemolytic?

Strep suis

Strep dysgalactiae

Strep uberis

36

What is the most common pathogen of wounds in horses?

Strep zooepidemicus

37