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Microbiology 386 > Lab Exam 1 > Flashcards

Lab Exam 1 Flashcards

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1
Q

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

A

Staph pseudointermedius

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2
Q

Which organism causes bumblefoot in an avian?

A

Staph aureus

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3
Q

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

A

Staph pseudointermedius more common!!!!!

Skin infection

Pustular dermatitis

Lick dermatitis

Wound

Ear

Urogenital

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4
Q

What are the coagulase positive staphs?

A

Staph aureus

Staph pseudointermedius

Staph schleiferi (50/50)

Staph hyicus (50/50)

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5
Q

What are the VP positive staphs?

A

Staph aureus

Staph epidermidis

Staph schleiferi

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6
Q

Which of the staphs are DZ hemolysis?

A

Staph aureus

Staph pseudointermedius

Staph schleiferi

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7
Q

Which organism is associated with pyoderma in a dog?

A

Staph schleiferi

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8
Q

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

A
  1. Staph schleiferi
  2. Corynebacterium auriscanis
  3. Staph aureus
  4. Staph pseudointermedius
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9
Q

Which organism causes greasy pig disease?

A

Staph hyicus

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10
Q

What might go along with greasy pig disease?

A

Septic polyarthritis

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11
Q

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

A

Staph epidermidis

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12
Q

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

A

Staph epidermidis

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13
Q

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

A

Staph epidermidis

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14
Q

What is the positive control in the CAMP test?

A

Strep agalactiae

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15
Q

What is the negative control in the CAMP test?

A

Strep pyogenes

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16
Q

What are the differences between Strep pyogenes and Strep agalactiae?

A
  1. Strep pyogenes
    • Causes necrotizing fasciitis
    • CAMP (-)
  2. Strep agalactiae
    • Causes mastitis
    • CAMP (+)
17
Q

Which organism causes metritis and cervicitis in sows?

A

Strep equisimilis

18
Q

Which type of infections can Strep equisimilis cause?

A

Dog: repro tract infections

Horse: meningitis, repro tract infections, metritis, cervicitis

Sows: meningitis, repro tract infections, metritis, cervicitis

19
Q

What is the cause of STRANGLES in horses?

A

Strep equi

20
Q

Where is Strep equi normally found in a healthy horse?

A

Upper respiratory tract

Reproductive tract

21
Q

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

A

Meningitis

Repro tract infections

(Strep suis ALSO causes meningitis in pigs)

22
Q

Which species can Strep equisimilis affect?

A

Horse

Pig

Dog

23
Q

Which organism causes hemorrhage pneumonia in a dog?

A

Strep zooepidemicus

24
Q

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

A

Strep suis

25
Q

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

A

Erysipelothrix rhusiopathiae

26
Q

What are the results for Erysipelothrix rhusiopathiae below:

  1. H2S
  2. Dextrose
  3. Lactose
  4. Sucrose
  5. Catalase
  6. Urease
A
  1. HS2 +
  2. Dextrose +
  3. Lactose +
  4. Sucrose -
  5. Catalase -
  6. Urease -
27
Q

What are the results below for Listeria monocytogenes?

  1. Dextrose
  2. Sucrose
  3. Lactose
  4. Catalase
  5. Urease
A
  1. Dextrose +
  2. Sucrose +
  3. Lactose +
  4. Catalse +
  5. Urease -
28
Q

Which organism is positive for casein agar digestion?

A

Trueperella pyogenes

29
Q

Which organism causes pigeon fever in the horse?

A

Corynebacterium pseudotuberculosis

30
Q

Which organism causes caseous lymphandenitis in sheep and goats?

A

Corynebacterium pseudointermedius

31
Q

Which organism causes ulcerative lymphagenitis in the horse?

A

Corynebacterium pseudotuberculosis

32
Q

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

A
  1. Corynebacterium auriscanis
  2. Rhodococcus equi
  3. Corynebacterium renale
33
Q

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

A

Rhodococcus equi

34
Q

Which streps are penicillin sensitive?

A
  1. Strep pyogenes
  2. Strep agalactiae
  3. Strep equi
35
Q

Which streps are alpha hemolytic?

A

Strep suis

Strep dysgalactiae

Strep uberis

36
Q

What is the most common pathogen of wounds in horses?

A

Strep zooepidemicus

37
Q
A

Microbiology 386 (14 decks)

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