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VET413 Infectious + Immunology > 61+62 SA Zoonoses > Flashcards

61+62 SA Zoonoses Flashcards

1
Q

Where is cowpox found geographically?

A

UK and western Europe

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2
Q

Briefly describe the clinical appearance of cowpox in a cat and how the cat would get cowpox.

A

Ulcerated cutaneous lesions after contact w/ rodents

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3
Q

How do you usually treat cowpox?

A

It’s self-limiting

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4
Q

S. aureus prefers to grow on ______ (human/animal) skin, whereas S. pseudintermedius prefers _____ skin.

A

Human, animal

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5
Q

What gene is important for MRSA/MRSP?

A

The mecA mobile genetic element

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6
Q

What class of antibiotics are methicillin resistant Staph spp. resistant to?

A

ALL beta-lactams

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7
Q

What are 3 important commensal organisms from the canine/feline oral cavity that cause infections in bite wounds?

A

Pasteurella multocida, P. canis, Capnocytophaga canimorsus

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8
Q

What cells do bartonella live in?

A

Erythrocytes and endothelial cells (possibly macrophages or other cells)

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9
Q

How is bartonella transmitted?

A

Via a flea vector–infected flea feces must be inoculated into a scratch wound

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10
Q

T or F: subclinical bartonella bacterima is uncommon.

A

F; widespread and common

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11
Q

Bartonella is known to affect which body system in cats?

A

CV system – endocarditis; pyogranulomatous myocarditis; systemic reactive angioendotheliomatosis

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12
Q

T or F: both dogs and cats are associated w/ subclinical bartonella bacteremia.

A

F; cats are but not dogs

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13
Q

How is bartonella diagnosed?

A

Serology (IFA or ELISA), blood culture, PCR

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14
Q

What is the best way to prevent bartenellosis?

A

Year round flea control

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15
Q

Describe how Bartonella looks under the microscope.

A

Small curved G- bacteria

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16
Q

What is the causitive agent of plague?

A

Yersinia pestis

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17
Q

Causitive agent of tularemia?

A

Francisella tularensis

18
Q

What are the clinical signs of both plague and tularemia?

A

Fever, lymphadenopathy, abscesses, pneumonia

19
Q

How is plague transmitted?

A

Flea bites, ingestion of infected rodents, rarely aerosol (pneumonic plague)

20
Q

How is tularemia transmitted?

A

Arthropod vectors (biting fly or ticks), ingestion of terrestrial or aquatic reservoirs, inhalation, cutaneous inoculation (bite wounds, usually cat)

21
Q

T or F: cats commonly develop clinical disease from leptospirosis.

A

F

22
Q

What shape are leptospira spp?

A

Spirochete

23
Q

Do leptospira maintenance hosts consistently shed the bacterium?

A

No–shed intermittently w/o obvious detrimental effects

24
Q

How is leptospirosis transmitted?

A

Direct transmission – contact w/ infected urine, venereal/placental transmission, bite wounds, ingestion of infected tissues
Indirect – exposure to contaminated food, water, soil, bedding

25
Q

What kind of pathology is caused by leptospiremia?

A

Vasculitis, renal and hepatic injury

26
Q

Where are the leptospira organisms eventually confined to d/t the antibody response?

A

Renal tubular epithelial cells

27
Q

Is lepto hardy in the environment?

A

No - easily dessicates

28
Q

What are some clinical signs of leptospirosis?

A

Anorexia, pyrexia, V/D, reluctance to move, abd pain, anuria or oliguria, icturus, dyspnea (pulmonary hemorrhage), uveitis, renal failure
Peracute infections can cause rapid shock/death

29
Q

How is leptospirosis diagnosed?

A

Microscopic agglutination test (MAT), serial titers, serologic tests (in-clinic), culture, PCR

30
Q

How is lepto prevented?

A

Vaccination + rodent control

31
Q

What veterinary species is affected by psittacosis?

A

Birds

32
Q

Is chlamydia psittaci intracellular or extracellular?

A

Obligate intracellular

33
Q

What kind of pathology does psittacosis cause in birds?

A

Pneumonia, air sacculitis, pericarditis, hepatitis, splenitis, occasionally death

34
Q

How will birds with psittacosis present?

A

Sneezing, ocular discharge, ruffled feathers, diarrhea

35
Q

How is psittacosis shed?

A

Respiratory secretions, feces

36
Q

How do humans typically get toxoplasma infections?

A

Contaminated food or water; rarely from household cats

37
Q

What household species can get Q fever?

A

Cats

38
Q

What clinical signs do sporotrichosis cause?

A

Cutaneous nodules, draining skin lesions

39
Q

What type of organism is Sporothrix schenckii?

A

Fungus

40
Q

What are classical signs of brucellosis in dogs?

A

Male dogs w/ orchitid/epidydimitis or any dog w/ discospondylitis

41
Q

How is Brucella canis shed?

A

Urinary and geniral secretions

42
Q

What kind of symptoms does brucellosis cause in humans?

A

Flu-like

VET413 Infectious + Immunology (26 decks)

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