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Bacteriology Final > Eye, ear, respiratory system > Flashcards

Eye, ear, respiratory system Flashcards

1
Q

What causes infectious bovine keratoconjuctivitis in cattle?

A

Moraxella bovis

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2
Q

What causes ovine keratoconjunctivitis?

A

Mycoplasma conjunctivae and Chlamydia pecorum

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3
Q

What causes otitis in calves?

A

Mycoplasma Boris and Histophilis somni (sleepers)

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4
Q

Bacterial and fungal infections are the primary cause of ear infections. True or false?

A

False they are secondary infections and you must look for underlying cause

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5
Q

What bacteria cause otitis externa?

A
  • Staphylococcus
  • Streptococcus
  • Enterococcus
  • PSEUDOMONAS AERUGINOSA
  • E. coli
  • Malassezia pachydermatis (yeast)
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6
Q

What causes conjunctivitis in cats?

A
  • Chlamydia felis (feline pneumonitis)

- Mycoplasma felis (mycoplasma conjunctivitis)

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7
Q

What are some systemic bacterial infections?

A
  • Rickettsia
  • Anaplasma
  • Ehrlichia
  • Brucellosis
  • Leptospirosis
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8
Q

What are some systemic fungal infections?

A
  • Blastomycosis
  • Cryptococcus
  • Histoplasmosis
  • Cocidiodomycosis
  • Protothecosis
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9
Q

What causes equine recurrent uveitis?

A

Leptospira infection

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10
Q

What causes guttural pouch mycosis?

A
  • Streptococcus equi sub equi (occurs as complication)

- Aspergillus sp

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11
Q

What are some pathogens that can cause HORSE keratitis?

A
  • Aspergillus
  • Fusarium
  • Candida
  • Pseudomonas
  • Staphylococcus
  • Streptococcus
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12
Q

Primary upper respiratory tract infections are caused mainly by bacteria. True or false?

A

False (primary is viral)

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13
Q

Bordetella bronchiseptica causes what in dogs?

A

Tracheobronchitis and pneumonia

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14
Q

Chronic rhino sinusitis may come from what fungi?

A

Aspergillosis and Cryptococcus

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15
Q

What causes nasal polyp/tumor like growth in animals and humans?

A

Rhinosporidium seeberi

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16
Q

What are some common systemic fungal infections with primary lung involvement (ex. pyogranulomatous lesions)?

A
  • Blastomyces dermatitidis
  • Histoplasma capsulatum
  • Coccidiodes immitis
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17
Q

Histoplasmosis causes what in dogs?

A
  • GI involvement is common
  • protein losing enteropathy
  • peripheral lymphadenopathy
  • polyarthropathy
  • osteomyelitis
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18
Q

Histoplasmosis is a disseminated disease in cats. True or false?

A

True

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19
Q

Blastomycosis is endemic where?

A

Mississippi, Missouri and Ohio river valley

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20
Q

Blastomycosis involves what body parts?

A

Cutaneous, respiratory, ocular, bone forms are seen

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21
Q

Cryptococcosis involver what body parts?

A

Nasal cavity, CNS, ocular, GI

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22
Q

Cutaneous lesions is a marker for disseminated disease in what animal? (Cryptococcosis)

A

cats

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23
Q

Coccidiodomycosis causes what?

A

lung involvement with dissemination to bones

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24
Q

Where is coccidioidomycosis found?

A

Arizona, California, Nevada, New Mexico

25
Q

Direct transmission of fungal infections always occurs. True or false?

A

False (its rare….its mainly environmental)

26
Q

Actinomycosis and Nocardiosis causes what?

A

Pleuritis and pyothorax

27
Q

infectious tracheobronchitis is also called?

A

Bordetella bronchiseptica

28
Q

Necrotic laryngitis in cattle is caused by what?

A

Fusobacterium necrophorum

29
Q

Fusobacterium necrophorum is seen in what age of cattle and what stages of disease?

A
  • 3-18 month old feed lot cattle

- acute to chronic infection

30
Q

What can also cause laryngitis in cattle?

A

Histophilus somni

31
Q

Which of the following bacteria is generally NOT involved in shipping fever pneumonia in cattle?

a. mannhemia hemolytica
b. pasturella multocida
c. histophilus somni
d. actinobacillus pleuropneumoniae

A

d. actinobacillus pleuropneumoniae

32
Q

Which bacteria are in the bovine respiratory disease (BRD) complex?

A
  • mannheimia hemolytica
  • pasteurella multocida
  • histophilus somni
  • mycoplasma bovis
  • Truperella pyogenes
33
Q

Mannheimia hemolytica is an important bacterial agent in shipping fever pneumonia. True or false?

A

True

34
Q

What virulence factor is specific to Mannheimia haemolytica?

A

it secretes a ruminant specific leukotoxin

35
Q

Mannheimia hemolytica is also called?

A

Bovine shipping fever (serofibrinous bronchopneumonia and pleuritis)

36
Q

What causes enzoonotic pneumonia in calves?

A
  • viruses
  • Pasteurella multocida
  • Mannheimia haemolytica
  • Mycoplama bovis
37
Q

What causes contagious bovine pleuropneumonia?

A

Mycoplasma mycoides sub mycoides

REPORTABLE

38
Q

What causes contagious caprine pleuropneumonia?

A

mycoplasma capricolum sub capripneumoniae

39
Q

Pasteurella multocida serotypes B1 and E2 causes what?

A

Hemorrhagic septicemia (not in US)

40
Q

Mycoplasma Boris causes what in cattle?

A
  • pneumonia

- mastitis and arthritis

41
Q

Francisella tularensis is also known as?

A

Tularemia

42
Q

What are the hosts of Francisella tularensis?

A

rabbits, hares, rodents and cats

43
Q

What is the transmission of Francisella tularensis?

A
  • tick and deer fly bites (vector borne)
  • skin contact with infected animals
  • ingestion of contaminated water
  • inhalation of contaminated aerosols or agricultural dusts
44
Q

What BSL its Fracisella tularensis?

A

BSL 3 and reportable

45
Q

Humans typically get what type of infection from Fracisella tularensis?

A

Pneumonic

46
Q

How do you get plague?

A

wild rodents and their fleas

47
Q

What are the three types of plague?

A
  • septicemic plague
  • bubonic plague
  • pneumonic plague
48
Q

Progressive atrophic rhinitis in swine is from?

A

Pasturella multocida toxin PMT (osteoclasts) and Bordetella bronchiseptica dermonecrotoxin (in osteoblasts)

49
Q

What causes non-progressive atrophic rhinitis in pigs?

A

Bordetella bronchiseptica

50
Q

Haemophilus parasuis is also known as?

A

Glasser’s disease

51
Q

Haemophilus parasuis is a commensal of what?

A

nasal cavity, tonsil, trachea, and lung

52
Q

Haemophilus parasuis causes what?

A

polyserositis, polysynovitis, meningitis

53
Q

Actinobacillus pleuropneumoniae causes what in pigs?

A
  • porcine pleuropneumonia

- hemorrhagic and necrotizing pleuropneumonia

54
Q

What is an important virulence factor of Actinobacillus pleuropneumoniae?

A

Leukotoxin

55
Q

Foal pneumonia is caused by what bacteria?

A

Rhodococcus equi (1-4mo old foals)

56
Q

What pathogenesis do you see in Rhodococcus equi?

A

nodular lung lesions and mediastinal lymphadenopathy

57
Q

What would you take a culture of for Rhodococcus equi?

A

transtracheal wash samples

58
Q

For Rhodococcus equi you would see intracellular cocobacilli in cytology. True or false?

A

True

59
Q

What are other bacteria that involve the lungs in horses?

A
  • Glanders (Burkholderia mallei)
  • Pseudoglanders (Burkholderia pseudomallei)
  • Strangles

Bacteriology Final (5 decks)

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