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EPI PQ > MT4 - PASTEURELLA - General > Flashcards

MT4 - PASTEURELLA - General Flashcards

1
Q

Asymptomatic carriage of Pasteurella multocida can occur in birds

A

T

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2
Q

Pasteurella multocida is highly resistant; it can survive in the environment for several months

A

F

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3
Q

Pasteurella multocida can cause pasteurellosis in small ruminants

A

T

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4
Q

Pasteurella multocida can infect humans:

A

T

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5
Q

Primary pasteurellosis disease have no predisposing factors

A

F

Non-infectious:
* management, transportation, stress, overcrowding * „primary pasteurellosis”

infectious:
* viruses, mycoplasmas, other bacteria * „secondary pasteurellosis”

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6
Q

Pasteurella multocida can complicate canine distemper.

A

T

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7
Q

Leukotoxin (cytotoxin) production is an important virulence factor of Mannheimia haemolytica

A

T

leukotoxin (cytotoxin)
outer membrane proteins

capsule polysaccharide

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8
Q

The dermonecrotoxin of Pasteurella multocida damages the osteoclast cells:

A

F

osteoblast

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9
Q

Primary pasteurellosis diseases are caused by obligate pathogenic Pasteurella bacteria:

A

F

facultative pathogenic bacteria

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10
Q

Dermonecrotoxin can be virulence factor of Pasteurella multocida:

A

T

  • capsule
  • LPS (endotoxin)
  • dermonecrotoxin
  • hyaluronidase production (B)
  • outer membrane proteins, adhesins, fimbria
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11
Q

Dermonecrotoxin of pasteurella multocida causes lesions in the nasal cavity and on the skin of pigs

A

F

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12
Q

Capsule can be virulence factor of Pasteurella multocida:

A

T

  • capsule
  • LPS (endotoxin)
  • dermonecrotoxin
  • hyaluronidase production (B)
  • outer membrane proteins, adhesins, fimbria
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13
Q

Asymptomatic carriage of Pasteurella multocida can occur in bird

A

T

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14
Q

Enterotoxins are virulence factors of Pasteurella multocida

A

F

  • LPS (endotoxin)
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15
Q

The agent of acute systemic pasteurellosis is zoonotic:

A

F

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16
Q

Mannheimia haemolytica leukotoxin (cytotoxin) damages the macrophages

A

T

17
Q

Pasteurella ovis can cause pasteurellosis in small ruminants

A

F

p.multicoida

18
Q

Arthritis can be a clinical sign of ovine pasteurellosis

A

T

19
Q

Transportation is a predisposing factor of respiratory pasteurellosis of calves:

A

T

non-infectious:
- management, transportation, stress, overcrowding
- „primary pasteurellosis”

infectious:
- viruses, mycoplasmas, other bacteria
- „secondary pasteurellosis”

20
Q

Primary pasteurellosis diseases have non infectious predisposing factors

A

T

stress, poor nutrition, environmental conditions, and overcrowding

21
Q

Emboli are responsible for the necrosis seen in the case of acute systemic pasteurellosis

A

T

22
Q

Leukotoxin is a virulence factor of Mannheimia haemolytica.

A

T

23
Q

Capsule is a virulence factor of Pasteurella multocida.

A

T

24
Q

Leukotoxin is produced by the majority of Pasteurella multocida.

A

F

Produced by Mannehimia haemoytica

25
Q

Pasteurella multocida can cause disease only in ruminants

A

F

26
Q

Mannheimia haemolytica can cause disease mainly in ruminants.

A

T

27
Q

Bibersteinia trehalosi can infect ruminants.

A

T

28
Q

Pasteurellaceae are resistant bacteria, they remain viable for a long time in the soil

A

F

Low resistance

29
Q

The virulence factors of P. multocida are the capsule and dermonecrotoxin.

A

T

30
Q

Pasteurella are very resistant in the environment

A

F

31
Q

Pasteurella are obligate pathogens

A

F

facultative pathogenic bacteria

32
Q

We can use inactivated bacteria as a vaccine for Pasteurella

A

T

EPI PQ (81 decks)

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