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Epidemiology - MIDTERM 4 PQS > PQS - Atrophic rhinitis of swine✅ > Flashcards

PQS - Atrophic rhinitis of swine✅ Flashcards

1
Q

Europe is free from atrophic rhinitis

A

F

The infection is widespread, BUT the clinical form is getting rare

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2
Q

Dermonecrotoxin producing Pasteurella multocida can cause irreversible lesions in the nose of pigs

A

T

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3
Q

The dermonecrotoxin of Pasteurella multocida damages the osteoclast cells

A

F

The toxin damages the osteoblast cells, which are responsible for building the bones

!! The osteoclast are responsible for the decomposition !!

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4
Q

Dermonecrotoxin producing Pasteurella multocida can cause irreversible lesions in the nose of pigs

A

T

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5
Q

Toxoid vaccines are used for the prevention of atrophic rhinitis

A

T

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6
Q

The block of the lachrymal channel is a clinical sign of atrophic rhinitis

A

T

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7
Q

The turbinate bones can be absorbed in the case of atrophic rhinitis

A

T

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8
Q

Overcrowding can predispose pigs to atrophic rhinitis

A

T

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9
Q

The maxilla can be shortened in the case of atrophic rhinitis.

A

T

Causing wrinkles on the nose

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10
Q

The most severe clinical signs of atrophic rhinitis can be seen in suckling piglet

A

F

Seen in pigs over 3 months of age

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11
Q

Atrophic rhinitis can be prevented by vaccinating the pregnant sows

A

T

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12
Q

The lesions of atrophic rhinitis are examined after sawing the nose behind the first premolar
teeth

A

T

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13
Q

Clinical signs of a atrophic rhinitis appear if piglets are infected in the first few weeks of their life

A

T

If infected later, there is asymptomatic and bacterial carriage only

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14
Q

The mortality and the economic impact of atrophic rhinitis are high

A

F

Generally not lethal

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15
Q

The endotoxin of the agent is responsible for the clinical signs and lesions of atrophic rhinitis

A

F

Exotoxins are

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16
Q

Atrophic rhinitis in fattening pigs is caused by Bordetella bronchiseptica

A

F

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17
Q

In 4-6 months old pigs B. bronchiseptica strains cause severe pneumonia

A

F

Progressive form is seen in 3 month olds and older

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18
Q

Dermonectotoxin is an important virulence factor of B. bronchiseptica

A

T

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19
Q

Atrophic rhinitis cannot be prevented with vaccination

A

F

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20
Q

Block of the lacrimal channel is a typical sign of atrophic rhinitis

A

T

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21
Q

The dermonecrotoxin producing Pasteurella multocida strains are responsible for the severe
lesions of atrophic rhinitis

A

T

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22
Q

The dermonecrotoxin of P. multocida inhibits the activity of the osteoclast cells

A

F

Inhibits the osteblasts

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23
Q

Atrophic rhinitis can be prevented by vaccinating the day-old piglets

A

F

Vaccinating the pregnant sows, in US they vaccinate the piglet within the first week of life

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24
Q

Atrophy of the turbinate bones is a typical lesion of atrophic rhinitis

A

T

25
Q

Isolation of the causative agent from the nose confirm the diagnosis of atrophic rhinitis.

A

F

Isolation is without diagnostic value

26
Q

The effects of the dermonecrotoxin produced by Pasteurella multocida are reversible

A

F

27
Q

Bordetella bronchiseptica and Pasteurella multocida cause atrophic rhinitis

A

T

28
Q

Bordetella bronchiseptica causes reversible lesions in the nasal cavity of pigs

A

T

29
Q

Infection of pigs with Bordetella bronchiseptica and Pasteurella multocida at any age can
result in atrophic rhinitis

A

T

Infection of suckling and weaned piglets = clinical signs, infection later = asymptomatic

30
Q

The mortality of atrophic rhinitis can be 50-60%

A

F

Generally not lethal

31
Q

Clinical signs of atrophic rhinitis can be seen if piglets infected first week of life

A

T

32
Q

The lesions of atrophic rhinitis are reversible

A

T

33
Q

The lesions of atrophic rhinitis are caused by an endotoxin

A

F

Exotoxin

34
Q

Atrophic rhinitis cannot be prevented with vaccination

A

F

35
Q

Hungary is free from atrophic rhinitis of swine

A

F

36
Q

The clinical form of atrophic rhinitis can be seen if the piglets were few weeks old when
infected

A

T

37
Q

Bordetella bronchiseptica causes reversible changes in swine

A

T

38
Q

The dermonecrotoxin of Pasteurella multocida damage the osteoclasts

A

F

The osteoblasts

39
Q

At atrophic rhinitis the conchae absorbs ….

A

T

40
Q

Isolating Pasteurella multocida from pigs noses proves atrophic rhinitis

A

F

Isolation is not of diagnostic value

41
Q

The endotoxin of the agent is responsible for the clinical signs and lesions of atrophic
rhinitis

A

F

The exotoxin is

42
Q

Atrophic rhinitis can be prevented with toxoid vaccine given at weaning

A

F

given to pregnant ewes

43
Q

PM lesions of atrophic rhinitis can be examined after transverse cut of the nose.

A

T

44
Q

Atrophic rhinitis is examined PM by a longitudinal section of the nose

A

F

Cross-section

45
Q

Animals showing signs of atrophic rhinitis remain carriers

A

F

46
Q

Atrophic rhinitis can be prevented by vaccinating the sow

A

T

47
Q

Atrophic rhinitis cause disease in swine and calves

A

F

Occur only in pigs

48
Q

Dermonecrotoxin in case of atrophic rhinitis acts on the osteoblast cells

A

T

49
Q

Atrophic rhinitis is caused by a synergistic interaction between B. bronchiseptica and P.
multocida D

A

T

50
Q

B. bronchiseptica can cause immunosuppression

A

F

51
Q

Toxoid vaccines can be used for prevention of atrophic rhinitis

A

T

52
Q

B. bronchiseptica strains producing toxins causing serious lesions

A

F

Caused by P.multicoida

53
Q

The typical PM lesions of atrophic rhinitis are caused by B. bronchiseptica strain

A

F

Caused by P.multicoida

54
Q

Atrophic rhinitis is a common disease that causes severe losses

A

F

Generally not lethal

55
Q

Atrophic rhinitis only occurs pigs that were infected as suckling piglets

A

T

56
Q

Atrophic rhinitis is proven by isolating P. multocida

A

F

isolation = of no diagnostic value

57
Q

Tetracyclines can successfully be used to treat atrophic rhinitis

A

T

58
Q

Wrinkles and torsion of nose is the most prominent clinical sign of atrophic rhinitis

A

T

Epidemiology - MIDTERM 4 PQS (31 decks)

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