PQS - Atrophic rhinitis of swine✅

Question 1

Europe is free from atrophic rhinitis

Answer 1

F

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

Question 2

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

Answer 2

T

Question 3

The dermonecrotoxin of Pasteurella multocida damages the osteoclast cells

Answer 3

F

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

!! The osteoclast are responsible for the decomposition !!

Question 4

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

Answer 4

T

Question 5

Toxoid vaccines are used for the prevention of atrophic rhinitis

Answer 5

T

Question 6

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

Answer 6

T

Question 7

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

Answer 7

T

Question 8

Overcrowding can predispose pigs to atrophic rhinitis

Answer 8

T

Question 9

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

Answer 9

T

Causing wrinkles on the nose

Question 10

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

Answer 10

F

Seen in pigs over 3 months of age

Question 11

Atrophic rhinitis can be prevented by vaccinating the pregnant sows

Answer 11

T

Question 12

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

Answer 12

T

Question 13

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

Answer 13

T

If infected later, there is asymptomatic and bacterial carriage only

Question 14

The mortality and the economic impact of atrophic rhinitis are high

Answer 14

F

Generally not lethal

Question 15

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

Answer 15

F

Exotoxins are

Question 16

Atrophic rhinitis in fattening pigs is caused by Bordetella bronchiseptica

Answer 16

F

Question 17

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

Answer 17

F

Progressive form is seen in 3 month olds and older

Question 18

Dermonectotoxin is an important virulence factor of B. bronchiseptica

Answer 18

T

Question 19

Atrophic rhinitis cannot be prevented with vaccination

Answer 19

F

Question 20

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

Answer 20

T

Question 21

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

Answer 21

T

Question 22

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

Answer 22

F

Inhibits the osteblasts

Question 23

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

Answer 23

F

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

Question 24

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

Answer 24

T

Question 25

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

Answer 25

F **Isolation is without diagnostic value**

Question 26

The effects of the dermonecrotoxin produced by Pasteurella multocida are reversible

Answer 26

F

Question 27

Bordetella bronchiseptica and Pasteurella multocida cause atrophic rhinitis

Answer 27

T

Question 28

Bordetella bronchiseptica causes reversible lesions in the nasal cavity of pigs

Answer 28

T

Question 29

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

Answer 29

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

Question 30

The mortality of atrophic rhinitis can be 50-60%

Answer 30

F **Generally not lethal**

Question 31

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

Answer 31

T

Question 32

The lesions of atrophic rhinitis are reversible

Answer 32

T

Question 33

The lesions of atrophic rhinitis are caused by an endotoxin

Answer 33

F **Exotoxin**

Question 34

Atrophic rhinitis cannot be prevented with vaccination

Answer 34

F

Question 35

Hungary is free from atrophic rhinitis of swine

Answer 35

F

Question 36

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

Answer 36

T

Question 37

Bordetella bronchiseptica causes reversible changes in swine

Answer 37

T

Question 38

The dermonecrotoxin of Pasteurella multocida damage the osteoclasts

Answer 38

F **The osteoblasts**

Question 39

At atrophic rhinitis the conchae absorbs ....

Answer 39

T

Question 40

Isolating Pasteurella multocida from pigs noses proves atrophic rhinitis

Answer 40

F **Isolation is not of diagnostic value**

Question 41

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

Answer 41

F **The exotoxin is**

Question 42

Atrophic rhinitis can be prevented with toxoid vaccine given at weaning

Answer 42

F **given to pregnant ewes**

Question 43

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

Answer 43

T

Question 44

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

Answer 44

F **Cross-section**

Question 45

Animals showing signs of atrophic rhinitis remain carriers

Answer 45

F

Question 46

Atrophic rhinitis can be prevented by vaccinating the sow

Answer 46

T

Question 47

Atrophic rhinitis cause disease in swine and calves

Answer 47

F **Occur only in pigs**

Question 48

Dermonecrotoxin in case of atrophic rhinitis acts on the osteoblast cells

Answer 48

T

Question 49

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

Answer 49

T

Question 50

B. bronchiseptica can cause immunosuppression

Answer 50

F

Question 51

Toxoid vaccines can be used for prevention of atrophic rhinitis

Answer 51

T

Question 52

B. bronchiseptica strains producing toxins causing serious lesions

Answer 52

F **Caused by P.multicoida**

Question 53

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

Answer 53

F **Caused by P.multicoida**

Question 54

Atrophic rhinitis is a common disease that causes severe losses

Answer 54

F **Generally not lethal**

Question 55

Atrophic rhinitis only occurs pigs that were infected as suckling piglets

Answer 55

T

Question 56

Atrophic rhinitis is proven by isolating P. multocida

Answer 56

F **isolation = of no diagnostic value**

Question 57

Tetracyclines can successfully be used to treat atrophic rhinitis

Answer 57

T

Question 58

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

Answer 58

T