Retake midterm 1

Question 1

In endemic herds, the abortion caused by parvovirus infection of swine is less frequent

Answer 1

T

Question 2

It is possible to prevent Marek disease with vaccines containing live virus

Answer 2

T

• attenuated
• trivalent
• recombinant

Question 3

The symptoms of a suspected circovirus diseases can be differentiated from similar disease using a serology
ELISA test

Answer 3

T

Question 4

The adenovirus usually spread with arthropods vector

Answer 4

F

Question 5

In the Adenoviral infection of calves, a primary interstitial pneumonia can be formed

Answer 5

T

Question 6

If 100-day fetus are infected with swine parvovirus, the abortion of mummified fetus can be seen

Answer 6

T(abortion too?)

Question 7

The Derzsy’s diseases is caused by goose circovirus

Answer 7

F (goose parvovirus)

Question 8

There is no viremia during Marek disease

Answer 8

F

Question 9

The herpesmamillitis and lumpy skin disease of cattle is caused by the same pathogen

Answer 9

F
- but they are very similar

Question 10

Gastrointestinal symptoms may be seen in the Adenovirus of cattle

Answer 10

T

Question 11

Lumpy skin disease affect only cattle, in natural condition

Answer 11

F

Question 12

In a tolerated infection, the shedding of the pathogen can be detected with PCR

Answer 12

T

Question 13

The Aleutian disease of minks is routinely prevented using vaccines containing live attenuated virus

Answer 13

F (no vaccine)

Question 14

Following the abortion due to IBR virus, in cows usually the symptoms of IPV can also be seen

Answer 14

F

• only seen in IBR

Question 15

The Aujeszky disease can be prevented with vaccination

Answer 15

T ( marker vaccines)

Question 16

In swine PCV1 causes a disease with general immunosuppression

Answer 16

F

Question 17

In the latent infection, the antigens of the pathogen can be recognized by the immune system

Answer 17

T

Question 18

The Anellovirus infection in chicken can be prevented with vaccination

Answer 18

F

Question 19

The parvoviral infection of suckling piglets causes mainly an osmotic diarrhea and exsiccosis

Answer 19

F

Question 20

The acute Marek’s disease causes formation of neoplasia

Answer 20

T

Question 21

In adult wild boars, the Aujeszky disease causes severe neurological symptoms and death

Answer 21

F

Question 22

In the CADV-1 infection of dogs, immunocomplexes may be formed

Answer 22

T

Question 23

The malignant catarrhal fever is caused by the bovine herpesvirus type 1

Answer 23

F

Question 24

Duck plague in wild ducks is a disease with a high morbidity and low mortality

Answer 24

T

• High morbidity (100%)
• Low mortality (15-25%)

Question 25

The IBR (infectious bovine rhinotracheitis) virus may spread via nerves, too.

Answer 25

T

Question 26

We can vaccinate against papillomavirus diseases.

Answer 26

T (Autovaccines)

Question 27

To prevent malignant catarrhal fever, live attenuated virus vaccines are used.

Answer 27

F (does not exist)

Question 28

The Aujeszky-disease can cause nervous symptoms in sucking piglets.

Answer 28

T - Ataxia

Question 29

In a herd, lethality means the percent of the dead animals within the diseased ones

Answer 29

T

Question 30

The serum ELISA test is suitable to estimate the time of infection.

Answer 30

T

Question 31

During the parvovirus infection of dogs, the apical cells of the intestinal villi suffer a massive necrosis, thus an osmotic diarrhea is formed

Answer 31

T

Question 32

To prevent the Aujeszky disease in disease-free countries, extensive vaccination of the swine flocks is used

Answer 32

F

Question 33

PCV-2 induces skin and kidney lesions in swine.

Answer 33

F

Question 34

In the diagnostics of PCV-2 infection in swine, the qPCR test is an efficient tool.

Answer 34

T

Question 35

The swinepox is zoonotic.

Answer 35

F

Question 36

In the clinical appearance of swinepox, the role of predisposing factors is significant.

Answer 36

T

Question 37

The lumpy skin disease is zoonotic

Answer 37

F

Question 38

The canine parvovirus-2 infection can be prevented using live attenuated vaccines

Answer 38

T

Question 39

In the vaccine containing live pathogens, the strains used are always of weakened virulence

Answer 39

T

Question 40

In the viral infections, secondary bacterial infective agents can modify the pathological lesions

Answer 40

T

Question 41

High maternal antibody levels always improve the efficacy of the vaccination

Answer 41

F

Question 42

The economical loss due to Lumpy skin diseases is negligible

Answer 42

F - decreased of milk production , economic loss

Question 43

The PCV-2 disease can be prevented using vaccination

Answer 43

T - live attenuated

Question 44

The infectious laryngotracheitis virus frequently causes a permanent blindness in dogs (blue eye)

Answer 44

F - fever, nasal discharge, dry cough infectious canine hepatitis : chronic: blue eye

Question 45

The myxomatosis is usually seasonal in Europe.

Answer 45

T

Question 46

The DIVA principle can be applied in those cases too, when the animals were vaccinated with a non-delete strain-containing vaccine

Answer 46

T

Question 47

HUNGARIAN QUESTION = The clinical picture of cowpox is very similar to herpes mammilitis

Answer 47

T

Question 48

Mortality means the number of dead animals compared to the total number of animals, in a herd

Answer 48

T

Question 49

Lumpy skin disease can be spread from herd to herd with fomites

Answer 49

F - sheep and goat pox

Question 50

The sheep and goat pox can cause respiratory signs.

Answer 50

T

Question 51

Parvoviral diarrhea in dogs is caused by canine parvovirus 2

Answer 51

T

Question 52

The mucosal form is the severe one in fowl pox.

Answer 52

T - malignant

Question 53

The antibody levels against swine parvovirus, can be measured with ELSA test

Answer 53

T

Question 54

In dogs, the most significant losses due to herpesvirus infection is in neonatal age animals

Answer 54

T

Question 55

The disease-free status swine flocks to Aujeszky virus infection, can be checked with ELISA

Answer 55

T

Question 56

IBR: the vaccinated animals can be distinguished from the non-vaccinated ones, using serology tests

Answer 56

T

Question 57

Marek disease symptoms occur rarely because of the vaccination

Answer 57

T

Question 58

Hemorrhagic nephritis enteritis disease of geese is caused by a polyomavirus

Answer 58

T

Question 59

The SPF animals do not have a normal intestinal flora.

Answer 59

T

Question 60

Poxviruses cause inclusion bodies in the cytoplasm

Answer 60

T

Question 61

The circoviral disease of swine causes an immunosuppression

Answer 61

T

Question 62

The PMWS appears with clinical symptoms primarily in suckling piglets

Answer 62

F

Question 63

There are vaccines for the prevention of horse herpesvirus diseases

Answer 63

T - inactivated

Question 64

The Aujeszky-disease appears in young dogs with respiratory signs

Answer 64

F

Question 65

The pathogen of contagious pustular dermatitis can infect cattle. ORF

Answer 65

F - sheep, goat, human, wild goats, deers, camel, seal

Question 66

The IBR virus causes a primary fibrinous pneumonia

Answer 66

F - pneumonia I secondary infection

Question 67

The infectious laryngotracheitis virus in acute infection of bitches causes the absorption of foetuses.

Answer 67

F - no bitches

Question 68

The Aujeszky-disease virus, in suckling piglets, can cause a fatal encephalitis

Answer 68

T

Question 69

In a tolerated infection, high levels of pathogen-specific IgG can be detected, using a serology ELISA test.

Answer 69

T

Question 70

The EDS virus may spread via germinative way.

Answer 70

T

Question 71

The Aujeszky-disease in cats can be securely diagnosed only postmortem

Answer 71

T?

Question 72

Wild rodents are the asymptomatic carriers of the Aujeszky-disease

Answer 72

F

Question 73

The EDS virus causes necrotizing lesions to the ovaries in laying hens. EDS= egg drop syndrome

Answer 73

F

Question 74

The EHV-4 can cause abortion in horses

Answer 74

T - but does it rearly

Question 75

The virulence can be weakened with mutations

Answer 75

T

Question 76

The facultative pathogens do not possess virulence factors

Answer 76

F

Question 77

Sheep and goat pox can be diagnosed using histopathology and PCR

Answer 77

T

Question 78

The hemorrhagic enteritis of turkeys is caused by parvovirus

Answer 78

F (adenoviridae)

Question 79

The Marek disease virus can spread in the hatchery

Answer 79

T - NOT GERMINATIVE

Question 80

ILT may cause death.

Answer 80

F