Midterm 2 part 2 chapter IV

Question 1

The Border disease is a hemorrhagic, respiratory syndrome in sheep.

Answer 1

False

Question 2

In the sheep, border disease may cause a disease similar to the BVD.

Answer 2

True

Question 3

Border disease is a respiratory and enteric disease of lambs.

Answer 3

False

Question 4

Border disease occurs in Hungary.

Answer 4

True

Question 5

Border disease causes abortion in ewes.

Answer 5

True

Question 6

Border disease of sheep can be controlled by screening for carriers

Answer 6

True

Question 7

All wild type of strains of classical swine fever are highly virulent.

Answer 7

False

Question 8

Six distinct serotypes of classical swine fever virus are recognized so far.

Answer 8

False

Question 9

Classical swine fever virus is an arbovirus.

Answer 9

False

Question 10

Classical swine fever virus is a zoonotic agent.

Answer 10

False

Question 11

Classical swine fever virus infection has an immunosuppressive effect.

Answer 11

True

Question 12

Pigs shed classical swine fever virus only during the clinical stage of the disease.

Answer 12

False

Question 13

Central nervous signs might be seen in classical swine fever.

Answer 13

True

Question 14

Based on pathology and clinical signs, chronic classical fever is easy to diagnose

Answer 14

False

Question 15

All known strains of the Classical swine fever virus are highly virulent.

Answer 15

False

Question 16

Classical swine fever Virus spreads slowly in the host and causes mainly chronic disease.

Answer 16

False

Question 17

Complicated forms of the Classical swine fever are rarely seen.

Answer 17

False

Question 18

The Classical swine fever virus may cause reproductive disorders.

Answer 18

True

Question 19

Hemorrhages are the most typical lesions of acute Classical swine fever.

Answer 19

True

Question 20

Classical swine fever can unambiguously diagnosed by the clinical signs and pathology.

Answer 20

False

Question 21

Domestic swine of most European countries are free from Classical swine fever virus.

Answer 21

True

Question 22

The Classical swine fever may appear in a milder form in wild boar than in domestic swine.

Answer 22

True

Question 23

Low virulence strains of CSFV may lead to asymptomatic infection.

Answer 23

True

Question 24

CSF is spread via infected pigs

Answer 24

True

Question 25

Sows infected by CSF will have immunotolerant piglets.

Answer 25

True

Question 26

Piglets of sows vaccinated against CSF are vaccinated at 6-12 months

Answer 26

False

Question 27

To prevent CSF, we vaccinate pigs older than 6 months of age with live vaccine.

Answer 27

False

Question 28

To prevent CSF we use inactivated vaccines made from the Chinese strain.

Answer 28

False

Question 29

Shedding may start 2-3 days after first clinical signs.

Answer 29

False

Question 30

CSF can be prevented by inactivated vaccines.

Answer 30

False

Question 31

CSF can hardly be distinguished from African swine fever.

Answer 31

True

Question 32

CSF always causes abortion in pigs.

Answer 32

False

Question 33

Hungary does not have to make any preventative action against CSF.

Answer 33

False

Question 34

Incubation of CSF is 8-22 days.

Answer 34

True

Question 35

CSF was first written about in USA.

Answer 35

True

Question 36

First symptom of CSF is drooping ears.

Answer 36

False

Question 37

CSF virus has good resistance.

Answer 37

True

Question 38

Classical swine fever virus (CSFV) is mainly transmitted by mosquitoes.

Answer 38

False

Question 39

The presence of CSFV in a herd does not influence reproduction parameters.

Answer 39

False

Question 40

CSF is frequently complicated with bacterial infections.

Answer 40

True

Question 41

The clinical signs of CSF and ASF are similar.

Answer 41

True

Question 42

Central nervous signs are never seen in CSF.

Answer 42

False

Question 43

Serological cross reactions my occur between BVD virus and CSFV.

Answer 43

False

Question 44

Only inactivated vaccines are available against CSFV.

Answer 44

False

Question 45

It is a disease of domestic swine and wild boars, but several other species are also susceptible.

Answer 45

False

Question 46

Only domestic swine and wild boar is susceptible

Answer 46

True

Question 47

Fever, anorexia haemorrhages in the skin and weakness of the hind legs are the most important signs for CSF.

Answer 47

True

Question 48

For prevention state medical steps and vaccination are used in Europe.

Answer 48

False

Question 49

The CSFV typically damages endothelial- and lymphatic tissues.

Answer 49

True

Question 50

Boutons in the large intestine are the earliest lesions in CSF.

Answer 50

False

Question 51

Swine shed CSFV only in the terminal phase of the disease.

Answer 51

False

Question 52

Wild boar may play a role in the maintenance and spread of Classical swine fever.

Answer 52

True

Question 53

In Europe vaccination of domestic pigs against Classical swine fever is common.

Answer 53

False

Question 54

Classical swine fever is a notifiable disease in Europe

Answer 54

True

Question 55

In Europe vaccination of domestic swine populations against CSF is compulsory.

Answer 55

False

Question 56

Orthobunyaviruses are transmitted by hematophagous arthropods.

Answer 56

True

Question 57

Several virus species belong to Bunyaviridae family, many present only in tropical regions.

Answer 57

True

Question 58

Bunyaviruses are typically arboviruses.

Answer 58

True

Question 59

Several bunyaviruses are zoonotic agents.

Answer 59

True

Question 60

Serological cross-reactions are frequent between related bunyaviruses.

Answer 60

True

Question 61

Bunyaviriuses has good antigens and good immune reaction.

Answer 61

True

Question 62

Akabane disease virus causes fetal damage in sheep.

Answer 62

True

Question 63

The main symptoms of the akabane disease are fetal development disorders.

Answer 63

True

Question 64

The akabane disease can cause abortion in sheep.

Answer 64

True

Question 65

The main symptoms of akabane disease are the malformation of the fetus.

Answer 65

True

Question 66

Akabane, Aino and Schmallenberg viruses cause similar disease in ruminants.

Answer 66

True

Question 67

Akabane occurs in South-West Africa and is a disease of swine.

Answer 67

False

Question 68

The Akabane disease is mainly seen in geese.

Answer 68

False

Question 69

Abortions and fetal malformations are the most typical signs of Akabane disease.

Answer 69

True

Question 70

Schmallenberg virus causes fetal damages in sheep.

Answer 70

True

Question 71

Schmallenberg virus emerged in Western Europe, in 2011, and spread rapidly in ruminants.

Answer 71

True

Question 72

In sheep the Schmallenberg virus mainly causes fetal malformations.

Answer 72

True

Question 73

Schmallenberg virus causes severe diseases in humans.

Answer 73

False

Question 74

Schmallenberg spread by midges vectors.

Answer 74

True

Question 75

No human case report on Schmallenberg virus.

Answer 75

True

Question 76

Pneumonia and abortion are the main signs of Schmallenberg virus infection in sheep

Answer 76

False

Question 77

Signs of acute Schmallenberg virus infection in cattle are lower and reduced milk production.

Answer 77

True

Question 78

Rift valley fever virus causes fetal damages in sheep.

Answer 78

False

Question 79

Rift Valley fever virus caused severe human outbreaks in Africa and in the Arab peninsula.

Answer 79

True

Question 80

Necrotic hepatitis is a typical lesion of Rift Valley fever.

Answer 80

True

Question 81

The principle vectors of the rift valley disease are gnats.

Answer 81

False

Question 82

Rift valley fever outbreaks are most frequently seen in horses.

Answer 82

False

Question 83

Rift valley fever virus may cause 100% mortality in young susceptible animals.

Answer 83

True

Question 84

In enzootic regions vaccines are used for the prevention of rift valley fever.

Answer 84

True

Question 85

Rift valley fever may cause high mortality in young ruminants

Answer 85

True

Question 86

Nairobi disease viruses causes fetal damages in sheep.

Answer 86

True

Question 87

Hemorrhagic gastroenteritis is a typical lesion of Nairobi sheep disease.

Answer 87

True

Question 88

Crimean-Congo Haemorrhagic fever virus is tick born.

Answer 88

True

Question 89

The Nairobi sheep disease may cause abortion in pregnant ewes.

Answer 89

True

Question 90

The most important symptom of the Nairobi sheep disease is nephritis.

Answer 90

False

Question 91

Nairobi disease occurs mainly in sheep.

Answer 91

True

Question 92

The leading symptom of Nairobi disease is renal insufficiency.

Answer 92

False

Question 93

The Nairobi sheep disease is vectored by ticks.

Answer 93

True

Question 94

Hantaviruses cause hemorrhagic fevers in rodents.

Answer 94

False

Question 95

Hanta viruses can cause renal symptoms in humans.

Answer 95

True

Question 96

Mainly rodents are the natural reservoir of hanta viruses.

Answer 96

True

Question 97

In domestic animals Hanta viruses typically cause liver dystrophy.

Answer 97

False

Question 98

Hanta virus infected people may develop severe renal failure.

Answer 98

True

Question 99

Hantavirus may cause respiratory disease in humans.

Answer 99

False

Question 100

Hanta viruses cause encephalitis in horses

Answer 100

False