Midterm 2 part 2 chapter II

Question 1

Rabbit haemorrhagic disease is characterized by rapid progression.

Answer 1

True

Question 2

Australia is free of rabbit haemorrhagic disease.

Answer 2

False

Question 3

There are no vaccines available against rabbit haemorrhagic disease.

Answer 3

False

Question 4

Up to 100% of susceptible rabbits may be killed by rabbit haemorrhagic disease.

Answer 4

True

Question 5

The incubation time of rabbit haemorrhagic disease is usually over 3 weeks.

Answer 5

False

Question 6

The Rabbit Hemorrhagic Disease is a chronic illness with low morbidity.

Answer 6

False

Question 7

Encephalitis is a frequent sign of the rabbit haemorrhagic disease

Answer 7

False

Question 8

Feline caliciviruses cause hemorrhagic enteritis.

Answer 8

True

Question 9

Cats may carry and shed feline calicivirus for several months or years.

Answer 9

True

Question 10

Some variants of feline calicivirus may escape vaccine induced protection.

Answer 10

True

Question 11

Feline calicivirus infection may cause pyrexia and lameness

Answer 11

True

Question 12

Erosions on the oral mucosa are frequent signs of feline calicivirus infection.

Answer 12

True

Question 13

Feline calicivirus has a very characteristic biphasic fever

Answer 13

True

Question 14

Rotaviruses mainly cause respiratory disease in older animals.

Answer 14

False

Question 15

Rotaviruses typically cause respiratory disease in 3-6 month old calves.

Answer 15

False

Question 16

Rotavirus is species specific

Answer 16

False

Question 17

Bluetongue disease is present only in tropical and sub-tropical countries.

Answer 17

False

Question 18

Wild birds are the natural reservoir host of the Bluetongue virus.

Answer 18

False

Question 19

In utero Bluetongue virus infection may result in immunotolerance.

Answer 19

True

Question 20

The most severe clinical manifestation of Bluetongue disease is usually seen in goats.

Answer 20

False

Question 21

Bluetongue is an Orbivirus.

Answer 21

True

Question 22

Bluetongue primarily spreads with blood sucking insects

Answer 22

True

Question 23

Bluetongue replicates in endothelial cells of blood vessels.

Answer 23

True

Question 24

The causative agent of Bluetongue multiplies in endothelium.

Answer 24

True

Question 25

Bluetongue has 24 known serotypes.

Answer 25

False

Question 26

Bluetongue is an enteral disease of turkeys.

Answer 26

False

Question 27

Bluetongue causes symptoms mostly in sheep and goat.

Answer 27

False

Question 28

Bluetongue is not present in Europe.

Answer 28

False

Question 29

Bluetongue causes skin signs in bovine

Answer 29

True

Question 30

Bluetongue also infects pigs.

Answer 30

False

Question 31

Bluetongue infects all hooved animals.

Answer 31

False

Question 32

No long-term carrier stage is observed in Bluetongue virus infections.

Answer 32

False

Question 33

´Bluetongue virus is typically vectored by ticks.

Answer 33

False

Question 34

Sheep are less sensitive to Bluetongue than swine.

Answer 34

False

Question 35

Ruminants and swine are the most important hosts of the Bluetongue virus.

Answer 35

False

Question 36

Lameness is one of the clinical signs of Bluetongue disease in sheep

Answer 36

True

Question 37

Rodents are the main reservoirs of the Bluetongue virus.

Answer 37

False

Question 38

Bluetongue is present only in tropical areas.

Answer 38

False

Question 39

Vaccination against Bluetongue provides serotype-specific protection.

Answer 39

True

Question 40

Serological cross protection exists between 25 known serotypes of Bluetongue virus.

Answer 40

False

Question 41

No long-term carrier stage is observed in Bluetongue infections.

Answer 41

False

Question 42

Epizootic hemorrhage fever is a Bluetongue-like disease of wild ruminants in America.

Answer 42

True

Question 43

Ibarki disease is a Bluetongue-like disease in Asia and in America.

Answer 43

True

Question 44

The serotype 8 strain of the bluetongue virus, which emerged in Western Europe, does not cause clinical signs in cattle

Answer 44

False

Question 45

Epizootic haemorrhagic disease was described only in Australia so far

Answer 45

False

Question 46

African Horse Sickness is a frequent disease, distributed worldwide.

Answer 46

False

Question 47

Respiratory signs are the most frequent symptoms in acute African Horse Sickness.

Answer 47

True

Question 48

The differential diagnosis of African Horse Sickness and Tetanus is rather complicated.

Answer 48

False

Question 49

African Horse Sickness is spread primarily by “small mosquitos”.

Answer 49

True

Question 50

Carriers for African Horse Sickness are zebras and donkeys.

Answer 50

True

Question 51

African Horse Sickness is not present in Europe today

Answer 51

True

Question 52

African Horse Sickness is caused by an arbovirus.

Answer 52

True

Question 53

African Horse Sickness is caused by Orbivirus.

Answer 53

True

Question 54

The most characteristic post mortem lesion in African Horse Sickness is hemorrhages and edema.

Answer 54

True

Question 55

Reservoir for African Horse Sickness is zebras and donkeys.

Answer 55

False

Question 56

African Horse Sickness is presented mainly per-acutely in donkeys.

Answer 56

False

Question 57

African Horse Sickness virus only infect horses

Answer 57

False

Question 58

Zebras are more resistant to African horse sickness than horses.

Answer 58

True

Question 59

Immunized horses may develop a chronic febrile form of the African horse sickness.

Answer 59

True

Question 60

Horses are more susceptible than zebra in African Horse Sickness.

Answer 60

True

Question 61

Hemorrhagic meningoencephalitis is the most frequent sign of the African Horse Sickness.

Answer 61

False

Question 62

The African Horse Sickness virus may infect dogs too.

Answer 62

True

Question 63

The African Horse Sickness and the Infectious Equine Arteritis may have similar clinical signs.

Answer 63

True

Question 64

African horse sickness is a world-wide distributed and frequent disease.

Answer 64

False

Question 65

The subacute form of the African horse sickness is mainly characterized by edematisation and cardiac dysfunction

Answer 65

True

Question 66

Midges are the main vectors of the Equine encephalosis virus

Answer 66

True

Question 67

Avian orthoreoviruses may cause necrotic foci in the visceral organs of birds.

Answer 67

True

Question 68

Avian orthoreoviruses infect only via inhalation and parenterally.

Answer 68

False

Question 69

Avian orthoreoviruses only infect via PO infections.

Answer 69

False

Question 70

All Avian orthoreoviruses can spread germinatively.

Answer 70

True

Question 71

Helicopter disease causes feather problems.

Answer 71

True

Question 72

Rotaviruses frequently cause tenosynovitis in birds.

Answer 72

False

Question 73

Avian orthoreoviruses usually cause disease in adult birds.

Answer 73

False

Question 74

Avian orthoreovirus may cause necrotic foci in the visceral organs of birds.

Answer 74

True

Question 75

Orthoreovirus infections cause immunosuppression in birds.

Answer 75

True

Question 76

Tenosynovitis is a frequent sign of Avian Orthoreovirus

Answer 76

True

Question 77

Orthoreovirus mainly infects younger animals.

Answer 77

True

Question 78

Orthoreovirus causes respiratory and GI disease.

Answer 78

True

Question 79

Orthoreovirus causes tenosynovitis in piglets.

Answer 79

False

Question 80

Tenosynovitis is caused by only one Orthoreovirus

Answer 80

False

Question 81

Orthoreoviruses frequently cause tenosynovitis of horses

Answer 81

False

Question 82

Infectious bursal disease causes severe illness, mainly in waterfowl.

Answer 82

False

Question 83

Infectious bursal disease is especially sensitive to detergents.

Answer 83

False

Question 84

The most frequent sign of infectious bursal disease is lameness.

Answer 84

False

Question 85

Only attenuated live vaccines are effective against infectious bursal disease

Answer 85

False

Question 86

Several antigenic and virulence variants of infectious bursal disease virus are known.

Answer 86

True

Question 87

The infectious bursitis is usually seen in 3 to 8 weeks-old flocks.

Answer 87

True

Question 88

The most frequent sign of infectious bursal disease is lameness due to the inflammation of the subtendinal bursae.

Answer 88

False

Question 89

IBDV does not cause disease in chicken over the age of two months.

Answer 89

True

Question 90

The infectious bursitis virus is inactivated within 1-2 days in the environment.

Answer 90

False

Question 91

A frequent sign of the infectious bursitis is encephalitis.

Answer 91

False

Question 92

In Europe only low virulence strains of Infectious bursitis virus can be found.

Answer 92

False

Question 93

The infectious bursitis virus does not cause any damage in chickens under the age of two weeks

Answer 93

False

Question 94

Togaviruses cause encephalomyelitis in horses in East-Asia and in Australia only.

Answer 94

False

Question 95

Several Togaviruses are zoonotic agents.

Answer 95

True

Question 96

An early sign of Eastern encephalomyelitis is biphasic fever.

Answer 96

True

Question 97

No vaccines are available against Togaviruses.

Answer 97

False

Question 98

Mainly ticks are the vectors of Equine encephalomyelitis viruses.

Answer 98

False

Question 99

Serological cross-reactions are seen between certain encephalomyelitis viruses.

Answer 99

True

Question 100

Eastern equine encephalomyelitis virus infects only horses.

Answer 100

False