Midterm 2 part 1 chapter I

Question 1

In Europe only low virulence strains of Infectious Bursal Disease Virus (IBDV) can
be found

Answer 1

false

Question 2

Infectious Bursal Disease is a very contagious disease

Answer 2

true

Question 3

Pigeons are the most susceptible to IBD

Answer 3

false

Question 4

Early IBDV infection damages the humoral immunity

Answer 4

true

Question 5

Wild birds are involved in the transmission cycle of Eastern Equine encephalomyelitis

Answer 5

true

Question 6

Ticks are involved in the transmission cycle of EEE

Answer 6

false

Question 7

Viral Equine encephalomyelitis is usually diagnosed on the basis of clinical signs

Answer 7

false

Question 8

In endemic countries vaccines are available against Equine viral encephalomyelitis

Answer 8

true

Question 9

Flaviviruses form distinct serotypes, without serological cross-reactions

Answer 9

false

Question 10

Tick-borne encephalitis virus can be transmitted with raw goat milk

Answer 10

true

Question 11

Tick-borne encephalitis in mainly seen in humans

Answer 11

true

Question 12

The principle vector of the Louping ill virus is Rhipicephalus appendiculatus

Answer 12

false

Question 13

West Nile virus (WNV) is only present in Africa

Answer 13

false

Question 14

Horses are the reservoir hosts of West Nile Virus

Answer 14

false

Question 15

The weather influences the emergence of West Nile Virus outbreaks, through its effect on mosquito propagation dynamics

Answer 15

true

Question 16

Laboratory diagnosis should confirm the aetiology of West Nile Encephalitis

Answer 16

true

Question 17

Swine is not susceptible to the Bovine Viral Diarrhea

Answer 17

false

Question 18

The BVD virus genotype 2 is less virulent than genotype 1

Answer 18

false

Question 19

The BVD virus cannot be transmitted via artificial insemination

Answer 19

false

Question 20

Intrauterine BVD virus infection always cause abortion

Answer 20

false

Question 21

Fomites do not play a role in the transmission of the Classical Swine Fever Virus

Answer 21

false

Question 22

Transplacental infection with CSFV may cause immunotolerance in new-born piglets

Answer 22

true

Question 23

Swine shed CSFV only in the terminal phase of the disease

Answer 23

false

Question 24

Europe is free from CFSV

Answer 24

false

Question 25

Classical Swine Fever is always an acute disease with high mortality in wild boars

Answer 25

false

Question 26

The large intestine are the earliest lesions in Classical Swine Fever

Answer 26

false

Question 27

The diagnosis of Classical Swine Fever is based on paired serum investigations

Answer 27

false

Question 28

Porcine circovirus 2 may cause lesions similar to Classical Swine Fever

Answer 28

true

Question 29

Rodents are the reservoir hosts of Schmallenberg virus

Answer 29

False! Insects transmit the virus

Question 30

In cattle Schmallenberg virus causes transient febrile disease with reduced milk production

Answer 30

true

Question 31

Rift Valley fever virus is a zoonotic agent

Answer 31

true

Question 32

The most frequent sign of the Nairobi sheep disease is encephalitis

Answer 32

false

Question 33

African Swine Fever does not occur in Europe

Answer 33

false

Question 34

African Swine Fever is a resistant virus

Answer 34

true

Question 35

Immunocomplexes are formed in the case of African Swine Fever

Answer 35

true

Question 36

Only activated vaccines are used for the prevention of African Swine Fever

Answer 36

false

Question 37

Teschen disease occurs all over the world

Answer 37

false

Question 38

Only pigs are susceptible to teschovirus encephalomyelitis

Answer 38

true

Question 39

Teschovirus encephalomyelitis virus is transmitted by arthropods

Answer 39

false

Question 40

There is widespread vaccination using inactivated vaccines to prevent teschovirus encephalomyelitis

Answer 40

false

Question 41

Encephalomyocarditis virus can infect only pigs

Answer 41

false

Question 42

Encephalomyocarditis virus remains infective in the environment

Answer 42

true

Question 43

Encephalomyocarditis virus can cause per os infection

Answer 43

true

Question 44

Encephalomyocarditis virus can infect humans

Answer 44

true

Question 45

FMD is sporadic in Europe

Answer 45

true

Question 46

Resistance of FMD virus is high, in the environment it remains infectious for weeks

Answer 46

true

Question 47

FMD virus frequently causes carditis is young animals

Answer 47

true

Question 48

Water buffalos are not susceptible for FMD

Answer 48

false

Question 49

The main signs of FMD are: fever, salivation, formation of vesicles and lameness

Answer 49

true

Question 50

Serological examinations are important in diagnosis of FMD

Answer 50

true

Question 51

In Europe vaccines must not be used for prevention of FMD

Answer 51

true

Question 52

In sheep clinical signs of FMD are very mild, it is not easy to recognize

Answer 52

true

Question 53

The Vesicular Exanthema of swine virus infects only pigs

Answer 53

false

Question 54

Cats shed the Feline calicivirus for several weeks

Answer 54

true

Question 55

Lameness and fever are possible clinical signs of Feline calicivirus infection

Answer 55

true

Question 56

Rabbits over 1 month of age become susceptible to the Rabbit Hemorrhagic Disease

Answer 56

true

Question 57

Genetic re-assortments may cause significant antigenic changes in reovirus strains

Answer 57

true

Question 58

Bluetongue outbreaks mainly occur in summer and autumn

Answer 58

true

Question 59

Goats are more resistant to the bluetongue than sheep

Answer 59

true

Question 60

In Europe vaccination of small ruminants against bluetonge is mandatory

Answer 60

false

Question 61

The African horse sickness is endemic in Europe and in the USA

Answer 61

false

Question 62

Edemas and hemorrhages are the most frequent lesions in African horse sickness

Answer 62

true

Question 63

The signs of chronic African Horse Sickness and Equine Infectious Anemia may be similar

Answer 63

true

Question 64

The Equine encephalitis virus may cause abortion

Answer 64

true

Question 65

Rotaviruses infect only mammals

Answer 65

false

Question 66

Rotaviruses are typically transmitted via the fecal-oral route

Answer 66

true

Question 67

Trypsin resistant strains of Avian orthoreoviruses freqently cause diarrhea

Answer 67

true

Question 68

Trypsin sensitive strains of avian orthoreoviruses frequently cause tenosynovitis

Answer 68

true

Question 69

The Infectious bursal disease virus (IBDV) is very resistant in the environment

Answer 69

true

Question 70

Infection of day-old chicken with IBDV may cause permanent immunosurpression

Answer 70

true

Question 71

Pathology lesions of the Infectious Bursal Disease can be similar to the Avian influenza

Answer 71

true

Question 72

Young chicken can be immunized only with inactivated IBDV vaccines

Answer 72

false

Question 73

The Eastern Equine Encephalitis is present in Japan and Korea

Answer 73

false

Question 74

Mosquitoes are the principal vectors of the Western Equine encephalititis

Answer 74

true

Question 75

No characteristic gross pathology lesions are seen in Equine encephalitis caused by Togavirus

Answer 75

true

Question 76

Eastern, Western and Venezuelan Equine encephalitis viruses are zoonotic agent

Answer 76

true

Question 77

Serological cross reactions frequently occur between related Flaviviruses

Answer 77

true

Question 78

The Tick-borne encephalitis virus can be transmitted via consumption of raw milk

Answer 78

true

Question 79

The Louping Ill is seen in rabbits in Australia

Answer 79

false

Question 80

The West Nile virus may cause encephalitis in humans and in horses

Answer 80

true

Question 81

Non-cytopathic strains of the Bovine Viral Diarrhea virus (BVDV) can cause immunosuppression

Answer 81

true

Question 82

In utero infection with non-cytopathic BVDV can cause immunotolerance

Answer 82

true

Question 83

Mucosal Disease can develop in cattle persistently infected with BVDV

Answer 83

true

Question 84

The Border Disease is present only in the United Kingdom

Answer 84

false

Question 85

The Classical Swine Fever virus (CSFV) is a zoonotic agent

Answer 85

false

Question 86

Low virulence strains of CSFV may cause reproductive problems

Answer 86

true

Question 87

CSFV may damage the lymphatic tissues and blood vessel endothelial cells

Answer 87

true

Question 88

Swine can shed CSFV in the incubation period

Answer 88

true

Question 89

Skin suffusions and hemorrhages are signs of Classical Swine Fever

Answer 89

true

Question 90

The clinical signs of African Swine Fever and Classical Swine Fever are very different

Answer 90

false

Question 91

Contaminated pork meat can play a role in the transmission of CSFV

Answer 91

true

Question 92

Attenuated vaccines are developed for immunization of swine agains CSFV

Answer 92

true

Question 93

The Schmallenberg virus is a zoonotic agent

Answer 93

false

Question 94

The Rift Valley fever virus can cause reproductive disorders in cattle and sheep

Answer 94

true

Question 95

Necrotic hepatitis is a lesion of Rift Valley fever

Answer 95

true

Question 96

Hemorrhagic gastroenteritis is a lesion of Nairobi sheep disease

Answer 96

true

Question 97

Ticks can transmit African Swine Fever virus.

Answer 97

true

Question 98

Swine and wild boars are susceptible to African Swine Fever virus

Answer 98

true

Question 99

Warthogs can maintain African Swine Fever in endemic areas

Answer 99

true

Question 100

Attenuated vaccines are used for the prevention of African swine fever

Answer 100

false