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Epidemiology > Epimidterm 2019 > Flashcards

Epimidterm 2019 Flashcards

1
Q

venereal infection is a direct infection

A

true

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2
Q

Arthropod borne infections are direct infections

A

false

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3
Q

Only specific resistance is important in the protection against infectious disease

A

false

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4
Q

Parvoviruses are good antigens

A

true

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5
Q

Aerogenic infection is a direct infection

A

false

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6
Q

Veterinarians can cause iatrogenic infection

A

true

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7
Q

Stenoxen agent have a wide host range

A

false

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8
Q

Mycotoxins can suppress the activity of the immune system

A

true

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9
Q

Foetuses do not have immune reactions

A

false

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10
Q

In case of persistent virus infection the agent is present mainly in the lymphoid cells

A

true

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11
Q

Tumor formation can be a consequence of persistent viral infection

A

true

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12
Q

Formation of immune complexes can be consequence of persistent viral infection

A

true

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13
Q

The agent is not shed in the case of inapparent infections

A

false

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14
Q

Eradication with generation shift cannot be used if the level of infections is high in the herd

A

false

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15
Q

Newborn animals have to be kept isolated when eradication with generation shift is used

A

true

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16
Q

Eradication with generation shift can be used in cattle herds

A

true

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17
Q

Eradication with generation shift can be used in pig herds

A

false

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18
Q

PCV2 always causes clinical signs in pigs

A

false

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19
Q

PCV2 always causes clinical signs in cattle

A

false

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20
Q

PDNS is a type IV hypersensitivity reaction

A

false

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21
Q

PDNS may develop without PCV2

A

true

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22
Q

Avian circovirus cuases clinical signs similar to those seen in PMWS

A

true

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23
Q

Avian circovirus causes clinical signs similar to those seen in PDNS

A

false

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24
Q

In parrots PCV2 causes psittacine beak and feather disease

A

false

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25
Q

The pigeon circovirus is not an important disease, because the virus causes feather and beak deformities

A

false

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26
Q

There is no neutralizing epitope of parvoviruses

A

false

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27
Q

The PPV1 causes renal disorders in adults

A

False

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28
Q

The embryo can be infected with PPV1

A

true

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29
Q

SMEDI is causes by goose circovirus

A

false

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30
Q

SMEDI is caused by porcine parvovirus

A

true

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31
Q

The replication of CPV2 is in the crypt cells of small intestine

A

true

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32
Q

The replication of CPV2 is in the crypt cells of large intestine

A

false

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33
Q

Bovine papillomavirus can infect horse

A

true

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34
Q

Bovine papillomavirus can cause metastatis in horse

A

false

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35
Q

The hemorrhagic nephritis enteritis virus causes glomerulonephritis

A

false

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36
Q

The hemorrhagic nephritis enteritis virus causes necrotizing haemorrhagic

A

true

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37
Q

Adenoviruses are resistant to detergents

A

true

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38
Q

Canine adenovirus 1 infection doesn’t cause viraemia

A

false

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39
Q

Canine adenovirus 2 can cause encephalitis in foxes

A

false

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40
Q

Adenoviral pneumoenteritis is rarely fatal in calves and lambs

A

true

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41
Q

Adenoviruses may cause urolithiasis in sheep

A

true

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42
Q

The egg drop syndrome virus damages the oviduct of day-old chickens

A

false

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43
Q

The turkey haemorrhagic enteritis virus can cause spleen lesions

A

true

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44
Q

The egg drop syndrome virus can be transmitted vertically

A

true

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45
Q

Herpes viruses are good antigens

A

false

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46
Q

Herpesviruses are resistant to detergents

A

false

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47
Q

Marker vaccines can be used in IBRV eradication programs in cattle farms

A

true

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48
Q

Bovine herpesmamillitis virus can cause mastitis in cowv

A

false

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49
Q

Malignant catarrhal fever develops only in suckling calves up to two weeks of age

A

false

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50
Q

Infectious bovine rhinotracheitis virus can cause abortion

A

true

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51
Q

Herpesvirus infection of adult dogs may result reproductive disorders

A

true

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52
Q

Liver lesions are frequently seen in puppies with Canid herpesvirus 1 infection

A

true

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53
Q

Both equid herpesvirus 1 and 4 can cause abortion

A

true

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54
Q

Equine rhinopneumonitis virus can cause purulent metritis

A

false

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55
Q

Equid herpesvirus 2 can cause respiratory disease only in young foals

A

true

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56
Q

Feline infectious rhinotracheitis often results high mortality in susceptible young kittens

A

true

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57
Q

The aujeszky’s disease virus causes fatal pneumonia in ruminants and carnivores

A

false

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58
Q

The natural reservoir hosts of the aujeszky’s disease virus are rodents

A

false

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59
Q

The aujeszky’s disease is a zoonosis

A

false

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60
Q

Abortion of sows can be a sign of Aujeszky’s disease

A

true

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61
Q

The infectious laryngotracheitis can cause viremia and pneumonia in young chickens

A

false

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62
Q

Conjunctivitis is a frequent sign of infectious laryngotracheitis

A

true

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63
Q

Duck plague virus may be shed lifelong by animals recovered from the disease

A

true

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64
Q

The mareks disease virus is transmitted by droplet infection

A

false

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65
Q

Poxviruses usually cause intracytoplasmic inclusion body formation in the infected cells

A

true

66
Q

Cowpox virus can cause milker’s nodules in humans

A

true

67
Q

Cowpox virus frequently causes transplacental infection and immunotolerance

A

false

68
Q

In cattle, cowpox lesions are usually seen on the teats

A

true

69
Q

Lumpy skin disease is a notifiable disease

A

true

70
Q

Vaccination against bovine popular stomatitis provides life-long immunity

A

false

71
Q

Arthropods play an important role in the transmission of lumpy skin disease

A

true

72
Q

The sheeppox virus is a zoonotic agent

A

false

73
Q

Sheeppox virus can cause respiratory signs and abortion

A

true

74
Q

Swine pox is frequently generalized in adult pigs

A

false

75
Q

Swine pox is usually an indicator of poor keeping conditions

A

true

76
Q

Myxomatosis may result over 90% mortality in susceptible animals

A

true

77
Q

Subcutaneous swellings are typical signs of myxomatosis

A

true

78
Q

The European brown hare is not susceptible to the myxoma virus

A

false

79
Q

The diphtheric (wet) form of fowlpox causes lesions on the mucous membranes

A

true

80
Q

Avian poxviruses are zoonotic, can cause fever and rash in children (chickenpox)

A

false

81
Q

Germinative infection is very frequent in mammals

A

false

82
Q

Intrauterine infection happens if the foetus is infected during pregnancy from the dam

A

true

83
Q

Newborn animals cannot be infected from the milk thanks to the colostral antibodies

A

false

84
Q

Zoonotic agents can cause disease in animals and humans

A

true

85
Q

Euryxen agents have a wide host range

A

true

86
Q

There is a minimum amount of agents that is necessary to infection of animals

A

true

87
Q

Species specific resistance means that certain agents cannot infect certain hosts

A

true

88
Q

The way of infection does not influence outcome of the infection

A

false

89
Q

In case of latent infection the genome of the agent is integrated in the genome of the host

A

true

90
Q

In the case of latent infection the agents are continuously shed

A

false

91
Q

Infection before self-recognition of the immune system can result tolerated infection

A

true

92
Q

Asymptomatic infections can become manifest

A

true

93
Q

When eradication is made with selection method, the infected animals are removed from the herd

A

true

94
Q

Eradication using the selection method is generally implemented in case of low level of infection

A

true

95
Q

Eradication using selection method can be combined with vaccination

A

true

96
Q

Eradication with selection method is not done nowadays

A

false

97
Q

In pigs the PCV2 can cause PMWS

A

true

98
Q

In pigs the PCV2 can cause BFD

A

false

99
Q

The PCV2 is proven to be immunosuppressive

A

true

100
Q

The PMWS is a type IV hypersensitivity

A

false

101
Q

The chicken infectious anemia virus cases only anemia

A

false

102
Q

Vertical infectious is not possible in chicken infectious anemia

A

false

103
Q

The chicken infectious anemia causes clinical signs similar to those seen in PDNS

A

false

104
Q

The chicken infectious anemia virus can be detected in goose

A

false

105
Q

To detect antibody of PPV1 PCR is used

A

false

106
Q

The parvovirus enteritis of dogs is caused by CPV1

A

false

107
Q

Maternal antibodies of dogs protect not longer than 2 weeks

A

false

108
Q

Cat panleukopenia can be caused by dog parvovirus

A

true

109
Q

Aleutian mink disease and mink enteritis are caused by the same virus

A

false

110
Q

The mink enteritis is type II hypersensitivity

A

false

111
Q

Ascites can be a clinical signs of Derszy’s disease

A

true

112
Q

Convulsions cannot be clinical sign of Derszy’s disease

A

false

113
Q

The sarcoid is the disease of cattle

A

false

114
Q

The sarcoid is the disease of horse

A

true

115
Q

The primary replication of hemorrhagic nephritis enteritis virus is in the lymphoid tissue around throat

A

true

116
Q

The primary replication of hemorrhagic nephritis enteritis virus is in small intestine

A

true

117
Q

Adenoviruses are poor antigens

A

false

118
Q

Canine adenovirus 1 may cause fatal encephalitis in foxes

A

true

119
Q

Canine adenovirus 2 frequently causes abortion in dogs

A

false

120
Q

Bovine adenoviruses are endemic in the majority of large scale cattle stocks

A

true

121
Q

Adenoviruses can cause purulent bronchoalveolar pneumonia in calves and lambs

A

false

122
Q

Aviadenoviruses can cause hepatitis-hydropericardium syndrome in geese

A

true

123
Q

The egg drop syndrome virus is mostly transmitted by arthropods

A

true

124
Q

The turkey hemorrhagic enteritis virus can cause marble spleen disease in pheasants

A

true

125
Q

Herpesviruses can cause latent, persisting infections

A

true

126
Q

Infectious bovine rhinotracheitis virus can cause skin lesions on the genitals

A

true

127
Q

Infectious bovine rhinotracheitis virus is transmitted by arthropods

A

false

128
Q

Malignant catarrhal fever may develop in swine

A

true

129
Q

Sheep should be immunized against malignant catarrhal fever virus

A

false

130
Q

Canine herpesvirus can cause transplacental infection

A

true

131
Q

Canine herpesvirus 1 may contribute to the kennel cough syndrome

A

true

132
Q

Equine rhinopneumonitits virus is transmitted by arthropods

A

false

133
Q

The aujeszky’s disease virus is stenoxen

A

false

134
Q

Wild boars are not susceptible to aujezky’s disease virus

A

false

135
Q

The signs of aujeszky’s disease in dogs are similar to rabies

A

true

136
Q

Inclusion body rhinitis is predisposing to fatal respiratory disease in pigs

A

false

137
Q

Conjunctivitis and muco-purulent nasal discharge are frequent signs of feline rhinotracheitis

A

true

138
Q

The infectious laryngotracheitis causes pseudomembrane formation in the oesophagus

A

false

139
Q

Infectious laryngotracheitis is most frequently seen in day-old chickens

A

false

140
Q

Duck plague virus damages blood vessel endothelium

A

true

141
Q

Pigeon herpesvirus mainly causes encephalitis in adult pigeons

A

false

142
Q

Turkey herpesvirus can be used for vaccination against Marek’s disease

A

true

143
Q

The mareks disease virus causes immunosuppression

A

true

144
Q

The pathologic lesions of acute Mareks disease and avian leukosis can be similar

A

true

145
Q

Poxviruses usually induce cell proliferation in epithelial cells of the skin and mucosal surfaces

A

true

146
Q

Cowpox virus frequently causes abortion and ecephalitis of calves

A

false

147
Q

In cattle pseudocowpox lesions are usually seen on the teats

A

true

148
Q

The pseudocowpox virus is a zoonotic agent

A

true

149
Q

Bovine popular stomatitis is caused by a parapox virus

A

true

150
Q

Vaccines induce lifelong immunity against contagious pustular dermatitis

A

false

151
Q

The lumpy skin disease is only present in Africa

A

false

152
Q

Attenuated vaccines are available against lumpy skin disease in endemic countries

A

true

153
Q

Sheeppox results high mortality in susceptible lambs

A

true

154
Q

Arthropods play an important role in the transmission of sheeppox virus

A

false

155
Q

Arthropods play an important role in the transmission of swine pox virus

A

true

156
Q

Myxomatosis virus is zoonotic

A

false

157
Q

Conjunctivitis is characteristic in the early phase of myxomatosis

A

true

158
Q

Avian pox viruses are species specific

A

false

159
Q

Virulent strains of the myxomatosis virus are persisting in wild rabbits

A

true

160
Q

Arthropods play an important role in the transmission of myxomatosis virus

A

true

Epidemiology (6 decks)

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