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Epidemiology - FINAL PQS > PQS - entrance exam [3] > Flashcards

PQS - entrance exam [3] Flashcards

1
Q

Because of endothelial damage Classical swine fever results in haemorrhages.

A

True

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2
Q

Goats are more resistant to the bluetongue than sheep.

A

True

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3
Q

The natural reservoirs of the African horse sickness virus are mainly zebras.

A

True

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4
Q

Orthoreoviruses frequently cause tenosynovitis of horses.

A

False

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5
Q

Acute form of African horse sickness occurs mainly in zebras and horses.

A

False

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6
Q

Orthoreoviruses can cause tenosynovitis in pigs.

A

False

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7
Q

Akabane virus causes foetal damages in dogs.

A

False

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8
Q

The main host of influenza is the swine.

A

False

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9
Q

During necropsy of acute Classical swine fever cases, haemorrhages can be seen in the gastric
mucosa.

A

True

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10
Q

Non-cytopathic strains of the Bovine viral diarrhoea virus (BVDV) can’t cause transplacental
infection.

A

False

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11
Q

Influenza viruses are classified into genera by their HA and NA proteins.

A

False

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12
Q

Canine distemper virus has one serotype with virulence-variants

A

True

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13
Q

Bovine RS virus can cause severe pneumonia in 6 months to 2 years old calves

A

True

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14
Q

Paramyxoviruses are bad immunogens

A

False

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15
Q

Antigenic shift means the reassortment of the infuenzavirus genome segments

A

True

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16
Q

Salivation and chewing movements cannot be clinical signs of canine distemper

A

False

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17
Q

Hendra virus can infect mainly swine and human

A

False

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18
Q

Canine distemper virus can produce a generalised infection

A

True

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19
Q

Infectious bronchitis virus causes tracheitis and pneumonia in chicken below 6 weeks of age

A

True

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20
Q

Retroviruses are enveloped, their resistance is low

A

True

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21
Q

Retroviruses are generally host specific viruses

A

True

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22
Q

Vesicular stomatitis virus does not cause viraemia only local lesions

A

False

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23
Q

The mortality of vesicular stomatitis is low

A

True

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24
Q

Rabies virus is shed in the viraemic phase of the disease

A

False

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25
Q

The clinical signs of PRRS can be abortion like SMEDI

A

True

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26
Q

Borna disease occurs only in horses

A

False

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27
Q

By slaughtering seropositive animals, ovine pulmonary adenomatosis can be eradicated

A

False

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28
Q

Ovine pulmonary adenomatosis virus is transmitted with tracheal discharge

A

True

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29
Q

Fever is a major clinical sign of equine infectious anaemia

A

True

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30
Q

Sheep are resistant against caprine arthritis-encephalitis virus

A

False

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31
Q

Lymphoid leukosis is the most frequent clinical form of avian leukosis

A

True

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32
Q

Maedi and visna are caused by the same virus species

A

True

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33
Q

Tetanus is seen only in horses

A

False

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34
Q

The incubation of BSE is 3-5 years

A

True

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35
Q

Lesions of malignant oedema are mainly seen in the large muscles

A

True

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36
Q

Anaculture or anatoxin vaccines are used for the prevention of malignant oedema

A

True

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37
Q

Scrapie prion is shed in discharges of the infected animals

A

True

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38
Q

In the case of transmissible encephalopathies meningoencephalitis is a typical postmortem
lesion

A

False

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39
Q

Bradsot is caused by Clostridium chauvoei.

A

False

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40
Q

Diarrhoea is a frequent clinical sign of listeriosis in sheep

A

False

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41
Q

Sheep are generally infected with the agent of swine erysipelas per os

A

False

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42
Q

Fibrinous pneumonia can frequently occur in the case of swine erysipelas

A

False

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43
Q

Listeria bacteria can be found in the soil

A

True

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44
Q

Clinical signs of porcine streptococcosis can mainly be seen in piglets

A

True

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45
Q

The toxin of Clostridium botulinum has irreversible e!ect

A

True

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46
Q

Penicillin is recommended for the treatment of acute swine erysipelas

A

True

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47
Q

Caseous lymphadenitis of sheep can be diagnosed using microscopy

A

True

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48
Q

The tuberculin test in cattle can be false negative if the animal is infected with facultative
pathogenic mycobacteria

A

False

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49
Q

The thermal tuberculin test can be used in order to examine the organic reaction of bovine
tuberculosis

A

True

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50
Q

False positive reactions of the tuberculin test in cattle can be caused by infection with
facultative pathogenic mycobacteria.

A

True

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51
Q

Tuberculosis lesions in the lymph node are common in the early generalisation

A

True

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52
Q

Infected cattle shed the agents of bovine tuberculosis in tracheal discharge

A

True

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53
Q

Cough is a typical clinical sign of bovine pulmonary tuberculosis

A

True

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54
Q

Respiratory distress is a clinical sign of canine actinomycosis

A

True

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55
Q

Coli diarrhoea of new-born piglets is caused by fimbriated Escherichia coli strains

A

True

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56
Q

The agent of paratuberculosis is shed in the faeces

A

True

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57
Q

Oedema disease occurs most frequently in calves

A

False

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58
Q

Omphalitis is a frequent sign of Escherichia coli disease of day-old chicken

A

True

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59
Q

Calves are vaccinated with inactivated vaccines in order to prevent coli septicaemia

A

False

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60
Q

High fever is a typical clinical sign of bovine coli-septicaemia

A

True

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61
Q

Rodents and birds can infect cattle with salmonellae

A

True

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62
Q

Bovine salmonellosis is always limited to the gut

A

False

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63
Q

Fowl paratyphoid is limited to the gut, there is no septicaemia

A

False

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64
Q

Salmonellosis can cause septicaemia in sheep

A

True

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65
Q

Fever is a common clinical sign of swine paratyphoid.

A

True

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66
Q

Transportation of animals can predispose cattle to salmonellosis

A

True

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67
Q

Some viral infections can predispose animals to fowl paratyphoid

A

True

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68
Q

Pasteurella multocida can cause pasteurellosis in cattle

A

True

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69
Q

Respiratory pasteurellosis occurs only among cattle above 6 months of age

A

False

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70
Q

Pasteurella bovis can cause pasteurellosis in cattle.

A

False

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71
Q

Yersinia pseudotuberculosis can cause disease in hares

A

True

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72
Q

Overcrowding can predispose animals to ornithobacteriosis

A

True

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73
Q

Mannheimia haemolytica causes rabbit pasteurellosis

A

False

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74
Q

Overcrowding is a predisposing factor of respiratory pasteurellosis of cattle

A

True

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75
Q

Infectious coryza is a generalised disease

A

False

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76
Q

Infectious coryza occurs in chicken, turkey, and waterfowl

A

False

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77
Q

Histophilus ovis can cause mainly pneumonia in sheep

A

False

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78
Q

Histophilus ovis can cause pneumonia in cattle

A

True

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79
Q

Brucella ovis mainly causes abortion, clinical signs in males are rare

A

False

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80
Q

Mainly attenuated vaccines are used for the prevention of actinobacillus pleuropneumonia of
swine.

A

False

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81
Q

Focal in$ammation and necrosis in the liver is a common postmortem lesion on of fowl
cholera.

A

True

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82
Q

Herd replacement is the only way of eradication of porcine brucellosis

A

True

83
Q

Bordetella bronchiseptica can cause disease only in pigs

A

False

84
Q

Tularaemia is a zoonosis

A

True

85
Q

Brucella canis is shed in the semen

A

True

86
Q

Clinical signs of tularaemia are mainly seen in cattle

A

False

87
Q

Clinical signs of tularaemia are mainly seen in cattle

A

True

88
Q

Brucella canis cannot cause abortion in dogs, it causes only orchitis in males

A

False

89
Q

Ulcers in the skin are frequent clinical signs of glanders

A

True

90
Q

There are no vaccines for the prevention of infectious bovine keratoconjunctivitis

A

False

91
Q

The causative agent of avian bordetellosis is Bordetella bronchiseptica

A

False

92
Q

Granulomas in the skin are frequent clinical signs of glanders

A

True

93
Q

Glanders is caused by Burkholderia mallei

A

True

94
Q

Susceptible animals are mainly infected per os with the agent of glanders

A

True

95
Q

Glanders occurs only in horses

A

False

96
Q

Rabbit syphilis is a zoonosis

A

False

97
Q

Intestinal adenomatosis is a form of proliferative enteropathies

A

True

98
Q

Lyme borreliosis is transmitted by mosquitoes

A

False

99
Q

Campylobacters are microaerophilic bacteria

A

True

100
Q

Lyme borreliosis is frequently asymptomatic in animals

A

True

101
Q

Regional ileitis is a form of proliferative enteropathies

A

True

102
Q

Campylobacter jejuni frequently causes severe diarrhoea and losses in poultry

A

False

103
Q

Diarrhoea is a frequent clinical sign of bovine leptospirosis.

A

False

104
Q

The lesions of swine dysentery can be seen in the large intestine

A

True

105
Q

Abortion can be a clinical sign of bovine leptospirosis

A

True

106
Q

Attenuated vaccines are widely used for the prevention of swine dysentery

A

False

107
Q

Pneumonia is a frequent clinical sign of bovine leptospirosis

A

False

108
Q

Leptospirosis of suckling piglets is a frequent acute disease

A

False

109
Q

The agent of swine dysentery can cause disease in humans

A

False

110
Q

Mycoplasma bovis can cause reproduction problems in cattle

A

True

111
Q

Abortion caused by chlamydia can be diagnosed by microscopic examination

A

True

112
Q

Contagious agalactia of sheep and goats is caused by Mycoplasma agalactiae

A

True

113
Q

Chlamydia abortus can cause abortion of ewes

A

True

114
Q

Eperythrozoonosis of sheep and goats is caused by Mycoplasma ovis

A

True

115
Q

Anaemia is a clinical sign of bovine anaplasmosis

A

True

116
Q

Resistance of mycoplasmas is good; they can survive in the environment for several months

A

False

117
Q

Germinative infection is very frequent in mammals

A

False

118
Q

The method of vaccination has no effect on the efficacy of the vaccination

A

False

119
Q

Arthropod borne infections are direct infections

A

False

120
Q

Euryxen agents have a wide host range.

A

True

121
Q

Enteral lymphocytes of the dam can be transferred to the o!spring in the
colostrum

A

True

122
Q

Formation of immune complexes can be a consequence of persistent viral
infection.

A

True

123
Q

SMEDI is caused by goose circovirus

A

False

124
Q

DNS is a type IV hypersensitivity reaction.

A

False

125
Q

Ascites can be a clinical sign of Derzsy’s disease

A

True

126
Q

Vaccination against canine parvovirus 2 depends on maternal antibodies

A

True

127
Q

If 100-day-old swine foetuses are infected with parvovirus, respiratory clinical signs
can be seen.

A

False

128
Q

SMEDI is caused by goose circovirus

A

False

129
Q

Adenoviruses can cause purulent bronchoalveolar pneumonia in calves and lambs

A

False

130
Q

No long-term carrier stage is seen in canine adenovirus serotype 1 infections.

A

False

131
Q

Herpesviruses are resistant to detergents.

A

False

132
Q

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

A

True

133
Q

Adenoviral pneumoenteritis is rarely fatal in calves and lambs

A

True

134
Q

Dogs carry the canine adenovirus in the kidneys for several months

A

True

135
Q

In cattle, cowpox lesions are usually seen on the teats

A

True

136
Q

The Aujeszky’s disease virus may infect multiple mammalian hosts

A

True

137
Q

Felid herpesvirus does not cause respiratory signs, only viraemia and abortion.

A

False

138
Q

Pigs infected with wild type Aujeszky’s disease virus can be differentiated from
vaccinated ones by serological tests (i.e. gE ELISA).

A

True

139
Q

Canid herpesvirus infection can cause abortion

A

True

140
Q

Swine pox is usually an indicator of poor keeping conditions

A

True

141
Q

Lumpy skin disease is caused by parapox viruses

A

False

142
Q

The pseudocowpox virus is a zoonotic agent.

A

True

143
Q

Calves should be vaccinated against bovine papular stomatitis

A

False

144
Q

Sheep pox is a generalized disease with fever

A

True

145
Q

Serological cross-protectivity exists between certain poxvirus species but only
within genus.

A

True

146
Q

Swinepox virus can cause respiratory signs and abortion

A

False

147
Q

The virus of Teschen disease is shed in the faeces for several weeks after infection

A

True

148
Q

Flaccid paralysis is a typical clinical sign of Talfan disease

A

True

149
Q

The resistance of swine vesicular disease virus is very low; it cannot survive in the
environment.

A

False

150
Q

The foot and mouth disease virus can retain its infectivity in dried milk for months

A

True

151
Q

The clinical signs of Talfan disease are more severe than that of Teschen disease.

A

False

152
Q

Spasmodical paddling is a frequent clinical sign of duck hepatitis

A

True

153
Q

Only chickens are susceptible to avian nephritis virus

A

True

154
Q

Vaccination of horses in the Americas is used to prevent togavirus infections

A

True

155
Q

Both serotypes of bursitis virus are pathogenic.

A

False

156
Q

Togavirus infection in horses results in hepatitis

A

False

157
Q

Watery diarrhoea is a typical clinical sign of Gumboro disease

A

True

158
Q

The avian hepatitis E causes drop in egg production.

A

True

159
Q

Because of endothelial damage Classical swine fever results in haemorrhages

A

True

160
Q

Avian orthoreoviruses can cause inapparent infection in poultry

A

True

161
Q

Vaccination against bluetongue results serotype specific immunity

A

True

162
Q

Mammalian orthoreoviruses can cause pneumoenteritis only in suckling animals

A

False

163
Q

Lameness and abortions are signs of bluetongue

A

True

164
Q

Losses due to rotavirus infection of young animals can be prevented by colostrum-
feeding.

A

True

165
Q

Normal sized spleen can be observed in uncomplicated cases of subacute Classical
swine fever.

A

True

166
Q

The boutons in the intestines are characteristic lesions in subacute Classical swine
fever.

A

True

167
Q

The border disease virus frequently causes encephalitis in ewes

A

False

168
Q

In acute Classical swine fever skin haemorrhages and bloody nasal discharge can
be observed.

A

True

169
Q

During necropsy of acute Classical swine fever cases, haemorrhages can be seen in
the gastric mucosa.

A

True

170
Q

Nairobi sheep disease causes a generalized infection in the animals

A

True

171
Q

Pigs infected with BVDV turn seropositive to classical swine fever

A

True

172
Q

Bovine parain$uenza virus causes central nervous clinical signs in calves

A

False

173
Q

In poultry farms LPAI may be endemic without clinical signs

A

True

174
Q

Peste des petit ruminants is a frequently diagnosed disease in America.

A

False

175
Q

Bovine RS virus causes low morbidity and high mortality

A

False

176
Q

Bovine RS virus can cause life threatening disease in calves

A

True

177
Q

Influenzaviruses are sensitive to drying out

A

True

178
Q

Eurasia is free from Newcastle disease

A

False

179
Q

Bovine coronavirus is generally spreading in summer

A

False

180
Q

The antibodies against porcine respiratory coronavirus protect the pigs against
TGE.

A

True

181
Q

Vesicular stomatitis virus can cause clinical signs in horses

A

True

182
Q

The antibodies against porcine respiratory coronavirus protect the pigs against
porcine epidemic diarrhoea virus

A

False

183
Q

Vesicular stomatitis is a zoonotic disease

A

True

184
Q

Rabies virus is shed in the viraemic phase of the disease

A

False

185
Q

Rabies virus is spreading along the nerves

A

True

186
Q

Nasal discharge is frequently seen in the case of ovine pulmonary adenomatosis

A

True

187
Q

Feline leukosis is maintained by persistently infected cats

A

True

188
Q

Retroviruses are euryxemic agents

A

False

189
Q

Avian leukosis viruses have several subgroups

A

True

190
Q

Feline leukosis virus can cause horizontal and vertical infection

A

True

191
Q

Proventricular dilatation disease is a zoonosis

A

False

192
Q

All avian leukosis viruses are oncogenic

A

True

193
Q

Classical swine fever is a frequent predisposing factor of bradsot

A

False

194
Q

Malignant oedema is generally a consequence of wound infection

A

True

195
Q

Anthrax is a chronic disease in ruminants.

A

False

196
Q

Bradsot occurs mainly in tropical and subtropical countries.

A

False

197
Q

The EU is free from scrapie

A

False

198
Q

Oedema factor is a virulence factor of the agent of anthrax

A

True

199
Q

Bacillus anthracis cannot produce spores in the infected animals

A

True

200
Q

Abscessation of the lymph nodes is a clinical sign of strangles

A

True

201
Q

Listeriosis is a zoonosis.

A

True

202
Q

Listeria ovis is the agent of listeriosis.

A

False

203
Q

Warm weather is a predisposing factor of swine erysipelas

A

True

Epidemiology - FINAL PQS (9 decks)

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