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Epi > Paramyxoviruses > Flashcards

Paramyxoviruses Flashcards

1
Q

1) Paramyxoviruses are bad immunogens

A

false

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2
Q

2) Paramyxoviruses can survive just a few days in the environment

A

true

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3
Q

3) Paramyxoviruses cannot cause strong cytopathogenic effect in cell cultures

A

false

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4
Q

4) Paramyxoviruses are good immunogens

A

true

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5
Q

5) Parainfluenza viruses generally cause infection in the respiratory tract

A

true

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6
Q

6) Parainfluenza viruses are highly host specific

A

false

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7
Q

7) There are no vaccines on the market against canine parainfluenza 2 virus

A

false

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8
Q

8) Canine parainfluenza virus 2 frequently causes encephalitis in old dogs

A

false

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9
Q

9) Feline morbillivirus infection may be associated with tubulo-interstitial nephritis in cats

A

true

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10
Q

10) Parainfluenza virus 2 infection is frequent in the aetiology of kennel cough

A

false

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11
Q

1) Rinderpest virus can infect pigs.

A

true

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12
Q

2) Rinderpest virus can infect cattle

A

false, should be true, affects cattle, other ruminants and swine

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13
Q

3) The morbidity of rinderpest can reach 100%

A

true

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14
Q

4) Rinderpest virus replicated only in the lungs

A

false

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15
Q

5) Rinderpest virus is resistant; it can survive in the environment for several weeks

A

false

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16
Q

6) Rinderpest virus causes viraemia

A

true

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17
Q

7) Extended interstitial pneumonia is a frequent post mortem lesion of rinderpest

A

false

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18
Q

8) Vesicle formation on the mucous membranes is typical in the case of rinderpest

A

false

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19
Q

9) Diarrhoea with blood is a typical sign of rinderpest

A

true

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20
Q

10) Enteral clinical signs are not typical in Rinderpest

A

false

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21
Q

11) Attenuated viruses are widely used for the prevention of Rinderpest in Africa

A

false

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22
Q

12) The clinical signs of rinderpest and malignant catarrhal fever are similar

A

true

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23
Q

13) Erosions in the oral and nasal cavity are clinical signs of rinderpest

A

true

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24
Q

14) Rinderpest occurs in large number in Africa

A

false

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25
Q

15) Earth is free from Rinderpest

A

true

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26
Q

16) Wild mammals are asymptomatic carriers of Rinderpest

A

false

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27
Q

17) It is mandatory to vaccinate cattle against Rinderpest

A

false

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28
Q

18) Nowadays Rinderpest virus is used as heterologous vaccine against the PPR virus

A

false

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29
Q

19) Rinderpest virus survives for years in nature

A

false

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30
Q

20) Only cattle are susceptible to Rinderpest infections

A

false

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31
Q

21) Rinderpest is carried by animals for a long time

A

false

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32
Q

22) Rinderpest commonly occurs in Africa and in Latin America

A

false

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33
Q

23) Rinderpest virus is carried by animals for several years

A

false

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34
Q

24) Cattle are infected with rinderpest virus mainly per os

A

false, should be true

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35
Q

25) Rinderpest virus can survive in the environment for several months

A

false

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36
Q

1) Peste des pest ruminants virus is resistant, it can survive in the environment for several months

A

false

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37
Q

2) Attenuated vaccines can be used for the prevention of peste des petit ruminants

A

true

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38
Q

3) Peste des petits ruminants is a widespread disease in Europe

A

false

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39
Q

4) Generally direct contact is needed to the transmission of peste des petits ruminants virus

A

true

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40
Q

5) Peste des petits ruminants virus replicates in the epithelium of the mucous membranes

A

true

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41
Q

6) Peste des petit ruminants is a frequently diagnosed disease in America

A

false

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42
Q

7) Necrosis of the oral epithelium is a typical sign of peste des petits ruminants.

A

true

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43
Q

8) Peste de petits ruminants is a zoonotic disease

A

false

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44
Q

9) Nasal discharge is a typical clinical sign of peste des petit ruminants

A

true

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45
Q

10) Erosive lesions in the oral cavity are frequent signs of Peste des petits ruminants

A

true

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46
Q

11) The Peste des petits ruminants are endemic in North- and South America

A

false

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47
Q

12) Peste des petites ruminants virus can cause haemorrhagic pneumonia

A

true

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48
Q

13) Peste des petites ruminants virus can cause haemorrhagic or necrotic enteritis

A

true

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49
Q

14) Over 50% of the animals may die during a Peste des petits ruminants outbreak

A

true

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50
Q

15) The world is free of Peste des petites ruminants

A

false

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51
Q

1) Canine distemper virus can produce a generalised infection

A

true

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52
Q

2) The pathogenesis of distemper is influenced by the immune response of the host

A

true

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53
Q

3) Distemper can be prevented only with the attenuated but not inactivated vaccines

A

false

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54
Q

4) Distemper is zoonosis

A

false

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55
Q

5) Distemper virus is shed in respiratory discharge and urine

A

true

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56
Q

6) Canine distemper has six serotypes

A

false

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57
Q

7) Neurological signs are not typical signs of canine distemper

A

false

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58
Q

8) Clinical signs of the nervous system generally do not appear always in the case of canine distemper

A

false

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59
Q

9) Canine distemper virus has one serotype with virulence variants

A

true

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60
Q

10) Salivation and chewing movements cannot be clinical signs of canine distemper

A

false

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61
Q

11) Distemper is a highly contagious disease of dogs and some other carnivores

A

true

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62
Q

12) Canine distemper virus causes immunosuppression

A

true

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63
Q

the dog is the only species which is susceptible to canine distemper virus

A

false

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64
Q

14) Three to six month old dogs are most susceptible to canine distemper virus

A

true

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65
Q

15) Enamel hypoplasia can be a sign of distemper

A

true

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66
Q

16) Hyperkeratosis of the nose and footpads are clinical signs of canine distemper

A

true

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67
Q

17) Ataxia and paralysis are the main clinical signs of distemper in cats

A

false

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68
Q

18) Distemper virus infects only dogs

A

false

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69
Q

19) Distemper can cause abortion

A

true

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70
Q

20) Dogs infected with Canine distemper virus usually become life-long carriers and shedders

A

false

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71
Q

21) Clinical manifestation of the Canine distemper is mainly seen in 3-4 months-old dogs

A

true

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72
Q

22) The outcome of Canine distemper virus infection is very much influenced by the immune response of the dog in utero

A

true

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73
Q

23) Distemper virus infects only species belonging to Canidae

A

false

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74
Q

24) Distemper virus spreads mainly by droplet infection.

A

true

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75
Q

25) Distemper virus can cause fetopathy

A

true

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76
Q

26) Distemper virus can infect species belonging to the Felidae

A

true

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77
Q

27) Distemper virus spreads mainly by arthropod vectors

A

false

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78
Q

28) Distemper is a notifiable disease

A

false

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79
Q

29) The dominant clinical sign of Canine distemper is diarrhoea

A

false

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80
Q

30) Distemper occurs in lions and dolphins

A

true

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81
Q

31) Distemper can cause encephalitis in dogs

A

true

82
Q

32) Surviving distemper does not result in protection

A

false

83
Q

33) Distemper can predispose dogs to secondary bacterial infections

A

true

84
Q

34) Vaccinations against distemper at half years of age

A

false

85
Q

35) Distemper causes de-myelinization

A

true

86
Q

36) Distemper through conjunctival smear can be diagnosed by immunofluorescence technique

A

true

87
Q

37) Canine distemper virus often causes cytoplasmic inclusion bodies in the urinary bladder epithelial cells

A

true

88
Q

1) Hendra and Nipah viruses cause zoonotic disease

A

true

89
Q

1) Hendra virus can infect mainly swine and human

A

false

90
Q

2) Hendra virus can cause respiratory and neurological signs

A

true

91
Q

3) Horse is susceptible to Hendra virus infection

A

true

92
Q

4) Hendra virus can cause enteritis in the small intestine.

A

false

93
Q

5) Natural reservoir of Hendra virus is flying fox (bat)

A

true

94
Q

6) Hendra-viruses can cause encephalitis in horses and in humans

A

true

95
Q

7) Hendra virus is found only in Australia

A

true

96
Q

1) Diseases caused by Nipah virus occur worldwide

A

false

97
Q

2) Nipah virus can cause ataxia, spasms, and paralysis in pigs

A

true

98
Q

3) Natural reservoir of Nipah virus is fruit bats

A

true

99
Q

4) Wild birds may be reservoir hosts of the Nipah-viruses

A

false

100
Q

5) Nipah virus is transmitted mainly by arthropod vectors

A

false

101
Q

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

A

true

102
Q

2) Bovine respiratory syncytial virus replicates in the alveolar epithelium

A

true

103
Q

3) Worldwide occurrence is characteristic for Bovine respiratory syncytial virus infection

A

true

104
Q

4) Bovine respiratory syncytial virus causes viraemia

A

false

105
Q

5) Bovine respiratory syncytial virus can predispose to secondary bacterial infections

A

true

106
Q

6) Subcutaneous emphysema is a common clinical sign of the disease caused by bovine respiratory syncytial virus

A

true

107
Q

7) Disease caused by bovine respiratory syncytial virus cannot be prevented with vaccination

A

false

108
Q

8) Bovine respiratory syncytial virus is spreading fast within a herd

A

true

109
Q

9) Bovine respiratory syncytial virus can cause life threatening disease in calves

A

true

110
Q

10) Bovine respiratory syncytial virus causes low morbidity and high mortality

A

false

111
Q

11) Bovine respiratory syntitial virus is caused by pneumovirus and we use inactivated vaccines for prevention

A

true

112
Q

1) Bovine parainfluenza virus causes central nervous clinical signs in calves

A

false

113
Q

2) Bovine parainfluenza-3 virus can result formation of hyalin membrane in the alveoli

A

true

114
Q

3) Disease caused by bovine parainfluenza-3 virus is very rare

A

false

115
Q

4) Bovine parainfluenza-3 virus can cause interstitial pneumonia in calves

A

true

116
Q

5) Bovine parainfluenza-3 virus infection is usually endemic in cattle farms

A

true

117
Q

6) Bovine parainffuenza-3 virus generally causes aerosol infection

A

true

118
Q

7) Fever, coughing, nasal discharge are common clinical signs of bovine PI-3 infection

A

true

119
Q

8) Disease caused by bovine parainfluenza 3 virus can be diagnosed using paired sera

A

true

120
Q

9) Bovine parainfluenza virus 3 is frequently endemic in cattle farms

A

true

121
Q

10) Parainfluenza 3 virus of cattle spreads mainly by arthropod vectors

A

false

122
Q

11) Symptoms of parainfluenza 3 virus infection of cattle are similar to RS virus infection

A

true

123
Q

12) Parainfluenza-3 virus of cattle can cause thromboembolic meningoencephalitis

A

false

124
Q

13) Parainfluenza-3 virus infection of calves is frequently followed by secondary bacterial infection

A

true

125
Q

14) Parainfluenza-3 viruses causes disease primarily in young calves

A

true

126
Q

15) A common route of infection with parainfluenza-3 is through inhalation

A

true

127
Q

16) Parainfluenza-3 virus can predispose cattle to pneumonia caused by bacteria

A

true

128
Q

17) The main clinical sign of a parainfluenza-3 infection is diarrhoea

A

false

129
Q

18) Parainfluenza-3 virus aids in secondary bacterial contaminations

A

true

130
Q

1) Velogenic strains of Newcastle disease virus (NDV) cause an acute form of the disease

A

true

131
Q

2) Velogenic strains of Newcastle disease virus (NDV) cause an acute septicemia

A

false

132
Q

3) Live mesogenic strains of NDV are used for vaccinations in Europe

A

true

133
Q

4) Day-old chicken can be vaccinated with apathogenic strains to prevent ND

A

true

134
Q

5) Hen flocks are vaccinated with lentogenic/apathogenic strains to induce maternal immunity

A

true

135
Q

6) Mesogenic strains of NDV are used for vaccination in some countries

A

true

136
Q

7) Apathogenic trains of NDV are used for vaccination

A

false, should be true

137
Q

8) Velogenic-viscerotropic NDV strains can cause disease with high mortality

A

true

138
Q

9) ND is caused by virulent strains of the APMV-1 serogroup

A

false, should be true

139
Q

10) Members of every APMV serogroup can cause Newcastle disease

A

false

140
Q

11) It is possible to determine the virulence of AMPV-1 strains by sequencing

A

true

141
Q

12) A usual 1st symptom of neurotropic-vNDV infection is diarrhea

A

false

142
Q

13) An acute, nervous form of Newcastle disease can frequently be seen in ducks

A

false

143
Q

14) An acute, nervous form of Newcastle disease can frequently be seen in dogs

A

false

144
Q

15) Newcastle disease is caused by virulent strains of serogroup APMV-1

A

true

145
Q

16) An intracerebral pathogenicity index higher than 0.7 is a criterion of ND

A

true

146
Q

17) The sequence of Newcastle disease virus F0 splice is a significant factor in its virulence

A

true

147
Q

18) Newcastle Disease ND viruses cause dwarfism in embryonated chicken eggs

A

false

148
Q

19) There are no vaccines for the prevention of Newcastle disease.

A

false

149
Q

20) Only faeces of the infected birds contains Newcastle disease virus

A

false

150
Q

21) Diarrhoea is a clinical sign of Newcastle disease

A

true

151
Q

22) Virulence of Newcastle disease virus can be characterised with the chicken embryo survival index

A

true

152
Q

23) Newcastle disease is caused by avian paramyxovirus 1

A

true

153
Q

24) Newcastle disease virus can infect only chicken

A

false

154
Q

25) Worldwide distribution is common for Newcastle disease virus

A

true

155
Q

26) Inhalation is an important way of transmission of Newcastle disease virus

A

true

156
Q

27) Per os infection is an important way of transmission of Newcastle disease virus

A

true

157
Q

28) Eurasia is free from Newcastle disease

A

false

158
Q

29) Humans are resistant against Newcastle disease virus

A

false

159
Q

30) Lentogenic Newcastle disease virus cause severe fatal infection

A

false

160
Q

31) Lentogenic NDV may cause disease in young turkey

A

true

161
Q

32) Germinative infection is an important way of transmission of Newcastle disease virus

A

false

162
Q

33) Lentogenic Newcastle disease virus can cause high morbidity and mortality in poultry flocks

A

false

163
Q

34) Lentogenic Newcastle disease virus is more virulent than velogenic

A

false

164
Q

35) Newcastle disease virus causes viraemia

A

true

165
Q

36) Newcastle disease virus damages blood vessels

A

true

166
Q

37) The clinical signs of Newcastle disease and avian influenza are similar

A

true

167
Q

38) Virulence of Newcastle disease virus can be characterised with the intracerebral pathogenicity index

A

true

168
Q

39) There are different virulence variants of Newcastle disease virus

A

true

169
Q

40) Only inactivated vaccines may be used for the prevention of Newcastle disease

A

false

170
Q

41) Velogenic Newcastle disease virus is more virulent than mesogenic

A

true

171
Q

42) Tremor, spasms and torcicollis are clinical signs of Newcastle disease

A

true

172
Q

43) Newcastle disease, splice site significant

A

true

173
Q

44) Vaccination against Newcastle disease is used all over world

A

true

174
Q

45) The vaccine for NDV is a lentogenic strain.

A

true

175
Q

46) Lentogenic stain is used in vaccines for new castles disease

A

true

176
Q

47) Newcastle disease virus velogen viscerotop and neurotrop causes neurological signs

A

true

177
Q

48) Wild birds may be reservoir hosts of the Newcastle disease virus

A

true

178
Q

49) The virulence of Newcastle disease strains can be determined by sequence analysis of certain genes

A

true

179
Q

50) Newcastle disease virus cannot survive long in the environment

A

false

180
Q

51) Newcastle disease virus is typically vectored by ticks

A

false

181
Q

52) Velogenic strains of Newcastle disease virus always cause encephalitis

A

true

182
Q

53) Lentogenic strains of Newcastle disease virus can be used for vaccine production

A

true

183
Q

54) Velogenic viscerotrop strains of Newcastle disease virus can be used for vaccine production

A

false

184
Q

55) Avian paramyxoviruses (APMV) belong into 9 serogroups

A

true

185
Q

56) Lentogenic strains of Newcastle disease virus do not cause clinical signs

A

false

186
Q

57) Wild boars may transmit Newcastle disease virus

A

false

187
Q

58) Any member of the avian paramyxovirus serogroups may cause Newcastle disease

A

false

188
Q

59) Avian paramyxovirus-1 usually causes central nervous disease in pigeons

A

true

189
Q

60) Newcastle disease virus can be taken up by inhalation and per os

A

true

190
Q

61) CNS clinical signs are frequently seen in chicken in the case of Newcastle disease

A

true

191
Q

62) Newcastle disease could easily be differentiated from avian influenza

A

false

192
Q

63) Using vaccines of velogenic strains of Newcastle disease virus good protection can be reached

A

false

193
Q

1) Drop of egg production is a clinical sign of avian metapneumovirus infection

A

true

194
Q

2) Avian metapneumovirus infection occurs only in America

A

false

195
Q

3) Avian metapneumovirus infection spreads very fast within the flock

A

true

196
Q

4) Disease caused by avian metapneumovirus is more severe in turkeys than hens

A

true

197
Q

5) In avian metapneumovirus infection the egg production drops/decreases

A

true

198
Q

6) Swollen head syndrome (SHS) caused by avian metapneumonia virus.

A

true

199
Q

7) Wild birds may be reservoir hosts of avian metapneumoviruses

A

true

200
Q

8) Avian metapneumoviruses can cause respiratory signs and egg production problems

A

true

201
Q

9) Turkey rhinotracheitis virus causes disease in turkeys and chickens

A

true

202
Q

10) Turkey rhinotracheitis is most frequent at 4-9 weeks of age

A

true, should be false, all ages are susceptible

Epi (74 decks)

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