HERPESVIRUS PART2 Flashcards Preview

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Flashcards in HERPESVIRUS PART2 Deck (189)
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1
Q

Equine rhinopneumonitis virus is transmitted by arthropods

A

F

2
Q

For immunisation against equine rhinopneumonitis virus mostly marker vaccines are
used

A

F

3
Q

Equine rhinopneumonitis virus can cause abortion several weeks after acute infection.

A

T

4
Q

Equine rhinopneumonitis virus causes cytoplasmic inclusion bodies in the foetal
hepatocytes.

A

F

5
Q

Equine rhinopneumonitis virus can cause abortion several weeks after acute infection.

A

T

6
Q

Equid herpesvirus 4 more frequently causes encephalitis than Equid herpesvirus 1

A

F

7
Q

Horses should be vaccinated against equine rhinopneumonitis virus at least every 6
months

A

T

8
Q

Equine rhinopneumonitis virus causes necrotic foci in the liver of the foetus

A

T

9
Q

Fever and serous nasal discharge are early signs of acute equine rhinopneumonitis

A

T

10
Q

Equine rhinopneumonitis virus can cause purulent metritis

A

F

11
Q

Only equine herpesvirus 4 can cause abortion

A

F

12
Q

Pregnant mares abort usually in the acute phase of equine rhinopneumonitis

A

F

13
Q

After EHV1 infection pregnant mares abort in the acute febrile stage

A

F

14
Q

Immunisation against equine rhinopneumonitis virus provides life long protection

A

F

15
Q

Equine rhinopneumonitis virus is present only in North America

A

F

16
Q

The equid herpesvirus 1 may cause abortion storms in studs

A

T

17
Q

Pregnant mares abort usually several weeks after equid herpesvirus 1 infection

A

T

18
Q

Vaccinated horses cannot get infected with Equid herpesvirus 1

A

F

19
Q

Equid herpesvirus 1 associated abortions are always sporadic

A

F

20
Q

Equid herpesvirus 1 may cause subclinical infection in horses

A

T

21
Q

Only pregnant mares should be immunized against Equid herpesvirus-1 infection.

A

F

22
Q

A single vaccination against Equid herpesvirus-1 provides life-long protection.

A

F

23
Q

Equine rhinopneumonitis virus can cause only respiratory problems.

A

F

24
Q

Both equid herpesvirus 1 and 4 can cause abortion.

A

T

25
Q

For immunisation against Equine rhinopneumonitis virus mostly marker vaccines are
used.

A

F

26
Q

A single vaccination of a horse against EHV-1 induces protection for several years

A

F

27
Q

Equine herpesvirus-4 primarily causes abortion in horses

A

F

28
Q

Equine herpesvirus-4 causes mainly respiratory symptoms in horses.

A

T

29
Q

Equine herpesvirus-1 contains cross-reactive proteins against disease caused by EHV-4.

A

T

30
Q

Vaccination containing Equine herpesvirus-1 also provides protection against EHV-4.

A

F

31
Q

Equine herpesvirus-1 primarily causes respiratory symptoms in horses.

A

F

32
Q

Equine herpesvirus-1 primarily causes abortion

A

T

33
Q

One vaccination is enough to prevent Equine herpesvirus-1.

A

F

34
Q

Mares infected with Equine herpesvirus-1 have a febrile state, then abort.

A

T

35
Q

Horses should be vaccinated against Equine herpesvirus-1 every six months

A

F

36
Q

Equine herpesvirus 2 may cause keratoconjunctivitis.

A

T

37
Q

Equine herpesvirus 2 can cause respiratory disease only in young foals

A

T

38
Q

Equid herpesvirus-2 may cause respiratory disease in foals.

A

T

39
Q

Equid herpesvirus 5 may play a role in the equine multinodular pulmonary fibrosis.

A

T

40
Q

Equid herpesvirus 2 may cause keratoconjunctivitis in foals.

A

T

41
Q

Equid herpesvirus 5 causes encephalitis in foals

A

F

42
Q

Equine herpesvirus-2 and 5 causes pustular vulvovaginitis

A

F

43
Q

Equid herpesvirus-2 may cause Coital Exanthemas in horse.

A

F

44
Q

Equid herpesvirus-2 and 5 cause diarrhoea and hepatitis in foals.

A

F

45
Q

In horses infected with Equine herpesvirus-2, the symptoms are often unnoticed.

A

T

46
Q

Equine herpesvirus-2 in horses does not cause symptoms in adult animals

A

T

47
Q

It is enough to vaccinate mares 2 times against Equine herpesvirus-2

A

F

48
Q

Equid herpesvirus 3 can cause lesions on the genital mucosa without abortion

A

T

49
Q

Equid herpesvirus 3 may cause coital exanthema in horses

A

T

50
Q

Abortion is frequent complication of coital exanthema in mares

A

F

51
Q

Herpesvirus 3 can be transmitted through mating

A

T

52
Q

Coital exanthema virus frequently causes abortion

A

F

53
Q

Coital Exanthema virus does not cause abortion.

A

T

54
Q

Equine Coital Exanthema can cause abortion storms in studs.

A

F

55
Q

Equine herpesvirus-3 cause abortion storms.

A

F

56
Q

Canine herpesvirus infection can cause abortion.

A

T

57
Q

Herpesvirus infection of adult dogs may result in reproductive disorders

A

T

58
Q

Canine herpesvirus infection frequently appears with flu like symptoms

A

T

59
Q

Feline herpesvirus infects dogs as well.

A

F

60
Q

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

A

T

61
Q

Canine herpesvirus infection can cause blue eye disease.

A

F

62
Q

Herpesvirus is frequently causing kennel cough

A

T

63
Q

Hypothermia and weak immune response facilitate the severity of canid herpes virus
infection of dogs

A

T

64
Q

Latent canine herpesvirus infection can be activated in pregnant bitches

A

T

65
Q

Canine herpesvirus can cause transplacental infection

A

T

66
Q

Pregnant bitches can be immunised against canine herpesvirus with inactivated vaccine

A

T

67
Q

Herpes infection of pups 2-3 weeks old is fatal

A

T

68
Q

Canine Herpes virus may remain in latency for years in infected animals.

A

T

69
Q

Canine herpesvirus 1 may contribute to the kennel cough syndrome

A

T

70
Q

Canid herpesvirus-1 may cause generalized infection and severe disease in young
puppies.

A

T

71
Q

Inactivated vaccines are available for immunization against Canid herpesvirus-1.

A

T

72
Q

Upper respiratory infection of Canid herpesvirus-1 may contribute to the kennel cough
syndrome

A

T

73
Q

In utero infections with Canid herpesvirus may result in abortion.

A

T

74
Q

Decreased body temperature has a negative effect on Canine herpesvirus infected
animals.

A

T

75
Q

Herpesvirus infection of dogs is most severe in 3-6 months old puppies.

A

F

76
Q

Large dog kennels are usually seropositive for canine herpesvirus.

A

T

77
Q

Canine herpesvirus infection can be deadly below 2-3 weeks of age. T

A

T

78
Q

Feline rhinotracheitis predisposes to pneumonia caused by Bordetella bronchiseptica.

A

T

79
Q

Feline rhinotracheitis can cause foetal developmental anomalies in pregnant cats.

A

T

80
Q

Felid herpesvirus does not cause viraemia and abortion.

A

F

81
Q

Abortion is uncommon in feline rhinotracheitis of pregnant animals.

A

F

82
Q

Abortion is rare in rhinotracheitis infected pregnant cats.

A

F

83
Q

Sneezing is a typical sign of feline infectious rhinotracheitis

A

T

84
Q

Feline herpesvirus does not cause respiratory signs, only viraemia and abortion

A

F

85
Q

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

A

T

86
Q

Clinical signs of feline infectious rhinotracheitis are similar to those of calicivirus

A

T

87
Q

Feline infectious rhinotracheitis often results high mortality in susceptible young kittens.

A

T

88
Q

Feline infectious rhinotracheitis often results in abortion of pregnant queens

A

T

89
Q

Felid herpesvirus 1 spreads slowly in cat populations

A

F

90
Q

Feline infectious rhinotracheitis is characterized by inflammation of the upper
respiratory tract

A

T

91
Q

Crowded area, poor general condition and stress contribute significantly to the
development of feline infectious rhinotracheitis

A

T

92
Q

Prolonged contact is usually needed for successful transmission of feline infectious
rhinotracheitis

A

T

93
Q

Feline infectious rhinotracheitis can be treated with specific hyperimmune sera

A

T

94
Q

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

A

T

95
Q

Feline Infectious Rhinotracheitis occurs in summer because Felid herpesvirus-1 is
transmitted by mosquitoes

A

F

96
Q

Feline herpesvirus-1 is mainly transmitted by mosquitoes.

A

F

97
Q

Feline Infectious Rhinotracheitis virus is transmitted mainly through the air.

A

F

98
Q

The Feline Infectious Rhinotracheitis virus is very contagious to cats

A

T

99
Q

Mucous is a frequent sign of Feline Infectious Rhinotracheitis.

A

T

100
Q

The infectious laryngotracheitis is seen only in young chickens

A

F

101
Q

Diarrhoea is frequent in infectious laryngotracheitis of chickens

A

F

102
Q

Infectious laryngotracheitis virus strains may differ in virulence

A

T

103
Q

Encephalitis is a frequent complication in Infectious Laryngotracheitis of chickens

A

F

104
Q

Ducks are the most susceptible to infectious laryngotracheitis virus

A

F

105
Q

The infectious laryngotracheitis causes pseudomembrane formation in the oesophagus

A

F

106
Q

Chickens above 6 weeks of age are not susceptible to infectious laryngotracheitis

A

F

107
Q

The infectious laryngotracheitis can cause viraemia and pneumonia in young

A

F

108
Q

Conjunctivitis is a frequent sign of infectious laryngotracheitis

A

T

109
Q

Infectious laryngotracheitis virus is typically transmitted by the germinative route

A

F

110
Q

Infectious laryngotracheitis can be deadly in chickens

A

T

111
Q

Infectious laryngotracheitis is most frequently seen in day-old chickens

A

F

112
Q

Infectious laryngotracheitis virus is shed mainly with faeces

A

F

113
Q

Infectious Laryngotracheitis virus replicates in the liver of cats

A

F

114
Q

Infectious Laryngotracheitis virus replicates in the upper respiratory tract

A

T

115
Q

Germinative route is the most important factor in the transmission of the Infectious
Laryngotracheitis virus

A

F

116
Q

Tracheal lesions of Infectious Laryngotracheitis may be similar to those of fowl pox.

A

T

117
Q

The Infectious Laryngotracheitis virus does not cause viraemia

A

T

118
Q

Infectious Laryngotracheitis is most frequently seen in day-old turkey.

A

F

119
Q

Infectious Laryngotracheitis virus is present worldwide

A

T

120
Q

Infectious Laryngotracheitis usually occurs clinically under 6 weeks of age.

A

F

121
Q

Infectious Laryngotracheitis causes changes in the larynx and upper airways.

A

T

122
Q

Infectious Laryngotracheitis virus invades the kidneys after viraemia

A

F

123
Q

Infectious Laryngotracheitis also occur in Hungary.

A

T

124
Q

Infectious Laryngotracheitis causes eggshell deformation.

A

F

125
Q

Infectious Laryngotracheitis frequently damages the oviduct of hen

A

F

126
Q

Infectious Laryngotracheitis can be deadly in chickens.

A

T

127
Q

Mortality of infectious laryngotracheitis can go up to 50%.

A

T

128
Q

In case of viraemia the GaHV2 spreads to fowl’s organs in macrophages.

A

T

129
Q

Transient paralysis form of Marek’s disease can be present in 6-week-old chicken

A

T

130
Q

Infection of Marek’s disease can occur in hatchery

A

T

131
Q

The vaccines of Marek’s disease are not efficient.

A

F

132
Q

The turkey herpesvirus causes cross immunity against Marek’s disease

A

T

133
Q

Turkey Herpes virus can be used for vaccination against Marek Disease

A

T

134
Q

Lymphoproliferative form of Marek’s disease can be present in 6-week-old chicken

A

T

135
Q

Lymphoproliferative form of Marek’s disease can be present in hens (older age).

A

F

136
Q

Clinical signs of Marek’s disease present rare, because of vaccination.

A

T

137
Q

Lymphoproliferative form of Mareks disease is a chronic disease

A

F

138
Q

The duck herpesvirus causes cross immunity against Marek disease

A

F

139
Q

he free virions spread to organs independent of cells in the case of Marek disease

A

F

140
Q

Transient paralysis form of Mareks disease can be present in hens

A

F

141
Q

Lymphoproliferative form of Mareks disease is an acute disease

A

T

142
Q

Neurological form of Mareks disease can be present in 4 week old chicken

A

F

143
Q

There is in ovo vaccine against Mareks disease

A

T

144
Q

Intake of GaHV2 happens most frequently per os.

A

F

145
Q

Germinative infection does not occur in Mareks disease

A

T

146
Q

In case of viraemia the GaHV2 spreads to fowl’s organs in red blood cells

A

F

147
Q

The acute form of Mareks is primarily a tumour formation.

A

T

148
Q

Marek disease is usually seen in chickens below 2 weeks of age

A

F

149
Q

Marek disease virus is shed with faeces in high titre

A

F

150
Q

Signs of Marek disease may be very similar to reticuloendotheliosis signs

A

T

151
Q

The Marek disease virus survives for long in the environment

A

T

152
Q

Marek disease is caused by turkey herpesvirus

A

F

153
Q

Transient Marek paralysis may lead to visceral form

A

T

154
Q

Transient paralysis by Marek’s disease usually ends in full recovery

A

F

155
Q

The chronic form of Marek disease is characterized by neurological disorders

A

T

156
Q

The chronic form of Marek disease is due to circuses of higher virulence

A

F

157
Q

Transient Marek paralysis may lead to visceral form

A

T

158
Q

Marek disease is the result of air born infection.

A

T

159
Q

Transient paralysis by Marek disease usually ends in full recovery.

A

F

160
Q

Free Marek virus particles are shed from the feather follicles.

A

T

161
Q

The Marek’s disease virus may survive in the environment for several monthS

A

T

162
Q

Marek’s disease is most frequently seen in geese and ducks.

A

F

163
Q

Free virions of the Marek’s disease virus are formed in the feather follicle epithelial cells.

A

T

164
Q

Humoral immunity plays the central role in the host’s defence against the Marek’s disease
virus.

A

F

165
Q

The neurological form of the Marek’s disease is seen only in day-old chicks.

A

F

166
Q

The pathological lesions of acute Marek’s disease and reticuloendotheliosis can be similar

A

T

167
Q

Conjunctivitis is a frequent sign of acute Marek’s disease

A

F

168
Q

The Marek ś disease virus is transmitted by inhalation.

A

T

169
Q

Marek ś disease virus can t́ be prevented by vaccination, because it ́s immunosuppressive.

A

F

170
Q

The pathology lesions of acute Marek ś disease and avian leucosis can be similar.

A

T

171
Q

The Marek ś disease virus causes immunosuppression.

A

T

172
Q

The acute form of Marek ́s disease is characterized by lymphoid cell proliferation.

A

T

173
Q

The neurological form of Marek ś disease has a mass appearance

A

F

174
Q

The highly virulent strains of Marek ś disease may cause tumours in turkey

A

T

175
Q

The incubation time of acute Marek ś disease is 1-2 days.

A

F

176
Q

The neurological form of Marek ś disease leads to significant liver degeneration.

A

F

177
Q

Both serotypes of the Marek ś virus cause disease in geese.

A

F

178
Q

North America is free of Marek ś disease.

A

F

179
Q

Marek’s disease only occurs in domestic fowl

A

T

180
Q

Marek’s disease virus is shed mainly via the faeces.

A

F

181
Q

The neoplastic form of Marek disease is caused by high virulence strains.

A

T

182
Q

Vaccination is used for the prevention of Marek ś disease

A

T

183
Q

We can differentiate Marek’s disease from reticuloendotheliosis only by lab diagnostics
methods

A

T

184
Q

Prevention against Marek ś : no measures needed as the disease remains mostly
symptomless.

A

F

185
Q

General preventative measures and vaccination of day-old chickens must be used for the
prevention of Marek’s disease.

A

T

186
Q

Live attenuated strains are used for vaccination against Marek ś disease.

A

T

187
Q

No vaccination is needed against Marek’s disease

A

F

188
Q

Marek’s disease viruses are uniform in their virulence.

A

F

189
Q

Highly virulent Marek’s disease viruses may break through vaccine induced protection.

A

T