HERPESVIRUS PART2 Flashcards
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
Herpes-intranuclear incl bodies
5
Q
Equid herpesvirus 4 more frequently causes encephalitis than Equid herpesvirus 1
A
F
EHV1 more freq
6
Q
Horses should be vaccinated against equine rhinopneumonitis virus at least every 6
months
A
T
7
Q
Equine rhinopneumonitis virus causes necrotic foci in the liver of the foetus
A
T(bc of abortion)
8
Q
Fever and serous nasal discharge are early signs of acute equine rhinopneumonitis
A
T
9
Q
Equine rhinopneumonitis virus can cause purulent metritis
A
F
10
Q
Only equine herpesvirus 4 can cause abortion
A
F
-EHV-1
-EHV-4 rearly abortion
11
Q
Pregnant mares abort usually in the acute phase of equine rhinopneumonitis
A
F
12
Q
After EHV1 infection pregnant mares abort in the acute febrile stage
A
F
After 5th m
3m-3w after infection
13
Q
Immunisation against equine rhinopneumonitis virus provides life long protection
A
F
14
Q
Equine rhinopneumonitis virus is present only in North America
A
F(worldwide)
15
Q
The equid herpesvirus 1 may cause abortion storms in studs
A
T
16
Q
Pregnant mares abort usually several weeks after equid herpesvirus 1 infection
A
T
17
Q
Vaccinated horses cannot get infected with Equid herpesvirus 1
A
F
18
Q
Equid herpesvirus 1 associated abortions are always sporadic
A
F
19
Q
Equid herpesvirus 1 may cause subclinical infection in horses
A
T
20
Q
Only pregnant mares should be immunized against Equid herpesvirus-1 infection.
A
F
21
Q
A single vaccination against Equid herpesvirus-1 provides life-long protection.
A
F
22
Q
Equine rhinopneumonitis virus can cause only respiratory problems.
A
F
-respiratory
- CNS
- abortion
23
Q
Both equid herpesvirus 1 and 4 can cause abortion.
A
T
24
Q
A single vaccination of a horse against EHV-1 induces protection for several years
A
F
25
Equine herpesvirus-4 primarily causes abortion in horses
F
-rarley cause abortion
26
Equine herpesvirus-4 causes mainly respiratory symptoms in horses.
T
27
Equine herpesvirus-1 contains cross-reactive proteins against disease caused by EHV-4.
T
28
Vaccination containing Equine herpesvirus-1 also provides protection against EHV-4.
T-SL
29
Equine herpesvirus-1 primarily causes respiratory symptoms in horses.
F- abortion
30
Equine herpesvirus-1 primarily causes abortion
T
31
One vaccination is enough to prevent Equine herpesvirus-1.
F
32
Mares infected with Equine herpesvirus-1 have a febrile state, then abort.
T
33
Equine herpesvirus 2 may cause keratoconjunctivitis.
T
34
Equine herpesvirus 2 can cause respiratory disease only in young foals
T
35
Equid herpesvirus-2 may cause respiratory disease in foals.
T
36
Equid herpesvirus 5 may play a role in the equine multinodular pulmonary fibrosis.
T
37
Equid herpesvirus 5 causes encephalitis in foals
F
no encephalitis in equine herpesvirus
38
Equine herpesvirus-2 and 5 causes pustular vulvovaginitis
F
39
Equid herpesvirus-2 may cause Coital Exanthemas in horse.
F
EHV-3
40
Equid herpesvirus-2 and 5 cause diarrhoea and hepatitis in foals.
F
41
In horses infected with Equine herpesvirus-2, the symptoms are often unnoticed.
T
42
Equine herpesvirus-2 in horses does not cause symptoms in adult animals
T
43
It is enough to vaccinate mares 2 times against Equine herpesvirus-2
F
44
Equid herpesvirus 3 can cause lesions on the genital mucosa without abortion
T
-no abortion
- multiplication in genital mucosa
- nodules and pustules on the epithelial vagina
45
Equid herpesvirus 3 may cause coital exanthema in horses
T
46
Abortion is frequent complication of coital exanthema in mares
F
-NO ABORTION
47
Herpesvirus 3 can be transmitted through mating
T
48
Coital exanthema virus frequently causes abortion
F
49
Coital Exanthema virus does not cause abortion.
T
50
Equine Coital Exanthema can cause abortion storms in studs.
F
-EHV-1
51
Equine herpesvirus-3 cause abortion storms.
F
52
Canine herpesvirus infection can cause abortion.
T
53
Herpesvirus infection of adult dogs may result in reproductive disorders
T
54
Canine herpesvirus infection frequently appears with flu like symptoms
T
55
Feline herpesvirus infects dogs as well.
F
56
Liver lesions are frequently seen in puppies with Canid herpesvirus 1 infection.
T
57
Canine herpesvirus infection can cause blue eye disease.
F
| canine adeno 1
58
Herpesvirus is frequently causing kennel cough
T
59
Hypothermia and weak immune response facilitate the severity of canid herpes virus
infection of dogs
T
60
Latent canine herpesvirus infection can be activated in pregnant bitches
T
61
Canine herpesvirus can cause transplacental infection
T
62
Pregnant bitches can be immunised against canine herpesvirus with inactivated vaccine
T
63
Herpes infection of pups 2-3 weeks old is fatal
T
64
Canine Herpes virus may remain in latency for years in infected animals.
T
65
Canine herpesvirus 1 may contribute to the kennel cough syndrome
T
66
Canid herpesvirus-1 may cause generalized infection and severe disease in young
puppies.
T
67
Inactivated vaccines are available for immunization against Canid herpesvirus-1.
T
68
Upper respiratory infection of Canid herpesvirus-1 may contribute to the kennel cough
syndrome
T
69
In utero infections with Canid herpesvirus may result in abortion.
T
70
Decreased body temperature has a negative effect on Canine herpesvirus infected
animals.
T
71
Herpesvirus infection of dogs is most severe in 3-6 months old puppies.
F (< 3 months )
72
Large dog kennels are usually seropositive for canine herpesvirus.
T
73
Canine herpesvirus infection can be deadly below 2-3 weeks of age.
T
74
Feline rhinotracheitis predisposes to pneumonia caused by Bordetella bronchiseptica.
T
75
Feline rhinotracheitis can cause foetal developmental anomalies in pregnant cats.
T
76
Felid herpesvirus does not cause viraemia and abortion.
F
77
Abortion is uncommon in feline rhinotracheitis of pregnant animals.
T-SL
78
Abortion is rare in rhinotracheitis infected pregnant cats.
T-SL
79
Sneezing is a typical sign of feline infectious rhinotracheitis
T
80
Feline herpesvirus does not cause respiratory signs, only viraemia and abortion
F
81
Conjunctivitis and muco-purulent nasal discharge are frequent signs of feline
rhinotracheitis
T
82
Conjunctivitis is a frequent sign of feline rhinotracheitis
T
83
Ulcerations of the oral mucosa are frequent signs of Feline Rhinotracheitis
F-SL
possible but rare, common in calciV
84
Clinical signs of feline infectious rhinotracheitis are similar to those of calicivirus
T
85
Feline infectious rhinotracheitis often results high mortality in susceptible young kittens.
F-SL
86
Feline infectious rhinotracheitis often results in abortion of pregnant queens
F-SL
87
Felid herpesvirus 1 spreads slowly in cat populations
F
88
Feline infectious rhinotracheitis is characterized by inflammation of the upper respiratory tract
T
89
Crowded area, poor general condition and stress contribute significantly to the
development of feline infectious rhinotracheitis
T
90
Prolonged contact is usually needed for successful transmission of feline infectious
rhinotracheitis
F-SL -spreads quickly
91
Feline infectious rhinotracheitis can be treated with specific hyperimmune sera
T
92
Feline Infectious Rhinotracheitis occurs in summer because Felid herpesvirus-1 is transmitted by mosquitoes
F
93
Feline herpesvirus-1 is mainly transmitted by mosquitoes.
F
94
Feline Infectious Rhinotracheitis virus is transmitted mainly through the air.
T-SL
95
The Feline Infectious Rhinotracheitis virus is very contagious to cats
T
96
Mucous is a frequent sign of Feline Infectious Rhinotracheitis.
T
97
The infectious laryngotracheitis is seen only in young chickens
F
-mainly in growersand adults
-chicken = most
-phesant
-turkey
quail
98
Diarrhoea is frequent in infectious laryngotracheitis of chickens
F
-dyspnoea
-eyelid oedema
99
Infectious laryngotracheitis virus strains may differ in virulence
T
100
Encephalitis is a frequent complication in Infectious Laryngotracheitis of chickens
F
101
Ducks are the most susceptible to infectious laryngotracheitis virus
F
102
The infectious laryngotracheitis causes pseudomembrane formation in the oesophagus
F- trachea
103
Chickens above 6 weeks of age are not susceptible to infectious laryngotracheitis
F
104
The infectious laryngotracheitis can cause viraemia and pneumonia in young
F
Mainly growers and adults
105
Conjunctivitis is a frequent sign of infectious laryngotracheitis
T
106
Infectious laryngotracheitis virus is typically transmitted by the germinative route
F
107
Infectious laryngotracheitis can be deadly in chickens
T
108
Infectious laryngotracheitis is most frequently seen in day-old chickens
F
109
Infectious laryngotracheitis virus is shed mainly with faeces
F
110
Infectious Laryngotracheitis virus replicates in the liver of cats
F
111
Infectious Laryngotracheitis virus replicates in the upper respiratory tract
T
112
Germinative route is the most important factor in the transmission of the Infectious
Laryngotracheitis virus
F
-NO GERMINATIVE INFECTION!
113
Tracheal lesions of Infectious Laryngotracheitis may be similar to those of fowl pox.
T
114
The Infectious Laryngotracheitis virus does not cause viraemia
T
115
Infectious Laryngotracheitis is most frequently seen in day-old turkey.
F
-Chicken!
116
Infectious Laryngotracheitis virus is present worldwide
T
117
Infectious Laryngotracheitis usually occurs clinically under 6 weeks of age.
F
118
Infectious Laryngotracheitis causes changes in the larynx and upper airways.
T
119
Infectious Laryngotracheitis virus invades the kidneys after viraemia
F
120
Infectious Laryngotracheitis also occur in Hungary.
T
121
Infectious Laryngotracheitis of poultry spreads germinatively
F
122
Infectious Laryngotracheitis causes eggshell deformation.
F
123
Infectious Laryngotracheitis frequently damages the oviduct of hen
F
124
Infectious Laryngotracheitis can be deadly in chickens.
T
125
Mortality of infectious laryngotracheitis can go up to 50%.
T
higherst70% in typical virulent virus
126
In case of viraemia the GaHV2 spreads to fowl’s organs in macrophages.
T
127
Transient paralysis form of Marek’s disease can be present in 6-week-old chicken
T
128
Infection of Marek’s disease can occur in hatchery
T
129
The vaccines of Marek’s disease are not efficient.
F
Attenuated
Trivalent
Recombinant
130
The turkey herpesvirus causes cross immunity against Marek’s disease
T
131
Turkey Herpes virus can be used for vaccination against Marek Disease
T
132
Lymphoproliferative form of Marek’s disease can be present in 6-week-old chicken
T
133
Lymphoproliferative form of Marek’s disease can be present in hens (older age).
F
134
Clinical signs of Marek’s disease present rare, because of vaccination.
T
135
Lymphoproliferative form of Mareks disease is a chronic disease
F
136
The duck herpesvirus causes cross immunity against Marek disease
F
Turkey herpes
137
The free virions spread to organs independent of cells in the case of Marek disease
F
138
Transient paralysis form of Mareks disease can be present in hens
F
4-7wk
Over 8wk subclinical
139
Lymphoproliferative form of Mareks disease is an acute disease
T
140
Neurological form of Mareks disease can be present in 4 week old chicken
F
Growers and young hens
141
There is in ovo vaccine against Mareks disease
T
142
Intake of GaHV2 happens most frequently per os.
F
143
Germinative infection does not occur in Mareks disease
T
144
In case of viraemia the GaHV2 spreads to fowl’s organs in red blood cells
F
145
Germinative infection does occur in Mareks disease
F
146
The acute form of Mareks is primarily a tumour formation.
T
147
Marek disease is usually seen in chickens below 2 weeks of age
T-SL
148
Marek disease virus is shed with faeces in high titre
F
| feather follicles- inhal
149
Signs of Marek disease may be very similar to reticuloendotheliosis signs
T
150
The Marek disease virus survives for long in the environment
T
151
Marek disease is caused by turkey herpesvirus
F
152
Transient Marek paralysis may lead to visceral form
T
153
Transient paralysis by Marek’s disease usually ends in full recovery
F
154
The chronic form of Marek disease is characterized by neurological disorders
T
155
The chronic form of Marek disease is due to circuses of higher virulence
F
156
Transient Marek paralysis may lead to visceral form
T
157
Marek disease is the result of air born infection.
T
158
Transient paralysis by Marek disease usually ends in full recovery.
F
159
Free Marek virus particles are shed from the feather follicles.
T
160
The Marek's disease virus may survive in the environment for several monthS
T
161
Marek's disease is most frequently seen in geese and ducks.
F
Domestic fowl, phesant, quail, turkey
162
Free virions of the Marek's disease virus are formed in the feather follicle epithelial cells.
T
163
Humoral immunity plays the central role in the host's defence against the Marek's disease
virus.
F
164
The neurological form of the Marek's disease is seen only in day-old chicks.
F
165
The pathological lesions of acute Marek's disease and reticuloendotheliosis can be similar
T
166
Conjunctivitis is a frequent sign of acute Marek's disease
F
167
The Marek ś disease virus is transmitted by inhalation.
T
168
Marek ś disease virus can t́ be prevented by vaccination, because it ́s immunosuppressive.
F
169
The pathology lesions of acute Marek ś disease and avian leucosis can be similar.
T
170
The Marek ś disease virus causes immunosuppression.
T
171
The acute form of Marek ́s disease is characterized by lymphoid cell proliferation.
T
172
The neurological form of Marek ś disease has a mass appearance
F
173
The highly virulent strains of Marek ś disease may cause tumours in turkey
T
174
The incubation time of acute Marek ś disease is 1-2 days.
F
| acute 6w
chronic 6m
175
The neurological form of Marek ś disease leads to significant liver degeneration.
F
176
Both serotypes of the Marek ś virus cause disease in geese.
F
177
North America is free of Marek ś disease.
F
178
Marek’s disease only occurs in domestic fowl
T-SL
179
Marek’s disease virus is shed mainly via the faeces.
F
180
The neoplastic form of Marek disease is caused by high virulence strains.
T
181
Vaccination is used for the prevention of Marek ś disease
T
182
We can differentiate Marek’s disease from reticuloendotheliosis only by lab diagnostics
methods
T
183
Prevention against Marek ś : no measures needed as the disease remains mostly
symptomless.
F
184
General preventative measures and vaccination of day-old chickens must be used for the
prevention of Marek’s disease.
T
185
Live attenuated strains are used for vaccination against Marek ś disease.
T
186
No vaccination is needed against Marek’s disease
F
187
Marek’s disease viruses are uniform in their virulence.
F
188
Highly virulent Marek’s disease viruses may break through vaccine induced protection.
T
189
for immunisation against eq rhinopneumanitits virus mostly marker vaccines are used
F
190
horses should be vaccinated against EHV1 every 6 m
T-SL
191
Equine herpesvirus 2 may cause keratoconjunctivitis in foals
T
192
Fe herpes 1 is moderately contagious, spreads slowly in cat populations
F- v contagious
193
Germinative infection does occur in Markes disease
F
194
Mareks disease usually starts as an airborne infection
T
195
chickens shed the mareks disease virus via feather folliculiar epithelial cells
T
196
Mareks disease is primarily spread via the aerogenic route
T
197
Mareks disease in the blood multiplies in the endothelial cells
F
198
Mareks disease is a beta herpes virus
F
| alpha
199
Mareks disease primarily targets day old chickens
F
200
The neoplastic form of Marek disease is caused by low virulence strains.
F
201
The highly virulent Marek’s disease viruses may cause tumours in turkeys
T
