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Epi Pq Final Viro CORRECTED > Arteriviruses COPY > Flashcards

Arteriviruses COPY Flashcards

1
Q

1) Arterivirus, the virulence is highly variable

A

T

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2
Q

1) The equine viral arteritis is caused by an arterivirus.

A

T

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3
Q

2) Serological tests can NOT be used for laboratory detection of equine viral arteritis

A

F

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4
Q

3) Red blood cells can be used for laboratory detection of equine viral arteritis virus

A

F

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5
Q

4) Nasal fluid can be used for laboratory detection of equine viral arteritis virus

A

T

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6
Q

5) A semen sample can be used for laboratory detection of equine viral arteritis virus

A

T

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7
Q

6) Equine arteritis virus is very resistant to physical damages

A

F

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8
Q

7) Equine viral arteritis is usually asymptomatic

A

T

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9
Q

8) In cases of equine viral arteritis, the rate of seroconverted animals increases with age

A

T (I’m not sure)

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10
Q

9) The main target cells of equine viral arteritis are macrophage

A

T

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11
Q

10) Equine Viral arteritis (EVA) virus can affect donkeys

A

T

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12
Q

11) The persistence of EVA virus within one herd is usually caused by the stallions

A

T

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13
Q

12) EVA is transmitted by sexual and aerogenic pathways

A

T

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14
Q

13) After EVA virus infection, mortality rate is low

A

T

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15
Q

14) Equine arteritis virus is very resistant to physical damage

A

F

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16
Q

15) Equine viral arteritis is usually asymptomatic

A

T

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17
Q

16) The main target cells of equine viral arteritis virus are macrophages

A

T

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18
Q

17) EVA can affect donkeys

A

F because cs only seen in horse and pony

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19
Q

18) EVA can cause persistent virus carrying.

A

T

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20
Q

19) EVA is transmitted sexual and aerogenic

A

T

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21
Q

20) After EVA infection mortality rate is low

A

T

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22
Q

21) Equine Viral Arteritis virus can infect by inhalation

A

T

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23
Q

22) Vaccine against Equine Viral Arteritis is never used in Europe

A

F

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24
Q

23) The Equine Viral Arteritis is caused by retrovirus

A

F

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25
24) The equine viral arteritis virus cannot damage the wall of blood vessel
F
26
25) The equine viral arteritis virus usually causes asymptomatic infection
T
27
26) The equine viral arteritis virus rarely causes asymptomatic infection
F
28
27) The equine viral arteritis virus can cause persistent infections
T
29
28) The equine viral arteritis virus always causes clinical symptoms
F
30
29) EVA is spread by insect vectors
F
31
31) Equine viral arteritis causes reproductive problems/impotence in stallions.
T
32
32) Acute equine viral arteritis is similar to Equine infectious anaemia
T
33
33) Equine viral arteritis in mare is reactivated in pregnancy
F
34
34) Equine viral arteritis, aborted embryos have degenerated liver
F
35
35) Mares are frequently life-long carriers of the Equine arteritis virus.
F
36
36) Subcutaneous oedema is a frequent sign of equine viral arteritis
T
37
37) Pregnant mares usually abort in the acute phase of equine viral arteritis
T
38
38) Equine viral arteritis is diagnosed by agarose-gel immunodiffusion (Coggins test)
F
39
39) The Equine arteritis virus may cause abortion in pregnant mares
T
40
40) Vaccination of colts before puberty can prevent the development of EAV-carrier status
T
41
41) Stallions may be long-term carriers of the Equine arteritis virus
T
42
42) Conjunctivitis and subcutaneous oedema are possible signs of equine viral arteritis.
T
43
43) Equine viral arteritis virus can infect through nasal route
T
44
44) Equine viral arteritis virus can infect per os
T
45
45) Equine viral arteritis virus can infect through venereal way.
T
46
46) Equine viral arteritis virus can infect only by arthropods
F
47
47) Equine arteritis virus is a uniform virus without serotypes, subtypes etc
T
48
48) Aerogenic infection can happen in the case of equine arteritis virus
T
49
49) Equine arteritis virus is shed in the semen
T
50
50) Equine arteritis virus can cause abortion
T
51
51) Equine arteritis virus is very resistant to physical damage
F
52
52) In case of equine viral arteritis, the rate of seroconverted animals increases with age
T
53
53) Lameness due to inflammatory joints is the most typical sign of Equine infectious arteritis
F
54
54) Equine infectious arteritis is a notifiable disease; therefore vaccinations are forbidden
F
55
55) The persistence of equine viral arteritis virus within one herd is usually caused by the stallions
T
56
56) Equine viral arteritis is transmitted by a sexual and aerogenic pathways
T
57
57) After equine viral arteritis virus infection, mortality rate is low
T
58
58) Equine infectious arteritis is a notifiable disease
T
59
59) The main target of Equine viral arteritis virus is macrophages.
T
60
60) Equine infectious arteritis is stenoxen viruses
T
61
61) Equine viral arteritis can be controlled in part by removing long-term carriers
T
62
62) Equine viral arteritis can affect donkeys
T
63
PRRS is caused by an arterivirus.
T
64
PRRS is caused by a coronavirus
F
65
The clinical signs of PRRS can be abortion like that of SMED
T
66
Isolation of PRRS in cell culture can be easily performed in any laboratory
F
67
PRRS has only highly pathogenic variants
F
68
Respiratory signs of PRRS occur just in sows
F
69
PRRS virus replicates in macrophages
T
70
PRRS virus replicates in T-lymphocytes
F
71
The pathological signs of PRRS is typical because the lymph nodes are never enlarged
F
72
PRRS virus affects the respiratory system in young piglets
T
73
PRRS cause digestive sign in adult
F
74
PRRS has 2 phases
T
75
PRRS cause respiratory sign in adult
F
76
Target cells of PRRSV are alveolar epithelial cells
F
77
PRRS can only be isolated in porcine kidney cells.
F
78
PRRS causes immune suppression in prolonged cases
F
79
Attenuated and inactivated vaccines are available against PRRS
T
80
PRRS virus causes severe intestinal problems in adult pigs
F
81
PRRS is characterized by respiratory disease in adult pigs
F
82
PRRS infection has 2 clinical phases
T
83
PRRSV attacks the active macrophages
T
84
For PRRS prevention we can get a very good immunization with inactivated vaccines
F
85
PRRS: reproductive and respiratory problems and others with other virulence
T
86
Maternal immunity protects only short time against PRRS
T
87
Porcine reproductive and respiratory virus (PRRSV) can cause abortion only in the advanced stage of pregnancy (over 90 days).
F
88
Only inactivated vaccines can be used for the prevention against PRRSV
F
89
Porcine reproductive and respiratory virus (PRRSV) propagates in lymphatic cells
T
90
PRRSV infection may influence the reproductive performance of boars
T
91
Porcine reproductive and respiratory virus (PRRSV) is a zoonotic agent
F
92
Porcine parvoviruses and PRRSV may cause similar disease in sows
T
93
Porcine reproductive and respiratory vines (PRRSV) does not cause clinical signs in boars.
F
94
Inactivated vaccines alone cannot induce protective immunity against PRRSV
T
95
Boars can transmit porcine reproductive and respiratory syndrome virus in the semen
T
96
Porcine reproductive and respiratory syndrome virus cannot cause abortion, only infertility of the sows
F
97
There are no vaccines for the prevention of Porcine reproductive and respiratory syndrome.
F
98
The blue ear disease is caused by dog coronavirus
F
99
The blue ear disease is caused by FIP
F
100
The blue ear disease is caused by chicken coronavirus.
F
101
The blue ear disease is caused by PRRS
T
102
Does PRRS virus have 3 genotypes.
F
103
Oedema can be a sign of PRRS.
T
104
PRRS is deadly in adult animals
F
105
Target cells of PRRSV are alveolar epithelial cells.
F
106
PRRS virus can only be isolated in porcine kidney cell culture
F
107
The Porcine reproductive and respiratory syndrome (PRRS) is only present in NorthAmerica
F
108
The PRRS virus may cause reproductive problems in boars
T
109
PRRS: cyanosis is one clinical symptom
T

Epi Pq Final Viro CORRECTED (123 decks)

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