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Epi > Retroviruses > Flashcards

Retroviruses Flashcards

1
Q

1) Retroviruses carry an integrase enzyme.

A

true

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2
Q

2) Malignant transformation of host cells is a typical effect of several retroviruses

A

true

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3
Q

3) Retroviruses are enveloped, their resistance is low

A

true

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4
Q

4) The reverse transcriptase transforms DNA of the retroviruses to mRNA

A

false

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5
Q

5) Retroviruses are stable viruses; genetic changes are rare

A

false

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6
Q

6) Retroviruses are euryxemic agents

A

false

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7
Q

7) Retroviruses are frequently carried lifelong.

A

true

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8
Q

8) Retroviruses are generally host specific viruses

A

true

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9
Q

9) Mutation of retroviruses is very rare

A

false

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10
Q

10) Immunosuppression is a typical effect of several retroviruses

A

true

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11
Q

11) Retroviruses can integrate into the genome of host cells

A

true

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12
Q

12) Reverse transcriptase is an important enzyme of retroviruses

A

true

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13
Q

13) Retroviruses results in lifelong infection

A

true

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14
Q

14) Retroviruses replicate mainly in the endothelial cells.

A

false

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15
Q

15) Several retroviruses can cause malignant transformation in the hosts

A

true

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16
Q

16) Retroviruses are generally species specific

A

true

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17
Q

17) Retroviruses are generally resistant, they can survive in the environment for several weeks.

A

false

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18
Q

18) Retroviruses frequently cause permanent infection

A

true

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19
Q

19) Retrovirus has weak resistance

A

true

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20
Q

20) Retrovirus has a wide host spectrum

A

false

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21
Q

21) Retrovirus has a good immunogenicity

A

true

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22
Q

22) Retrovirus infection is long-lasting

A

true

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23
Q

23) Retroviruses show high host specificity

A

true

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24
Q

24) Retroviruses are generally not carried for more than a month

A

false

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25
Q

25) Retroviruses generally cannot survive in the environment for a long time.

A

true

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26
Q

26) Retroviruses are enveloped viruses

A

true

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27
Q

27) Retroviruses transcribe their nucleic acid to DNA

A

true

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28
Q

28) Frequent genetic changes of retroviruses are common

A

true

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29
Q

29) Retroviruses carry reverse transcriptase enzyme

A

true

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30
Q

30) Retroviruses generally cause long, frequently life-long infection

A

true

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31
Q

31) Retroviruses are generally genetically very stable

A

false

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32
Q

32) The resistance of retroviruses is generally good, they survive in the environment well

A

false

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33
Q

33) Reverse transcriptase is produced by retroviruses

A

true

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34
Q

34) The nucleic acid of retroviruses can be integrated into the genome of the host cell

A

true

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35
Q

35) Retroviruses frequently cause immune suppression

A

true

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36
Q

36) Retroviruses are enveloped viruses

A

true

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37
Q

37) The host range of retroviruses is generally narrow

A

true

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38
Q

38) Reverse transcriptase converts RNA of retroviruses into DNA

A

true

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39
Q

39) Retroviruses are generally very stable viruses, mutations are exceptional in them

A

false

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40
Q

40) Retroviruses are generally shed in infected lymphoid cells

A

true

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41
Q

41) Certain retroviruses can cause proliferation of the lymphoid cells.

A

true

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42
Q

42) Retroviruses spread with infected lymphocytes

A

true

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43
Q

43) Retroviruses have a tegument or rind

A

false

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44
Q

44) You cannot multiply retrovirus artificially.

A

false

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45
Q

45) Retroviruses can incorporate into the genome

A

true

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46
Q

46) Retroviruses cannot spread from animal to animal

A

false

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47
Q

47) Retroviruses are widely distributed in Hungary

A

true

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48
Q

48) Retroviruses replicate mainly in endothelium cell

A

false

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49
Q

49) Retrovirus can replicate without helper retroviruses

A

true

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50
Q

50) Retroviruses can integrate the cellular genome

A

true

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51
Q

51) The resistance of retroviruses is low, they cannot survive in the environment for a long time

A

true

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52
Q

52) Retroviruses are generally good antigens

A

true

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53
Q

53) Retroviruses have own metabolic enzymes

A

true

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54
Q

1) Antibodies against enzootic bovine leukosis virus can be detected 1-4 months after infection.

A

true

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55
Q

2) Antibodies against enzootic bovine leukosis virus can be detected only for 1-2 months after infection

A

false

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56
Q

3) Maternal Antibodies against enzootic bovine leukosis virus can be detected only for 1-2 months

A

false

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57
Q

lymphosarcoma can be seen postmortem in the case of enzootic bovine leukosis

A

true

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58
Q

5) Generation shift is the only way of eradication of enzootic bovine leukosis

A

false

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59
Q

6) Enzootic bovine leukosis virus does not spread from animal to animal

A

false

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60
Q

7) Mild clinical signs can be seen in the incubation phase of enzootic bovine leukosis.

A

false

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61
Q

8) Enzootic bovine leukosis virus is not shed in the colostrum

A

false

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62
Q

9) Enzootic bovine leukosis virus can be transmitted with blood

A

true

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63
Q

10) Enzootic bovine leukosis virus can spread from cattle to sheep, goats , and other ruminants

A

false, should be true

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64
Q

11) Enzootic bovine leukosis virus has uniform antigenic structure

A

true

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65
Q

12) In the case of Enzootic bovine leukosis the clinical signs appear at the age of 6-8 months

A

false

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66
Q

13) Enzootic bovine leukosis is carried lifelong

A

true

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67
Q

14) Enzootic bovine leukosis virus can be transmitted in tracheal discharge

A

true

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68
Q

15) Enzootic bovine leukosis occurs only in Holstein Friesian cattles

A

false

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69
Q

16) Enzootic bovine leukosis virus can infect foetuses of pregnant animals

A

true

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70
Q

17) Enzootic bovine leukosis virus has several serotypes and subtypes

A

false

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71
Q

18) Enzootic bovine leukosis can spread by air within the herd

A

true

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72
Q

19) Enzootic bovine leukosis can spread by the veterinarian

A

true

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73
Q

20) Enzootic bovine leukosis virus cannot result tumour formation

A

false

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74
Q

21) Serological examinations cannot be used to the diagnosis of enzootic bovine leukosis.

A

false

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75
Q

22) Immune tolerance can happen in the case of enzootic bovine leukosis

A

true

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76
Q

23) Selection cannot be used for eradication of enzootic bovine

A

false

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77
Q

24) Bovine enzootic leukosis infect only bovine

A

false

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78
Q

bovine enzootic leukosis does not spread with excretion

A

false

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79
Q

26) Bovine enzootic leukosis spreads slow in the herd

A

true

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80
Q

27) Bovine leukosis virus causes seropositivity in latency period

A

true

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81
Q

28) Enzootic bovine leukosis the pre-tumour phase usually in 6-10 months old animals

A

false

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82
Q

29) Enzootic bovine leukosis during pre-tumour phase causes lymphocytosis

A

true

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83
Q

30) Bovine enzootic leukosis virus can be transmitted with lymphoid cells

A

true

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84
Q

31) Iatrogenic infection is frequent in the epidemiology of bovine enzootic leukosis

A

true

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85
Q

32) The target cells of the bovine enzootic leukosis virus are the T-lymphocytes

A

false

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86
Q

33) The typical signs of bovine enzootic leukosis can be seen in cattle under 1 year of age

A

false

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87
Q

34) Antibodies against enzootic bovine leukosis virus can be detected in the ELISA test

A

true

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88
Q

35) Antibodies against enzootic bovine leukosis virus can be detected in the milk.

A

true

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89
Q

36) Selection (test and slaughter) method cannot be used to eradicate enzootic bovine leukosis virus

A

false

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90
Q

37) Generation shift method cannot be used to eradicate enzootic bovine leukosis virus

A

false

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91
Q

38) Enzootic bovine leukosis virus is spreading horizontally in a cattle herd

A

true

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92
Q

39) Enzootic bovine leukosis virus cannot infect foetuses

A

false

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93
Q

40) Enzootic bovine leukosis virus is passed to newborn calves mainly with colostrum in endemically infected herds

A

false

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94
Q

41) By the end of the incubation phase the animals become seropositive leukosis virus

A

true

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95
Q

42) Tumours can be seen in about 90% of the animals infected with enzootic bovine leukosis virus

A

false

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96
Q

43) Antibodies in the milk against enzootic bovine leukosis virus can be detected with ELISA

A

true

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97
Q

44) Tumours caused by enzootic leukosis virus generally appear at the age of 6 months

A

false

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98
Q

45) The infection with enzootic leukosis virus is detected by AGP and ELISA

A

true

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99
Q

46) Enzootic bovine leukosis virus is zoonotic

A

false

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100
Q

47) Enzootic bovine leukosis virus cannot cause intrauterine infection

A

false

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101
Q

48) The target cells of enzootic bovine leukosis virus are the B lymphocytes

A

true

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102
Q

49) Enzootic bovine leukosis virus is not shed by the infected animals

A

false

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103
Q

50) Enzootic bovine leukosis virus can be transmitted with organic infection

A

true

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104
Q

51) Enzootic bovine leukosis virus can be transmitted with per os infection

A

true

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105
Q

52) During incubation phase of bovine enzootic leucosis the animal become seropositive

A

true

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106
Q

53) PCR is used for the detection of bovine enzootic leucosis in immunotolerant calves

A

true

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107
Q

54) Bovine enzootic leucosis can be eradicated with selection

A

true

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108
Q

55) Bovine enzootic leucosis virus has several serotypes

A

false

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109
Q

56) There is no horizontal spread in the case of bovine enzootic leucosis

A

false

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110
Q

57) There is genetic predisposition in the case of bovine enzootic leucosis

A

true

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111
Q

58) Enzootic bovine leucosis occurs in all ruminant species

A

false

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112
Q

59) Enzootic bovine leukosis virus can infect cattle, pigs and horses

A

false

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113
Q

60) Iatrogenic infection can be important in the transmission of enzootic bovine leukosis virus.

A

true

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114
Q

61) Aerogenic infection occurs in the case of enzootic bovine leukosis virus

A

true

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115
Q

62) Enzootic bovine leucosis is spreading very fast in infected herds

A

false

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116
Q

63) Enzootic bovine leucosis virus can infect the foetus

A

true

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117
Q

64) Enzootic bovine leukosis occurs only in Holstein-Frisian cattle, other cattle races are resistant

A

false

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118
Q

65) Enzootic bovine leukosis has low resistance; it cannot retain its infectivity for a long time in environment

A

true

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119
Q

1) The most severe clinical signs of ovine pulmonary adenomatosis can be seen in lambs younger than 6 months

A

false

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120
Q

2) Antibodies of animals infected with ovine pulmonary adenomatosis virus can be detected with ELISA

A

false

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121
Q

3) Adenocarcinoma can be seen postmortem in the case of ovine pulmonary adenomatosis

A

true

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122
Q

4) Ovine pulmonary adenomatosis virus is transmitted with tracheal discharge

A

true

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123
Q

5) Ovine pulmonary adenomatosis virus can be transmitted with contaminated objects to other farms

A

false

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124
Q

6) Ovine pulmonary adenomatosis virus can infect sheep, goats, and cattle.

A

false

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125
Q

7) Shedding large amount of nasal discharge is a typical clinical sign of ovine pulmonary adenomatosis

A

true

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126
Q

8) Ovine pulmonary adenomatosis virus replicates in lymphoid cells and causes viraemia

A

false

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127
Q

9) Metastasis are rare in the case of Ovine Pulmonary Adenomatosis

A

true

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128
Q

10) Ovine pulmonary adenomatosis occurs only in South Africa.

A

false

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129
Q

11) Ovine pulmonary adenomatosis virus has no onc-gene

A

true

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130
Q

12) Ovine pulmonary adenomatosis is prevented with inactivated vaccines

A

false

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131
Q

13) Ovine pulmonary adenomatosis spreads with nasal discharge

A

true

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132
Q

14) The primary replication site of OPA is in the mucosal cells of the intestines

A

false

133
Q

15) Metastasis are frequently seen in parenchymal in the case of OPA

A

false

134
Q

16) Ovine pulmonary adenomatosis virus is found in 2-4 months old lambs

A

false

135
Q

17) Ovine pulmonary adenomatosis virus is replicating in the epithelium of the airways.

A

true

136
Q

18) Tumours can frequently be seen in the liver and the spleen in the case of ovine pulmonary adenomatosis

A

false

137
Q

19) Ovine pulmonary adenomatosis can be complicated by Pasteurella and Mannheimia strains

A

true

138
Q

20) In the case of ovine pulmonary adenomatosis lesions are common in the liver.

A

false

139
Q

21) Ovine pulmonary adenomatosis virus causes interstitial pneumonia

A

false

140
Q

22) Lung adenomatosis causes usually dry cough

A

false

141
Q

23) Lung adenomatosis causes a lot of metastasis.

A

false

142
Q

ovine pulmonary adenomatosis has no antibody production

A

true

143
Q

25) Ovine pulmonary adenomatosis virus results in malignant transformation of macrophages

A

false

144
Q

26) Europe is free from ovine pulmonary adenomatosis

A

false, might be true

145
Q

27) No antibodies to ovine pulmonary adenomatosis virus can be detected in infected animals

A

true

146
Q

28) Faces of infected animals contain large amount of ovine pulmonary adenomatosis virus

A

false

147
Q

29) Tumour transformation of the epithelial cells happens in the case of ovine pulmonary adenomatosis

A

true

148
Q

30) Jaagsiekte affects lambs of 3-6 months

A

false

149
Q

31) Jaagsiekte virus can transform human cells

A

false

150
Q

32) Jaagsiekte is only present in Africa.

A

false

151
Q

33) Jaagsiekte causes metastatic abscess formation all over the body

A

false

152
Q

1) Feline leukosis virus will be shed lifelong by infected cats

A

false

153
Q

2) There are no vaccines for the prevention of feline leukosis

A

false

154
Q

3) FOCMA antigen is a typical surface antigen of feline leukosis viruses

A

false, should be true

155
Q

4) Feline leukosis virus can only be transmitted with saliva

A

false

156
Q

5) Cats remain infected with feline leukosis virus lifelong

A

false

157
Q

6) Feline leukosis is maintained by persistently infected cats

A

true

158
Q

7) Feline leukosis virus can be transmitted by direct contact

A

true

159
Q

8) Feline leukosis virus can cause horizontal and vertical infection

A

true

160
Q

9) Vaccination of only seronegative cats is responsible against feline leukosis

A

true

161
Q

10) Immunotolerant kittens can be born in the case of feline leukosis

A

true

162
Q

11) Feline Leukosis can be eliminated in some cats

A

true

163
Q

12) There are several subgroups of feline leukosis virus

A

true

164
Q

13) Feline leukosis virus can cause immune tolerance

A

true

165
Q

14) Feline sarcomatosis virus is a recombinant virus from feline leukosis virus and host DNA

A

true

166
Q

15) Feline leukosis virus is uniform

A

false

167
Q

16) In the saliva of cats is a high-titer of FeLV

A

true

168
Q

17) Feline leukosis virus can cause protective immunity

A

true

169
Q

18) In Feline leukosis, anaemia is an important sign

A

true

170
Q

19) Cat leukosis virus can be diagnosed with PCR

A

true

171
Q

20) There is no vaccine against Feline leukosis virus

A

false

172
Q

21) Feline leukosis can infect dogs and cats

A

false

173
Q

22) Asymptomatic infection cannot happen in the case of Feline leukosis

A

false

174
Q

23) Feline leukosis virus is immunosuppressive

A

true

175
Q

24) Feline leukosis virus is frequently spread with saliva

A

true

176
Q

25) Feline leukosis virus can infect dogs, cats and wild living carnivorous animals

A

false

177
Q

26) Feline leukosis is a very rare disease

A

false

178
Q

27) Feline sarcomatosis is a defect virus.

A

true

179
Q

28) Feline leukosis can cross the placenta

A

true

180
Q

29) Infection with feline leukosis virus always appears in clinical signs

A

false

181
Q

30) Feline leukosis virus is spreading by discharge of the infected animal

A

true

182
Q

31) Persistently infected cats can shed the feline leukosis virus in high titres

A

true

183
Q

32) Saliva of the animal contains large amount of the feline leukosis virus

A

true

184
Q

33) Feline leucosis spreads by direct contact

A

true

185
Q

1) Feline immunodeficiency virus causes persistent infection

A

true

186
Q

2) Feline immunodeficiency virus is widespread

A

true

187
Q

3) Feline immunodeficiency virus in cat could be asymptomatic

A

true

188
Q

4) Feline immunodeficiency virus is spread by excretes

A

true

189
Q

5) Feline immunodeficiency virus develops in 3 phases

A

true

190
Q

1) Inactivated vaccines are used for the prevention of avian leukosis

A

false

191
Q

2) Attenuated vaccines are used for the prevention of avian leukosis

A

false

192
Q

3) Avian leukosis viruses have several subgroups

A

true

193
Q

4) Tumours in the liver can be seen in the case of avian leukosis

A

true

194
Q

5) Avian leukosis viruses cause horizontal infection

A

true

195
Q

6) J subtype of avian leukosis virus is more virulent than the other ones

A

true

196
Q

7) Avian leukosis can be diagnosed by detecting COFAL antigen

A

true

197
Q

8) Lymphoid leukosis is the most frequent clinical form of avian leukosis

A

true

198
Q

9) Avian leukosis viruses cause germinative infection

A

true

199
Q

10) All avian leukosis viruses are oncogenic

A

true

200
Q

11) Avian leukosis viruses a resistant, they can survive in the bedding for several weeks

A

false

201
Q

12) Avian leukosis causes the malignant transformation of B lymphocytes

A

true

202
Q

13) Avian leukosis virus occurs only in tropical and subtropical countries

A

false

203
Q

14) Avian leuKosis virus can cause only lymphoid leukosis

A

false

204
Q

15) Avian leukosis viruses can cause malignant transformation in different tissues

A

true

205
Q

16) Germinative infection is an important way of transmission of avian leukosis virus.

A

true

206
Q

17) Clinical signs of avian leukosis can be seen typically in broiler chicken

A

false

207
Q

18) Osteopetrosis can be a clinical form of avian leukosis

A

true

208
Q

19) Avian Leukosis virus is uniform

A

false

209
Q

20) Every avian leukosis viruses is oncogenic

A

true

210
Q

21) Avian leukosis virus cannot infect by germinative way

A

false

211
Q

22) Avian leukosis virus infects B lymphocytes

A

true

212
Q

23) Infection of poultry herds with avian leukosis virus is widespread

A

true

213
Q

24) Clinical signs of avian leukosis generally appear in day old chicken.

A

false

214
Q

25) Lymphoid leukosis is the most frequent form of avian leukosis

A

true

215
Q

26) The main way of prevention of avian leukosis is vaccination using attenuated strains

A

false

216
Q

27) Avian leukosis viruses are shed in the faeces

A

true

217
Q

28) There is no germinative infection in the case of avian leukosis viruses

A

false

218
Q

29) The target cells of the avian leukosis viruses are the B lymphocytes

A

true

219
Q

30) There are several subgroups of avian leukosis viruses

A

true

220
Q

31) All avian leukosis viruses cause malignant transformation of the host cells

A

true

221
Q

32) In a flock infected with avian leukosis virus generally 50-60% of the animals have tumours

A

false

222
Q

33) Detection of COFAL antigen is a frequent way of diagnosis of avian leukosis

A

true

223
Q

34) Avian leukosis is seen during the first week of life in chicken

A

false

224
Q

35) There are resistant lines to avian leukosis

A

true

225
Q

36) Proportion of the animals with tumours is low, 1-4% in the case of avian leukosis

A

true

226
Q

37) Inactivated vaccines are widely used in order to prevent avian leukosis

A

false

227
Q

38) Tumours can be seen in different parenchymal organs in the case of avian leukosis

A

true

228
Q

39) T-lymphocytes are the target cell of the avian leukosis virus.

A

false

229
Q

40) Avian leucosis and sarcoma infections are very common.

A

true

230
Q

41) Avian leucosis can be caused by different retroviruses

A

true

231
Q

42) Congenital transmission of avian leucosis results in immune tolerance.

A

true

232
Q

1) Reticuloendotheliosis is caused by J type of avian leukosis virus

A

false

233
Q

2) Germinative infection can happen in the case of Reticuloendotheliosis

A

true

234
Q

3) Reticuloendotheliosis virus is shed in the faces

A

true

235
Q

4) Reticuloendotheliosis virus can cause germinative infection

A

true

236
Q

5) Stunted growth is a clinical sign of reticuloendotheliosis

A

true

237
Q

6) Reticuloendotheliosis is prevented by vaccination of the parent animals

A

false

238
Q

7) Immunosuppression is common in the case of Reticuloendotheliosis

A

true

239
Q

8) Retardation is a clinical sign of Reticuloendotheliosis

A

true

240
Q

9) Wide vaccination is used to prevent Reticuloendotheliosis

A

false

241
Q

in the case of reticuloendotheliosis immunotolerant chicken can be hatched

A

true

242
Q

11) Pneumonia is a typical lesion of reticuloendotheliosis

A

false

243
Q

12) In the case of reticuloendotheliosis tumors can be found in the parenchymal organs

A

true

244
Q

13) Avian reticuloendotheliosis may be similar in appearance to Marek ́s disease

A

true

245
Q

1) Clinical signs of maedi visna are more severe in young animals than in adults

A

false

246
Q

2) Heavy nasal discharge is a clinical sign of maedi

A

false

247
Q

3) The maedi virus and the visna virus are related but they can be differentiated with PCR

A

false

248
Q

4) Interstitial pneumonia is the main postmortem lesion of visna

A

false

249
Q

5) Interstitial pneumonia is the main postmortem lesion of Maedi

A

true

250
Q

6) Maedi and visna are caused by the same virus

A

true

251
Q

7) Maedi-visna virus is shed in tracheal discharge and milk

A

true

252
Q

8) Maedi-visna is maintained by persistently infected sheep

A

true

253
Q

9) Weakness of the hinder legs is a clinical sign of visna

A

true

254
Q

10) Inactivated and attenuated vaccines are widely used for the prevention of maedi-visna

A

false

255
Q

11) Clinical signs of maedi can be seen in sheep above 3-4 years of age

A

true

256
Q

12) Maedi-visna can occur in sheep, goats, and cattle

A

false

257
Q

13) Europe is already free from maedi-visna

A

false

258
Q

14) Maedi/visna is spreading slowly in the flock

A

true

259
Q

15) Maedi/visna virus is shed in the milk.

A

true

260
Q

16) Maedi is seen in 3-4 years old sheep

A

true

261
Q

17) Large amount of mucoid nasal discharge is typical in the case of maedi

A

false

262
Q

18) Maedi/visna spreads from sheep to other animals

A

true

263
Q

19) Maedi/visna virus is shed in nasal discharge, respiratory secretions and milk.

A

true

264
Q

20) Clinical sign of maedi/visna appear from the age of 6-8 months

A

false

265
Q

21) Meadi/visna most important clinical sign is profuse diarrhoea

A

false

266
Q

22) Maedi/visna virus is shed only in tracheal discharge

A

false

267
Q

23) Clinical signs of maedi are mainly seen in lambs below half a year of age

A

false

268
Q

24) Maedi/visna virus causes interstitial pneumonia in sheep

A

true

269
Q

25) Clinical signs of the central nervous system can be seen in the case of visna.

A

true

270
Q

26) Maedi/visna virus causes viraemia

A

true

271
Q

27) Wet cough and intensive nasal discharge are typical signs of maedi.

A

false

272
Q

28) De-myelinization is the reason for the clinical signs of visna

A

true

273
Q

29) Attenuated vaccines are widely used to prevent maedi/visn a

A

false

274
Q

30) Maedi appears in Hungary

A

true

275
Q

31) Maedi is spreading fast

A

false

276
Q

32) In order to eradicate maedi/visna infected ewes have to be culled with their lambs

A

false, should be true

277
Q

33) Clinical sign of maedi/visna appear from the age of 6 months

A

false

278
Q

34) Maedi/visna virus is shed only in the tracheal discharge

A

false

279
Q

35) Clinical signs of maedi are generally seen above 3-4 years of age.

A

true

280
Q

1) Caprine arthritis-encephalitis virus can cause persistent infection

A

true

281
Q

2) Sheep are resistant against caprine arthritis encephalitis virus

A

false

282
Q

3) Arthritis caused by caprine arthritis encephalitis virus is mainly seen in lambs

A

false

283
Q

4) Encephalitis caused by caprine arthritis encephalitis virus is generally seen in 2-4 month old kids

A

true

284
Q

5) Caprine arthritis encephalitis virus can be transmitted by milk

A

true

285
Q

6) There is intensive vaccination against Caprine arthritis encephalitis in endemic countries

A

false

286
Q

7) Caprine arthritis encephalitis virus is more frequent in dairy goats than in rural breeds

A

true

287
Q

8) Caprine arthritis encephalitis virus is shed in the milk

A

true

288
Q

9) In the case of caprine arthritis encephalitis the signs of encephalitis can be seen in 2-4 months old kids

A

true

289
Q

10) In the case of caprine arthritis encephalitis, arthritis is less frequent than encephalitis

A

false

290
Q

11) Kids are recommended to be isolated in a herd where caprine arthritis encephalitis is present

A

true

291
Q

12) Kids can be infected with caprine arthritis encephalitis virus through the milk.

A

true

292
Q

13) Arthritis caused by caprine arthritis-encephalitis virus is typically seen in kids below half a year of age

A

false

293
Q

14) Caprine arthritis encephalitis is characterized by CNS signs in young goats

A

true

294
Q

15) Caprine arthritis encephalitis virus replicates in the intestinal tract

A

false

295
Q

1) Equine infectious anaemia virus is transmitted with blood of the infected animals

A

true

296
Q

2) Blood sucking arthropods can transmit Equine infectious anaemia virus

A

true

297
Q

3) Mosquitoes are the main vectors of equine infectious anaemia virus; the virus can replicate in them

A

false

298
Q

4) Agar gel diffusion test is used to detect antibodies against equine infectious anaemia

A

true

299
Q

5) Equine infectious anaemia is an acute disease; it does not have a chronic form

A

false

300
Q

6) Iatrogenic transmission of Equine infectious anaemia can happen

A

true

301
Q

7) Equine infectious anaemia virus can damage the bone marrow

A

true

302
Q

8) There are no vaccines for the prevention of equine infectious anaemia

A

true

303
Q

9) Equine infectious anaemia virus is more resistant than other retroviruses.

A

true

304
Q

10) Equine infectious anaemia virus disappears from animals after the viraemia

A

false

305
Q

11) Fever is a major clinical sign of equine infectious anaemia

A

true

306
Q

12) Equine infectious anaemia virus is resistant, it can survive several months in the environment

A

true

307
Q

13) Only Equidae are susceptible to equine infectious anaemia virus

A

true

308
Q

14) Ticks are vectors of equine infectious anaemia virus

A

false

309
Q

15) Febrile waves can be seen in equine infectious anaemias.

A

true

310
Q

16) Equine infectious anaemia is a vector borne disease

A

true

311
Q

17) Equine infectious anaemia virus causes persistent infection

A

true

312
Q

18) There is no immune reaction in the case of equine infectious anaemia

A

false

313
Q

19) Equine infectious anaemia is zoonotic

A

false

314
Q

20) Equine infectious anaemia is caused by a lentivirus

A

true

315
Q

21) Blood sucking arthropods are mechanical vectors of equine infectious anaemia virus

A

true

316
Q

22) Agar gel precipitation test can be used to the detection of antibodies against equine infectious anaemia virus

A

true

317
Q

23) Equine infectious anaemia can damage the medulla of the bone

A

true

318
Q

24) Equine infectious anaemia has a weak resistance

A

false

319
Q

25) You cannot diagnose Equine infectious anaemia with serology

A

false

320
Q

26) The resistance of equine infectious anaemia is very low

A

false

321
Q

27) Horses and cattle are susceptible to equine infectious anaemia virus.

A

false

322
Q

28) In the case of equine infectious anaemia, haemorrhages cannot be seen

A

false

323
Q

29) Animals infected with equine infectious anaemia virus are lifelong carriers

A

true

324
Q

30) Equine infectious anaemia virus is mainly transmitted with tracheal discharge

A

false

325
Q

31) Attenuated vaccines are used for the prevention of equine infectious anaemia

A

false

326
Q

32) Equine infectious anaemia can be asymptomatic

A

true

327
Q

33) Equine infectious anaemia may cause recurrent fever in horses

A

true

328
Q

34) Horseflies are mechanical vectors equine anaemia virus

A

true

329
Q

35) Equine anaemia is a notifiable disease

A

true

Epi (74 decks)

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