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Epi > African Swinefever > Flashcards

African Swinefever Flashcards

1
Q

1) Several virulence variants of African Swine Fever Virus exist

A

true

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2
Q

2) African swine fever is shed in the saliva of the infected animals

A

true

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3
Q

3) ASF virus is shed in the urine of the infected animals

A

false

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4
Q

4) Stamping out of the infected herds is applied in the control of African Swine Fever

A

true

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5
Q

5) The leading clinical sign in African swine fever is excess salivation

A

false

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6
Q

6) In acute African swine fever the leading pathological findings are the haemorrhages

A

true

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7
Q

7) The African swine fever infects the swine per os

A

true

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8
Q

8) The African swine fever virus genome codes only 2 proteins

A

false

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9
Q

9) The African swine fever virus infects the swine by air

A

false

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10
Q

10) In African swine fever cases of abortion are never observed

A

false

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11
Q

11) The primary replication site of African swine fever virus is the oronasal mucosa

A

false

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12
Q

12) The primary replication sites of African swine fever virus are the tonsils and lymph nodes

A

true

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13
Q

13) In acute ASF cases the leading pathological finding is the black and enlarged lymph nodes

A

true

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14
Q

14) In case of African swine fever enlarged spleen is observed during necropsy

A

true

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15
Q

15) The ASF virus replicates the bone marrow

A

true

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16
Q

16) The tick species vectoring African swine fever are present in Portugal and Spain

A

true

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17
Q

17) The ASF virus is serologically uniform but several genotypes exist

A

true

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18
Q

18) In acute ASF we can observe high mortality in sows

A

true

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19
Q

19) Vaccines are available in EU to be used in the control of African swine fever

A

false

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20
Q

20) Vaccines are available to be used in the control of ASF

A

false

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21
Q

21) The immune system cannot neutralize the ASF virus by antibodies

A

true

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22
Q

22) The African swine fever virus can be disinfected by 2%NaOh within 1 day

A

true

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23
Q

23) In Europe the main route of infection is the transmission of the African swine fever by ticks

A

false

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24
Q

24) The African swine fever virus is highly resistant against the environmental conditions

A

true

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25
Q

25) The African swine fever causes hemadsorption in cell cultures

A

true

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26
Q

26) In the control of African swine fever thinning of the wild boar populations is helpful

A

true

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27
Q

27) ASF is always a peracute disease

A

false

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28
Q

28) ASF virus retains its infectivity for years in frozen meat

A

true

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29
Q

29) The African swine fever virus replicated in lymphocytes

A

false

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30
Q

30) Wild boars may be chronically infected with African swine fever virus

A

true

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31
Q

31) Wild boars can carry African Swine Fever virus as chronically infected animals

A

true

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32
Q

32) African swine fever is endemic in Sardinia

A

false, was

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33
Q

33) The resistance of the African swine fever virus is very low

34
Q

34) African swine fever is generally transmitted by mosquitoes

35
Q

35) African swine fever can cause disease in humans

36
Q

36) The African swine fever virus can be inactivated by irradiation

A

false, should be true

37
Q

37) African Swine Fever virus infects every cloven hoofed animal

38
Q

38) African Swine Fever does not occur in Europe

39
Q

39) African Swine Fever is a resistant virus

40
Q

immunocomplexes are formed in the case of African Swine Fever.

41
Q

41) Only activated vaccines are used for the prevention of African Swine Fever

42
Q

42) Ticks can transmit African Swine Fever virus

43
Q

43) In ASF cases abortion is never observed

44
Q

44) Swine and wild boars are susceptible to African Swine Fever virus

45
Q

45) Warthogs can maintain African Swine Fever in endemic areas

46
Q

46) Attenuated vaccines are used for the prevention of African swine fever

47
Q

47) African Swine Fever virus has a low resistance

48
Q

48) African Swine Fever virus can infect pigs and wild boars

49
Q

49) The clinical signs of African Swine Fever are more severe in wild boars than in farmed pigs.

50
Q

50) There is a widespread vaccination in endemic areas to prevent African Swine Fever

51
Q

51) In Europe the ticks are the most important means in the transmission of the ASF virus

52
Q

52) In case of ASF infection viremia can last for months

53
Q

53) Infection by moderately virulent ASF virus results in high mortality of sows

54
Q

54) The moderately virulent ASF virus does not cause fever

55
Q

55) In case of infection by highly virulent ASF virus we can see skin necrosis as clinical sign

56
Q

56) In chronic cases of ASF spleen hyperplasia is a leading pathological lesion

57
Q

57) African swine fever leads to abortion regardless of the virulence of the infecting virus.

58
Q

58) Wild boars may carry African Swine Fever virus as chronically infected animals

59
Q

59) The main tool against African Swine Fever is vaccination

60
Q

60) Virulent strains of African Swine Fever virus cause an acute disease in domestic pigs

61
Q

61) Acute African Swine Fever is characterized by haemorrhages

62
Q

62) Vaccination is used for prevention of African Swine Fever

63
Q

63) African Swine Fever cause skin lesions in swine

64
Q

64) African Swine Fever is caused by arbovirus

65
Q

65) African Swine Fever is endemic in Central Europe

66
Q

66) African Swine Fever virus infects pigs and ruminants

67
Q

67) African Swine Fever virus can replicate in certain ticks

68
Q

68) African Swine Fever is caused by any arbovirus

69
Q

69) African Swine Fever is a notifiable disease

70
Q

70) Virus neutralization is the most important tool for African Swine Fever diagnosis

71
Q

71) Pregnant sows abort in case of African Swine Fever disease cases

72
Q

72) The chronic form of African Swine Fever is similar to other immune complex disorders

73
Q

73) African Swine Fever infection of humans leads to cold like symptoms

74
Q

74) African Swine Fever virus may cause chronic infections in pigs

75
Q

75) African Swine Fever may cause a chronic disease in wild boars

76
Q

76) African swine fever virus can replicate in certain soft ticks

77
Q

77) The clinical picture of chronic African Swine Fever is similar to dermatitis Nephritis/nephropathy

78
Q

78) African Swine Fever does not have any vaccination

79
Q

79) The ASF virus can be detected by hemagglutination tes

80
Q

80) The boutons in the intestines are characteristic pathological findings in case of ASF

81
Q

81) Several virulence variants of ASF virus exist

Epi (74 decks)

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