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Epi > Parvoviruses > Flashcards

Parvoviruses Flashcards

1
Q

1) There is no neutralizing epitope of parvoviruses

A

false

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2
Q

2) The reproduction of the parvovirus is continuous in the dividing cells

A

true

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3
Q

3) Parvoviruses are good antigens

A

true

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4
Q

4) Bocaviruses may cause mild respiratory or enteric diseases in newborn animals

A

true

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5
Q

5) Parvoviruses can be cultured in homologous, young dividing cell cultures

A

true

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6
Q

6) The resistance of Parvovirus is high, in the environment they remain infectious for several months

A

true

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7
Q

7) Parvoviruses multiplicate only in rapidly dividing cells

A

true

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8
Q

1) SMEDI is caused by goose circovirus.

A

false

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9
Q

2) SMEDI is caused by porcine circovirus

A

false

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10
Q

3) If 75-day-old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign.

A

true

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11
Q

4) If 75-day-old swine foetuses are infected with parvovirus respiratory clinical signs can be seen in the piglets

A

false

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12
Q

5) The embryo can be infected with porcine parvovirus 1

A

true

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13
Q

6) Parvovirus rarely causes SMEDI in endemic farms

A

true

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14
Q

7) Swine parvovirus can cause foetal damages only if the infection takes place during the pregnancy

A

true

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15
Q

8) Swine parvovirus occurs worldwide, most herds are seropositive.

A

true

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16
Q

9) If 100-day-old swine foetuses are infected with parvovirus, weak piglets can be seen

A

true

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17
Q

10) If 100-day-old swine foetuses are infected with parvovirus, myoclonia congenital is a clinical sign

A

true

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18
Q

11) If 100-day-old swine fetuses are infected with parvovirus, dermatitis is a clinical sign

A

false

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19
Q

12) SMEDI is caused by porcine parvovirus

A

true

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20
Q

13) If 15 day old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign

A

false

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21
Q

14) If 100-day-old swine fetuses are infected with parvovirus, respiratory clinical signs can be seen

A

false

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22
Q

15) If 75 day old swine foetuses are infected with parvovirus abortion can be seen

A

false

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23
Q

16) If 15 day old swine foetuses are infected with parvovirus mummification can be seen

A

false

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24
Q

17) The porcine parvovirus 1 causes renal disorders in adults

A

false

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25
Q

18) Porcine parvovirus (PPV 1) vaccinations start at or after 6 months of age

A

true

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26
Q

19) PPV 1 is transmitted through the fecal-oral route

A

true

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27
Q

20) PPV 1 is endemic in most pig herds

A

true

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28
Q

21) Porcine parvovirus 4 is usually involved in reproductive disorders

A

true

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29
Q

22) Swine parvovirus is shed in the faeces for some weeks after contracting the infection

A

true

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30
Q

23) The maternal immunity against porcine parvovirus lats for a very long time

A

true

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31
Q

24) PCR is used for the detection of antibodies against porcine parvovirus 1

A

false

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32
Q

25) Porcine SMEDI can only be induced by parvoviruses

A

false

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33
Q

26) PPV-1 induces diarrhoea in suckling piglets

A

false

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34
Q

27) Neurological disorders are frequent in Porcine parvovirus infections

A

false

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35
Q

28) The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine

A

true

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36
Q

29) Swine parvovirus usually causes foetal damages in first pregnant gilts

A

true

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37
Q

30) Swine parvovirus maternal antibodies can exist up to 6 to 12 months of age

A

false

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38
Q

31) The maternal immunity against porcine parvovirus lasts for very long time.

A

true but should be false, 6 months only

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39
Q

32) Porcine parvovirus can cause neurological signs in sows

A

false

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40
Q

33) Porcine parvovirus frequently causes diarrhoea in piglets

A

false

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41
Q

34) For prevention of Porcine parvovirus caused fetal damages, live vaccines are available.

A

true

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42
Q

35) Piglets of sows seroconverted by PPV-1 are maternally protected for months

A

true

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43
Q

36) Porcine parvoviruses are genetically uniform.

A

false

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44
Q

37) Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the foetus

A

true

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45
Q

38) PPV-1 vaccination must be started at 4-6 weeks of age

A

false

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46
Q

1) Vaccination against canine parvovirus 2 is independent from maternal antibodies

A

false

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47
Q

2) Vaccination against canine parvovirus 2 depends on maternal antibodies

A

true

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48
Q

3) The parvovirus enteritis of dogs is caused by canine parvovirus 1

A

false

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49
Q

4) The parvovirus enteritis of dogs is caused by canine parvovirus 2

A

true

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50
Q

5) The parvoviral enteritis of dogs is type 3 hypersensitivity

A

false

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51
Q

6) Maternal antibodies against canine parvovirus can protect puppies for 8 weeks

A

true, false up to 4 months

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52
Q

7) Maternal antibodies against canine parvovirus can protect dogs for about 2 years

A

false

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53
Q

8) The replication of canine parvovirus 2 is in the crypt cells of large intestine

A

false

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54
Q

9) The replication of canine parvovirus 2 is in the crypt cells of small intestine

A

true

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55
Q

10) Maternal antibodies of dogs protect not longer than 2 weeks in the case of parvoviral enteritis of dogs

A

false

56
Q

11) Canine parvoviruses do not infect cats

A

false

57
Q

12) Canine parvovirus attack lymphoid cells

A

true

58
Q

13) Canine parvovirus is shed with the feces

A

true

59
Q

14) Canine parvovirus can replicate in the myocardium of young pups

A

true

60
Q

15) Older dogs are usually sero-positive for Canine Parvo virus

A

true

61
Q

16) Canine parvoviruses are shed in high concentrations with the faeces

A

true

62
Q

17) Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats

A

true

63
Q

18) Canine herpesvirus infection can cause abortion

A

true

64
Q

19) Dog parvovirus caused enteritis most frequently affects young dogs, less than one year old

A

true

65
Q

20) For prevention of Canine parvovirus enteritis, live attenuated virus vaccines are used

A

true

66
Q

21) Dog parvovirus can cause myocarditis in young puppies

A

true

67
Q

22) Dog parvovirus enteritis is nowadays very rare

A

false

68
Q

23) Dog parvovirus can be detected directly from Faeces

A

true

69
Q

24) Dog parvovirus can be detected directly from Sera, Saliva. Foetus

A

false

70
Q

25) Canine parvovirus infection of susceptible dogs results in high mortality

A

true

71
Q

26) Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes.

A

true

72
Q

27) Leukopenia is characteristic for successful CPV-2 infections

A

true

73
Q

28) Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses

A

true

74
Q

29) Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease.

A

false

75
Q

30) Canine parvoviruses form a single antigenic group

A

false

76
Q

1) Maternal antibodies against cat parvovirus protect only till 2 weeks age.

A

false

77
Q

2) Maternal antibodies against cat parvovirus can protect till 4 months age

A

true

78
Q

3) Feline panleukopenia infection can cause fever

A

true

79
Q

4) Feline panleukopenia may be caused by canine parvovirus

A

true

80
Q

5) Feline panleukopenia is present worldwide

A

true

81
Q

6) Hyperimmune serum can be used for the treatment of feline panleukopenia

A

false

82
Q

7) Feline panleukopenia virus infection of dogs may cause acute diarrhea

A

false

83
Q

8) Feline panleukopenia viruses may infect dogs

A

false

84
Q

9) The incubation period of Cat panleukopenia is short, usually 3 to 5 days.

A

true

85
Q

10) Cat panleukopenia virus can infect only cats

A

false

86
Q

11) Cat panleukopenia virus causes disease only in cats

A

false

87
Q

12) To cat panleukopenia virus only cats are susceptible

A

false

88
Q

13) Cat panleukopenia virus can cause abortion in pregnant cats

A

true

89
Q

14) Cat panleukopenia virus can cause disease also in Mustelidae species.

A

true

90
Q

15) Vaccinations against Feline panleukopenia usually start at or after 2 months of age

A

true

91
Q

16) Europe is free of Feline panleukopenia.

A

false

92
Q

1) The mink enteritis is a type 2 hypersensitivity

A

false

93
Q

2) Mink parvovirus enteritis is characterized by fever and high mortality

A

true

94
Q

3) For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available

A

true

95
Q

4) Mink parvovirus enteritis appears as bloody diarrhoea

A

true

96
Q

1) Aleutian mink disease and mink enteritis are caused by the same virus.

A

false

97
Q

2) Aleutian mink disease is caused by protoparvovirus, like cat parvovirus

A

false

98
Q

3) Aleutian mink disease virus causes enteritis

A

false

99
Q

4) Vaccines are available against Aleutian mink disease

A

false

100
Q

5) Vaccines are used to prevent Aleutian Mink Disease

A

false

101
Q

6) Aleutian mink disease is caused by cat parvovirus

A

false

102
Q

7) Aleutian mink disease is a type III hypersensitivity

A

true

103
Q

8) Aleutian mink disease is a type IV hypersensitivity

A

false

104
Q

9) Aleutian mink disease is a type I hypersensitivity

A

false

105
Q

10) Aleutian disease is a parvovirus caused immunocomplex disease of minks

A

true

106
Q

11) Attenuated vaccines can be used against Aleutian mink disease

A

false

107
Q

12) Inactivated vaccines are used against Aleutian mink disease

A

false

108
Q

13) Live vaccines are used against Aleutian Mink Disease

A

false

109
Q

14) Aleutian mink disease can induce interstitial pneumonia in young animals

A

true

110
Q

15) Aleutian mink disease virus induces enteritis in older minks

A

false

111
Q

16) Aleutian mink disease virus can infect ferrets

A

true

112
Q

17) Ferrets can also be infected by the Aleutian Mink Disease virus.

A

true

113
Q

18) The Aleutian Mink Disease is usually acute.

A

false

114
Q

19) Aleutian Mink Disease occurs only in the US

A

false

115
Q

20) Aleutian Mink Disease is due to formation of immunocomplexes

A

true

116
Q

21) Enteritis is a clinical sign of Aleutian Mink Disease.

A

false

117
Q

1) The Derzsy’s disease virus causes pneumonia

A

false

118
Q

2) The Derzsy’s disease virus can infect ducks

A

false, should be true, infects muskovy ducks too

119
Q

3) Ascites can be a clinical sign of Derzsy’s disease

A

true

120
Q

4) Derszy’s disease is caused by a polyomavirus

A

false

121
Q

5) The Derzsy’s disease virus causes conjunctivitis

A

false

122
Q

6) The Derzsy’s disease virus causes tiger stripes on the heart

A

true

123
Q

7) Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age

A

true

124
Q

8) Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease

A

true

125
Q

9) The primary site of replication of Derzsy’s disease virus is the gut

A

true

126
Q

10) The Derzsy’s disease virus may induce diarrhea in growing geese

A

true

127
Q

11) Derzsy’s disease virus can cross into the egg

A

true

128
Q

12) Derzsy’s disease may occur both in geese and Muscovy ducks

A

true

129
Q

13) Goose parvovirus can spread both horizontally and vertically

A

true

130
Q

14) For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used

A

true

131
Q

15) For prevention of Derzsy’s disease both live and inactivated vaccines are used

A

true

132
Q

16) Derzsy’s disease appears clinically most frequently in geese aged from one to four weeks

A

true

133
Q

17) Derzsy’s disease virus causes enteritis in growing geese

A

true

134
Q

18) Derzsy’s disease virus does not infect the egg

A

false

135
Q

19) The Derzsy’s disease virus can infect ducks

A

false, should be true, infects muskovy ducks too

136
Q

1) The duck parvovirus can infect goose

A

true, should be false

Epi (74 decks)

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