Parvoviruses Flashcards
1
Q
1) There is no neutralizing epitope of parvoviruses
A
false
2
Q
2) The reproduction of the parvovirus is continuous in the dividing cells
A
true
3
Q
3) Parvoviruses are good antigens
A
true
4
Q
4) Bocaviruses may cause mild respiratory or enteric diseases in newborn animals
A
true
5
Q
5) Parvoviruses can be cultured in homologous, young dividing cell cultures
A
true
6
Q
6) The resistance of Parvovirus is high, in the environment they remain infectious for several months
A
true
7
Q
7) Parvoviruses multiplicate only in rapidly dividing cells
A
true
8
Q
1) SMEDI is caused by goose circovirus.
A
false
9
Q
2) SMEDI is caused by porcine circovirus
A
false
10
Q
3) If 75-day-old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign.
A
true
11
Q
4) If 75-day-old swine foetuses are infected with parvovirus respiratory clinical signs can be seen in the piglets
A
false
12
Q
5) The embryo can be infected with porcine parvovirus 1
A
true
13
Q
6) Parvovirus rarely causes SMEDI in endemic farms
A
true
14
Q
7) Swine parvovirus can cause foetal damages only if the infection takes place during the pregnancy
A
true
15
Q
8) Swine parvovirus occurs worldwide, most herds are seropositive.
A
true
16
Q
9) If 100-day-old swine foetuses are infected with parvovirus, weak piglets can be seen
A
true
17
Q
10) If 100-day-old swine foetuses are infected with parvovirus, myoclonia congenital is a clinical sign
A
true
18
Q
11) If 100-day-old swine fetuses are infected with parvovirus, dermatitis is a clinical sign
A
false
19
Q
12) SMEDI is caused by porcine parvovirus
A
true
20
Q
13) If 15 day old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign
A
false
21
Q
14) If 100-day-old swine fetuses are infected with parvovirus, respiratory clinical signs can be seen
A
false
22
Q
15) If 75 day old swine foetuses are infected with parvovirus abortion can be seen
A
false
23
Q
16) If 15 day old swine foetuses are infected with parvovirus mummification can be seen
A
false
24
Q
17) The porcine parvovirus 1 causes renal disorders in adults
A
false
25
18) Porcine parvovirus (PPV 1) vaccinations start at or after 6 months of age
true
26
19) PPV 1 is transmitted through the fecal-oral route
true
27
20) PPV 1 is endemic in most pig herds
true
28
21) Porcine parvovirus 4 is usually involved in reproductive disorders
true
29
22) Swine parvovirus is shed in the faeces for some weeks after contracting the infection
true
30
23) The maternal immunity against porcine parvovirus lats for a very long time
true
31
24) PCR is used for the detection of antibodies against porcine parvovirus 1
false
32
25) Porcine SMEDI can only be induced by parvoviruses
false
33
26) PPV-1 induces diarrhoea in suckling piglets
false
34
27) Neurological disorders are frequent in Porcine parvovirus infections
false
35
28) The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine
true
36
29) Swine parvovirus usually causes foetal damages in first pregnant gilts
true
37
30) Swine parvovirus maternal antibodies can exist up to 6 to 12 months of age
false
38
31) The maternal immunity against porcine parvovirus lasts for very long time.
true but should be false, 6 months only
39
32) Porcine parvovirus can cause neurological signs in sows
false
40
33) Porcine parvovirus frequently causes diarrhoea in piglets
false
41
34) For prevention of Porcine parvovirus caused fetal damages, live vaccines are available.
true
42
35) Piglets of sows seroconverted by PPV-1 are maternally protected for months
true
43
36) Porcine parvoviruses are genetically uniform.
false
44
37) Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the foetus
true
45
38) PPV-1 vaccination must be started at 4-6 weeks of age
false
46
1) Vaccination against canine parvovirus 2 is independent from maternal antibodies
false
47
2) Vaccination against canine parvovirus 2 depends on maternal antibodies
true
48
3) The parvovirus enteritis of dogs is caused by canine parvovirus 1
false
49
4) The parvovirus enteritis of dogs is caused by canine parvovirus 2
true
50
5) The parvoviral enteritis of dogs is type 3 hypersensitivity
false
51
6) Maternal antibodies against canine parvovirus can protect puppies for 8 weeks
true, false up to 4 months
52
7) Maternal antibodies against canine parvovirus can protect dogs for about 2 years
false
53
8) The replication of canine parvovirus 2 is in the crypt cells of large intestine
false
54
9) The replication of canine parvovirus 2 is in the crypt cells of small intestine
true
55
10) Maternal antibodies of dogs protect not longer than 2 weeks in the case of parvoviral enteritis of dogs
false
56
11) Canine parvoviruses do not infect cats
false
57
12) Canine parvovirus attack lymphoid cells
true
58
13) Canine parvovirus is shed with the feces
true
59
14) Canine parvovirus can replicate in the myocardium of young pups
true
60
15) Older dogs are usually sero-positive for Canine Parvo virus
true
61
16) Canine parvoviruses are shed in high concentrations with the faeces
true
62
17) Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats
true
63
18) Canine herpesvirus infection can cause abortion
true
64
19) Dog parvovirus caused enteritis most frequently affects young dogs, less than one year old
true
65
20) For prevention of Canine parvovirus enteritis, live attenuated virus vaccines are used
true
66
21) Dog parvovirus can cause myocarditis in young puppies
true
67
22) Dog parvovirus enteritis is nowadays very rare
false
68
23) Dog parvovirus can be detected directly from Faeces
true
69
24) Dog parvovirus can be detected directly from Sera, Saliva. Foetus
false
70
25) Canine parvovirus infection of susceptible dogs results in high mortality
true
71
26) Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes.
true
72
27) Leukopenia is characteristic for successful CPV-2 infections
true
73
28) Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses
true
74
29) Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease.
false
75
30) Canine parvoviruses form a single antigenic group
false
76
1) Maternal antibodies against cat parvovirus protect only till 2 weeks age.
false
77
2) Maternal antibodies against cat parvovirus can protect till 4 months age
true
78
3) Feline panleukopenia infection can cause fever
true
79
4) Feline panleukopenia may be caused by canine parvovirus
true
80
5) Feline panleukopenia is present worldwide
true
81
6) Hyperimmune serum can be used for the treatment of feline panleukopenia
false
82
7) Feline panleukopenia virus infection of dogs may cause acute diarrhea
false
83
8) Feline panleukopenia viruses may infect dogs
false
84
9) The incubation period of Cat panleukopenia is short, usually 3 to 5 days.
true
85
10) Cat panleukopenia virus can infect only cats
false
86
11) Cat panleukopenia virus causes disease only in cats
false
87
12) To cat panleukopenia virus only cats are susceptible
false
88
13) Cat panleukopenia virus can cause abortion in pregnant cats
true
89
14) Cat panleukopenia virus can cause disease also in Mustelidae species.
true
90
15) Vaccinations against Feline panleukopenia usually start at or after 2 months of age
true
91
16) Europe is free of Feline panleukopenia.
false
92
1) The mink enteritis is a type 2 hypersensitivity
false
93
2) Mink parvovirus enteritis is characterized by fever and high mortality
true
94
3) For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available
true
95
4) Mink parvovirus enteritis appears as bloody diarrhoea
true
96
1) Aleutian mink disease and mink enteritis are caused by the same virus.
false
97
2) Aleutian mink disease is caused by protoparvovirus, like cat parvovirus
false
98
3) Aleutian mink disease virus causes enteritis
false
99
4) Vaccines are available against Aleutian mink disease
false
100
5) Vaccines are used to prevent Aleutian Mink Disease
false
101
6) Aleutian mink disease is caused by cat parvovirus
false
102
7) Aleutian mink disease is a type III hypersensitivity
true
103
8) Aleutian mink disease is a type IV hypersensitivity
false
104
9) Aleutian mink disease is a type I hypersensitivity
false
105
10) Aleutian disease is a parvovirus caused immunocomplex disease of minks
true
106
11) Attenuated vaccines can be used against Aleutian mink disease
false
107
12) Inactivated vaccines are used against Aleutian mink disease
false
108
13) Live vaccines are used against Aleutian Mink Disease
false
109
14) Aleutian mink disease can induce interstitial pneumonia in young animals
true
110
15) Aleutian mink disease virus induces enteritis in older minks
false
111
16) Aleutian mink disease virus can infect ferrets
true
112
17) Ferrets can also be infected by the Aleutian Mink Disease virus.
true
113
18) The Aleutian Mink Disease is usually acute.
false
114
19) Aleutian Mink Disease occurs only in the US
false
115
20) Aleutian Mink Disease is due to formation of immunocomplexes
true
116
21) Enteritis is a clinical sign of Aleutian Mink Disease.
false
117
1) The Derzsy's disease virus causes pneumonia
false
118
2) The Derzsy's disease virus can infect ducks
false, should be true, infects muskovy ducks too
119
3) Ascites can be a clinical sign of Derzsy’s disease
true
120
4) Derszy’s disease is caused by a polyomavirus
false
121
5) The Derzsy's disease virus causes conjunctivitis
false
122
6) The Derzsy's disease virus causes tiger stripes on the heart
true
123
7) Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age
true
124
8) Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease
true
125
9) The primary site of replication of Derzsy’s disease virus is the gut
true
126
10) The Derzsy’s disease virus may induce diarrhea in growing geese
true
127
11) Derzsy’s disease virus can cross into the egg
true
128
12) Derzsy’s disease may occur both in geese and Muscovy ducks
true
129
13) Goose parvovirus can spread both horizontally and vertically
true
130
14) For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used
true
131
15) For prevention of Derzsy's disease both live and inactivated vaccines are used
true
132
16) Derzsy's disease appears clinically most frequently in geese aged from one to four weeks
true
133
17) Derzsy’s disease virus causes enteritis in growing geese
true
134
18) Derzsy’s disease virus does not infect the egg
false
135
19) The Derzsy's disease virus can infect ducks
false, should be true, infects muskovy ducks too
136
1) The duck parvovirus can infect goose
true, should be false
