Parvoviruses Flashcards
1) There is no neutralizing epitope of parvoviruses
false
2) The reproduction of the parvovirus is continuous in the dividing cells
true
3) Parvoviruses are good antigens
true
4) Bocaviruses may cause mild respiratory or enteric diseases in newborn animals
true
5) Parvoviruses can be cultured in homologous, young dividing cell cultures
true
6) The resistance of Parvovirus is high, in the environment they remain infectious for several months
true
7) Parvoviruses multiplicate only in rapidly dividing cells
true
1) SMEDI is caused by goose circovirus.
false
2) SMEDI is caused by porcine circovirus
false
3) If 75-day-old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign.
true
4) If 75-day-old swine foetuses are infected with parvovirus respiratory clinical signs can be seen in the piglets
false
5) The embryo can be infected with porcine parvovirus 1
true
6) Parvovirus rarely causes SMEDI in endemic farms
true
7) Swine parvovirus can cause foetal damages only if the infection takes place during the pregnancy
true
8) Swine parvovirus occurs worldwide, most herds are seropositive.
true
9) If 100-day-old swine foetuses are infected with parvovirus, weak piglets can be seen
true
10) If 100-day-old swine foetuses are infected with parvovirus, myoclonia congenital is a clinical sign
true
11) If 100-day-old swine fetuses are infected with parvovirus, dermatitis is a clinical sign
false
12) SMEDI is caused by porcine parvovirus
true
13) If 15 day old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign
false
14) If 100-day-old swine fetuses are infected with parvovirus, respiratory clinical signs can be seen
false
15) If 75 day old swine foetuses are infected with parvovirus abortion can be seen
false
16) If 15 day old swine foetuses are infected with parvovirus mummification can be seen
false
17) The porcine parvovirus 1 causes renal disorders in adults
false
18) Porcine parvovirus (PPV 1) vaccinations start at or after 6 months of age
true
19) PPV 1 is transmitted through the fecal-oral route
true
20) PPV 1 is endemic in most pig herds
true
21) Porcine parvovirus 4 is usually involved in reproductive disorders
true
22) Swine parvovirus is shed in the faeces for some weeks after contracting the infection
true
23) The maternal immunity against porcine parvovirus lats for a very long time
true
24) PCR is used for the detection of antibodies against porcine parvovirus 1
false
25) Porcine SMEDI can only be induced by parvoviruses
false
26) PPV-1 induces diarrhoea in suckling piglets
false
27) Neurological disorders are frequent in Porcine parvovirus infections
false
28) The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine
true
29) Swine parvovirus usually causes foetal damages in first pregnant gilts
true
30) Swine parvovirus maternal antibodies can exist up to 6 to 12 months of age
false
31) The maternal immunity against porcine parvovirus lasts for very long time.
true but should be false, 6 months only
32) Porcine parvovirus can cause neurological signs in sows
false
33) Porcine parvovirus frequently causes diarrhoea in piglets
false
34) For prevention of Porcine parvovirus caused fetal damages, live vaccines are available.
true
35) Piglets of sows seroconverted by PPV-1 are maternally protected for months
true
36) Porcine parvoviruses are genetically uniform.
false
37) Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the foetus
true
38) PPV-1 vaccination must be started at 4-6 weeks of age
false
1) Vaccination against canine parvovirus 2 is independent from maternal antibodies
false
2) Vaccination against canine parvovirus 2 depends on maternal antibodies
true
3) The parvovirus enteritis of dogs is caused by canine parvovirus 1
false
4) The parvovirus enteritis of dogs is caused by canine parvovirus 2
true
5) The parvoviral enteritis of dogs is type 3 hypersensitivity
false
6) Maternal antibodies against canine parvovirus can protect puppies for 8 weeks
true, false up to 4 months
7) Maternal antibodies against canine parvovirus can protect dogs for about 2 years
false
8) The replication of canine parvovirus 2 is in the crypt cells of large intestine
false
9) The replication of canine parvovirus 2 is in the crypt cells of small intestine
true
10) Maternal antibodies of dogs protect not longer than 2 weeks in the case of parvoviral enteritis of dogs
false
11) Canine parvoviruses do not infect cats
false
12) Canine parvovirus attack lymphoid cells
true
13) Canine parvovirus is shed with the feces
true
14) Canine parvovirus can replicate in the myocardium of young pups
true
15) Older dogs are usually sero-positive for Canine Parvo virus
true
16) Canine parvoviruses are shed in high concentrations with the faeces
true
17) Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats
true
18) Canine herpesvirus infection can cause abortion
true
19) Dog parvovirus caused enteritis most frequently affects young dogs, less than one year old
true
20) For prevention of Canine parvovirus enteritis, live attenuated virus vaccines are used
true
21) Dog parvovirus can cause myocarditis in young puppies
true
22) Dog parvovirus enteritis is nowadays very rare
false
23) Dog parvovirus can be detected directly from Faeces
true
24) Dog parvovirus can be detected directly from Sera, Saliva. Foetus
false
25) Canine parvovirus infection of susceptible dogs results in high mortality
true
26) Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes.
true
27) Leukopenia is characteristic for successful CPV-2 infections
true
28) Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses
true
29) Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease.
false
30) Canine parvoviruses form a single antigenic group
false
1) Maternal antibodies against cat parvovirus protect only till 2 weeks age.
false
2) Maternal antibodies against cat parvovirus can protect till 4 months age
true
3) Feline panleukopenia infection can cause fever
true
4) Feline panleukopenia may be caused by canine parvovirus
true
5) Feline panleukopenia is present worldwide
true
6) Hyperimmune serum can be used for the treatment of feline panleukopenia
false
7) Feline panleukopenia virus infection of dogs may cause acute diarrhea
false
8) Feline panleukopenia viruses may infect dogs
false
9) The incubation period of Cat panleukopenia is short, usually 3 to 5 days.
true
10) Cat panleukopenia virus can infect only cats
false
11) Cat panleukopenia virus causes disease only in cats
false
12) To cat panleukopenia virus only cats are susceptible
false
13) Cat panleukopenia virus can cause abortion in pregnant cats
true
14) Cat panleukopenia virus can cause disease also in Mustelidae species.
true
15) Vaccinations against Feline panleukopenia usually start at or after 2 months of age
true
16) Europe is free of Feline panleukopenia.
false
1) The mink enteritis is a type 2 hypersensitivity
false
2) Mink parvovirus enteritis is characterized by fever and high mortality
true
3) For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available
true
4) Mink parvovirus enteritis appears as bloody diarrhoea
true
1) Aleutian mink disease and mink enteritis are caused by the same virus.
false
2) Aleutian mink disease is caused by protoparvovirus, like cat parvovirus
false
3) Aleutian mink disease virus causes enteritis
false
4) Vaccines are available against Aleutian mink disease
false
5) Vaccines are used to prevent Aleutian Mink Disease
false
6) Aleutian mink disease is caused by cat parvovirus
false
7) Aleutian mink disease is a type III hypersensitivity
true
8) Aleutian mink disease is a type IV hypersensitivity
false
9) Aleutian mink disease is a type I hypersensitivity
false
10) Aleutian disease is a parvovirus caused immunocomplex disease of minks
true
11) Attenuated vaccines can be used against Aleutian mink disease
false
12) Inactivated vaccines are used against Aleutian mink disease
false
13) Live vaccines are used against Aleutian Mink Disease
false
14) Aleutian mink disease can induce interstitial pneumonia in young animals
true
15) Aleutian mink disease virus induces enteritis in older minks
false
16) Aleutian mink disease virus can infect ferrets
true
17) Ferrets can also be infected by the Aleutian Mink Disease virus.
true
18) The Aleutian Mink Disease is usually acute.
false
19) Aleutian Mink Disease occurs only in the US
false
20) Aleutian Mink Disease is due to formation of immunocomplexes
true
21) Enteritis is a clinical sign of Aleutian Mink Disease.
false
1) The Derzsy’s disease virus causes pneumonia
false
2) The Derzsy’s disease virus can infect ducks
false, should be true, infects muskovy ducks too
3) Ascites can be a clinical sign of Derzsy’s disease
true
4) Derszy’s disease is caused by a polyomavirus
false
5) The Derzsy’s disease virus causes conjunctivitis
false
6) The Derzsy’s disease virus causes tiger stripes on the heart
true
7) Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age
true
8) Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease
true
9) The primary site of replication of Derzsy’s disease virus is the gut
true
10) The Derzsy’s disease virus may induce diarrhea in growing geese
true
11) Derzsy’s disease virus can cross into the egg
true
12) Derzsy’s disease may occur both in geese and Muscovy ducks
true
13) Goose parvovirus can spread both horizontally and vertically
true
14) For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used
true
15) For prevention of Derzsy’s disease both live and inactivated vaccines are used
true
16) Derzsy’s disease appears clinically most frequently in geese aged from one to four weeks
true
17) Derzsy’s disease virus causes enteritis in growing geese
true
18) Derzsy’s disease virus does not infect the egg
false
19) The Derzsy’s disease virus can infect ducks
false, should be true, infects muskovy ducks too
1) The duck parvovirus can infect goose
true, should be false