Entrance test 3 Flashcards
The Derzsy’s disease virus causes pneumonia.
f
The Derzsy’s disease virus can infect ducks
f
Ascites can be a clinical sign of Derzskys disease
t
Derszys disease is caused by a polyomavirus
F
The Derzsy’s disease virus causes conjunctivitis
F
The Derzsy’s disease virus causes tiger stripes on the heart
T
Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age
T
Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease
T
The primary site of replication of Derzsy’s disease virus is the gut
T
The Derzsy’s disease virus may induce diarrhea in growing geese.
T
Derzsy ǵs disease virus can cross into the egg
T
Derzsy ǵs disease may occur both in geese and Muscovy chucks
T
Goose parvovirus can spread both horizontally and vertically
T
For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used.
T
For prevention of Derzsy’s disease both live and inactivated vaccines are used.
T
Derzsy’s disease appears clinically most frequently in geese aged from one to four weeks.
T
Derzsy ǵs disease virus causes enteritis in growing geese
T
Derzsy ǵs disease virus does not infect the egg.
F
The Derzsy’s disease virus can infect ducks
F
The duck parvovirus can infect goose
need to double check
The reproduction of the circovirus continuous in the dividing cells.
t
The circovirus is too small so it’s a bad antigen
F
The circovirus is a good antigen
T
Circovirus infections are immune suppressive
T
Circovirus can easily be cultured in different homologous cell lines
F
Circoviruses can be cultured easily in many cell lines.
F
Resistance of circovirus is very low, in the environment they are inactivated within a day.
F
The resistance of Circoviruses is high, they remain infectious in the environment for several months.
T
Causes generalized lymphoid depletion.
T
Only causes the depletion of B-lymphocytes
F
Canine circoviruses are present worldwide.
F
Circovirus are very resistant viruses
T
The circovirus has circular RNA in its genome
F
Swine circovirus causes lesions in multiple organs and strong immunosuppression.
T
Porcine circovirus can be transmitted by mice and rats
T
Porcine circovirus vaccines are available both for sows and for piglets.
T
Detection of PCV2’s DNA is enough for the correct diagnosis.
F
Four species of swine circovirus were described.
T
The porcine circovirus 2 is proven to be immunosuppressive.
T
PCV2 detection in foetal myocardium is pathognomic value
T
Porcine circovirus replicates in the myocardium of the foetus
T
In pigs the porcine circovirus 2 can cause BFD
F
The porcine circovirus can replicate in the foetus
NOT ANSWERED
The clinical signs, pathological and histopathological examination suggest PCV2 induced disease
T
PCV2 can cause respiratory signs
T
The primer replication of PCV2 is in lymphoid tissues of the throat
T
PCV2 infection does not always cause clinical signs
T
Porcine circovirus 2 always causes clinical signs in pigs
F
Porcine circovirus 2 always causes clinical signs in cattle
F
There is no efficient vaccine against PCV2
F
The porcine circovirus can replicate in the foetus
T
Circovirus in pigs can be Subclinica
T
Porcine circoviruses are responsible for a variety of clinical conditions
T
Porcine circoviruses cannot be responsible for reproductive disorders
F
Porcine circoviruses are present worldwide
T
Porcine circovirus can be transmitted by mice and rats.
T
Porcine circoviruses cause severe haemorrhagic diseases in pigs
T
Porcine circoviruses are genetically and antigenically uniform
F
Porcine circoviruses may cause a variety of diseases
T
For prevention of Swine circovirus disease only general hygienic measures can be used.
F
Swine circovirus can cause retarded growth and strong immunosuppression.
t
Swine circovirus caused disease occurs worldwide, it is frequent
t
For prevention of swine circovirus disease, inactivated vaccine is available.
t
Swine circovirus causes only respiratory signs.
f
Swine circovirus may be shed in excretions for several months after recovery.
t
For prevention of Porcine circovirus disease vaccines are available.
T
The incubation period of Porcine circovirus caused disease is about 2-4 weeks.
T
Incubation period of porcine circovirus disease is short, some days
F
Porcine circovirus-2 causes clinical signs mainly after weaning.
T
Predisposing factors for Porcine Circovirus associated disease can be: Vaccines. The virus variant. Virus strain
T
Predisposing factors for Porcine Circovirus associated disease can be Food management.
F
PCV2 can cause: Enteric disorders. Disorders in the nervous system. Respiratory disease. Reproductions disorders.
T
Porcine circovirus-1 may damage the foetus.
F
Porcine circoviruses cannot be responsible for reproductive disorders.
F
Porcine circoviruses replicate in the heart of the foetus.
T
Porcine circovirus may cause inapparent infections
T
Circovirus can be responsible for the Porcine Respiratory Disease Complex.
T
Reproductive disorders caused by Porcine circoviruses are only significant in North America
F
Circovirus cause skin lesions in swine.
T
A clinical sign of PMWS can be a progressive weight loss
T
PMWS is a type 3 hypersensitivity
F
PMWS is a type 4 hypersensitivity
F
One of the most common pathological signs of PMWS is glomerulonephritis
F
Typical pathological finding of PMWS is enlarged mesenteric lymph nodes
T
Typical pathological finding of PMWS is pneumonia
NOT ANSWERED
A clinical sign of PMWS can be haemorrhages in the skin
F
In pigs the porcine circovirus 1 can cause PMWS
T
In pigs the porcine circovirus 2 can cause PDNS.
T
One of the most common pathological signs of PDNS is glomerulonephritis
T
PDNS is an allergic disease.
T