Entrance test 4 Flashcards
Adenoviruses usually cause central nervous diseases with high lethality.
f
Only attenuated vaccines can be applied for immunization against adenoviruses.
f
Adenoviruses are zoonotic agents.
f
Serological cross-reactions may be seen between adenoviruses within the same genus
t
Adenoviruses are good antigens
t
Adenovirus may cause subclinical infections
t
Equine adenovirus causes haemorrhagic enteritis in foals.
t
Mastadenoviruses infect only mammalian species.
t
Adenoviruses can cause interstitial pneumonia in calves and lambs
t
Adenoviruses can cause pneumoenteritis in calves and lambs
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Bovine adenoviruses may damage kidney tubular cells.
t
Adenoviral pneumoenteritis is frequently followed by bacterial secondary infections in cattle.
t
Adenoviruses may cause urolithiasis in sheep.
t
Cholelithiasis is frequently seen in ovine adenovirus 4 infections of rams
F
Adenoviral pneumo-enteritis is rarely fatal in calves and lambs
T
Adenoviruses can cause purulent bronchoalveolar pneumonia in calves and lambs
F
Bovine adenoviruses are endemic in the majority of large scale cattle stocks
T
Poor keeping conditions and colostral immunity significantly influence the severity of adenovirus associated disease in cattle
T
) Adenoviruses are among the causative agents of chronic bovine respiratory disease complex
T
Colostrum uptake may influence the resistance of calves to adenoviral pneumoenteritis
T
The quality and amount of colostrum uptake influence the severity of adenoviral pneumoenteritis in calves
T
Insufficient colostrum uptake increases the severity of Adeno virus induced diseases in calves.
T
Infertility and abortions are the most significant signs of bovine adenovirus infections
F
In crowded keeping conditions the consequences of bovine adenovirus infections are usually more severe
T
Bovine adenovirus-10 may cause haemorrhagic enteritis.
T
Bovine adenoviruses usually cause disease in calves
T
Poor keeping conditions and colostral immunity significantly influence the severity of adenovirus-associated diseases in cattle.
T
Adenoviral pneumoenteritis is rarely fatal in calves and lambs.
T
Canine adenovirus 1 may cause fatal encephalitis in foxes.
T
No long-term carrier stage is seen in canine adenovirus serotype 1 infections.
F
Lymphocyte cell count is not changed during Canine adenovirus 1 infection
F
Canine Adenovirus 1 infection doesn’t cause viraemia
F
Puppies between the age of 3 and 6 months are the most sensitive to canine hepatitis
T
Dogs carry the canine adenovirus in the kidneys for several months
T
Young dogs between the age of 3 and 6 months are most sensitive to canine hepatitis
T
The canine adenovirus causes disease only in dogs
F
Canine adenovirus infects only dogs
F
Canine adenovirus 1 damages endothelial cells
T
Elevated ALT and AST levels in the serum are potential signs of canine infectious hepatitis
T
Urinary bladder wall oedema is a typical lesion in dogs after canine adenovirus 1 infection
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Canine adenovirus serotype 1 may cause encephalitis in certain carnivore hosts
T
Only inactivated vaccines are available against infectious canine hepatitis infections
F
Canine adenoviral hepatitis is relatively rare in developed countries, because many dogs are vaccinated against it
T
Glaucoma is a frequent sign of peracute canine infectious hepatitis
F
Dogs carry Canine adenovirus serotype-1 usually in the spleen.
F
Ocular lesions can develop in the extended and chronic stages of canine viral hepatitis.
T
Gallbladder wall oedema is a typical lesion in Canine adenovirus-1 infection.
T
The Canine adenovirus-1 can cause disease only in dogs
F
Infectious Canine Hepatitis is usually seen in elderly dogs.
F
Infectious Canine Hepatitis is usually seen in elderly dogs.
F
There is serological cross-protection between Canine adenovirus type-1 and 2
T
Both CAdV-2 and CAdV-1 serotypes can be used to vaccinate against Rubarth ǵs disease.
T
Canine adenovirus infection is sporadic in Hungary
t
Causative agent of Rubarth ǵs disease is CAdV-2
F
Canine infectious hepatitis is caused by several adenovirus serotypes
F
Dogs with Rubarth ǵs disease have a long-term carrier status.
T
Canine adenovirus is characterized by hepatitis and abortion
F
During Canine adenovirus infection hepatitis and encephalitis are the main clinical signs.
T
Vaccines usually contains CAdV-2 strain in live form.
T
CAdV-2 causes CNS disease in puppies
F
Rubarth’s disease is caused by CAdV-2.
F
Rubarth’s disease is a disease of older cats.
F
Rubarth’s disease is caused by CAdV-1.
T
Canine adenovirus 2 is among the causative agents of kennel cough.
T
Canine adenovirus 2 can cause upper respiratory tract inflammation
T
Canine adenovirus 2 causes upper respiratory tract infection in dogs
T
No vaccine is available against Canine Adenovirus 2
F
Canine adenovirus 2 can cause encephalitis in foxes
F
Infectious laryngotracheitis virus replicates in the liver of cats
F
Canine adenovirus-2 frequently causes abortion in dogs
F
Canine laryngotracheitis virus can cause interstitial pneumonia following viraemia
F
Canine adenovirus serotype-2 causes central nervous disease in dog pups.
F
Aviadenoviruses and goose parvovirus may cause similar pathology lesions in goslings.
T
Adenoviruses frequently cause encephalitis in chicken
F
Avian adenovirus spread both vertically and horizontally
T
Aviadenovirus infections of geese may cause lesions similar to the Derzsy ǵs disease.
T
) Avian adenoviruses may cause hepatitis in chicken.
T
Chicken adenoviruses are species-specific
F
Chicken adenovirus can cause embryonic death, bronchitis, and inclusion body hepatitis
T
Aviadenoviruses can cause hepatitis-hydropericardium syndrome in geese.
T
Anaemia and increased mortality are signs of chicken inclusion body hepatitis
T
Aviadenoviruses may cause hepatitis in chickens
T
The turkey haemorrhagic enteritis virus can cause marble spleen diseases in pheasants
T
The turkey haemorrhagic enteritis virus can cause spleen lesions as well
T
The turkey haemorrhagic enteritis and the marble spleen disease are caused by the same virus
T
Antibiotic therapy is forbidden in turkey haemorrhagic enteriti
F
Marble Spleen Disease virus causes lymphatic tumours in geese.
F
Egg drop syndrome virus causes cloaca paralysis
F
Egg drop syndrome virus causes severe inflammation of the ovaries in hens
F
The egg drop syndrome virus can be transmitted vertically
T
The egg drop syndrome is mostly transmitted by arthropods
F
The postmortem lesions of egg drop syndrome virus and polyoma virus in goose are the same
F
) The pathological lesions of egg drop syndrome virus and polyoma virus in goose are the same
F
The egg drop syndrome virus may cause respiratory disease in young geese
F
Egg drop syndrome usually appears in the beginning of the laying season
F
The Egg Drop Syndrome virus causes hepatitis and hydropericardium in young geese
F
The Egg Drop Syndrome virus is mainly transmitted by arthropods.
F
In young geese, respiratory disease may be caused by the EDS virus.
T
The Egg Drop Syndrome virus damages the oviduct of day-old chicken.
F
The Egg drop syndrome virus may cause respiratory disease in young.
T
Egg Drop Syndrome is a disease of chickens of all age groups
F
Adenoviruses of birds, is characteristic with mild diarrhoea and rough, hard eggshell.
F
Egg Drop Syndrome infects duck and geese as well.
T
Inactivated vaccines are used for the prevention of Egg Drop Syndrome
T
Egg Drop Syndrome is caused by an Aviadenovirus.
F
Egg Drop Syndrome virus can spread germinatively.
T
Egg Drop Syndrome occurs in Hungary.
T
Herpesviruses are good antigens.
F
Alphaherpesviruses are host specific slowly multiplying (>24hrs) viruses
F
Alphaherpesviruses may cause latent infection in neurons of ganglia
T
Some herpesviruses have a broad host spectrum (euryxen)
T
Gammaherpesviruses may cause latent infection in neurons of ganglia
T
Herpes viruses are resistant to detergents
F
Herpesviruses are sensitive to detergents.
T
Herpesviruses are generally weak antigens
T
Herpesviruses can cause latent persistent infections
T
Herpesviruses are typically stenoxen viruses, but there are significant exceptions
T
Herpesviruses are strong antigens, therefore single vaccinations provide lifelong protection
F
Herpesviruses are enveloped viruses, therefore they are sensitive to detergents
T
There are no serological cross-reactions between different herpesvirus species.
F
Because the genome of herpesvnruses is very stable, no attenuated mutant vaccine strains are available.
F
Infectious bovine vulvovaginitis virus strains cause abortions and foetal deformities
F
Herpesvirus infections frequently result in latent virus carry
T
Herpesviruses usually cause latent infections and life-long virus carries.
T
Infectious bovine rhinotracheitis virus can cause abortion.
T
The use of marker vaccines can help the eradication of infectious bovine rhinotracheitis virus.
T
The most frequently used eradication strategy for IBRV is selection with the help of marker vaccines
T
Marker vaccines can be used in IBRV eradication programs in cattle farms.
T
Antibodies against infectious bovine rhinotracheitis virus (IBRV) might be detected in the milk
T
Conjunctivitis and blepharitis are signs of infectious bovine rhinotracheitis
T
The infectious bovine rhinotracheitis virus (IBRV) causes haemorrhagic gastroenteritis.
F
Infectious bovine rhinotracheitis virus also causes mastitis in cows
F
Infectious bovine rhinotracheitis virus is transmitted by arthropods
F
Infectious bovine rhinotracheitis virus can cause fatal encephalitis in calves
T
Infectious Bovine Rhinotracheitis virus frequently causes encephalitis in old cow and bulls
F
Infectious Bovine Rhinotracheitis virus frequently causes encephalitis in old sow and bulls
F
Infectious Bovine Rhinotracheitis can be endemic on cattle farms
T
Infectious bovine rhinotracheitis virus can cause skin lesions on the genitals
T
Bulls can shed the infectious bovine rhinotracheitis with semen
T
The infectious bovine rhinotracheitis virus (IBRV) may spread via semen
T
Pregnant cows should be immunized with inactivated vaccines against IBRV
T
Pregnant cows should be immunized against IBRV only with inactivated vaccine
T
Attenuated vaccines are used in pregnant cows against Infectious Bovine Rhinotracheitis virus.
F
Pregnant cows can be immunized against IBRV only with attenuated vaccines
F
Infectious bovine rhinotracheitis virus can cause abortion.
T
Because Bovine herpesvirus l causes latent infections; it is not possible to eradicate it from a cattle population.
F
Bovine herpesvirus l may cause encephalitis in calves.
T
IBRV may cause encephalitis in calves.
T
Only inactivated vaccines are available against Bovine herpesvirus l
F
Bovine herpesvirus 1 may be transmitted through semen
T
Seropositive cattle cannot be carriers of the Infections Rhinotracheitis virus§
F
Infectious Bovine Rhinotracheitis virus (IBRV) can be transmitted through vectors.
F
The IBR virus causes nephritis in calves usually in the age between one and six months.
F
Infectious Bovine Rhinotracheitis (IBR) cause serous nasal discharge.
F
Infectious Bovine Rhinotracheitis in 6-month-old calves usually causes pneumonia.
T
Infectious Bovine Rhinotracheitis in cattle 6 months of age can cause encephalitis.
F
Infectious Bovine Rhinotracheitis often cause genital lesions with vesicles.
T
Infectious Bovine Rhinotracheitis may cause inflammation of conjunctiva.
T
Infectious Bovine Rhinotracheitis cause purulent discharge
T
In Hungary the gE-negative marker vaccine is to be used in the control of Infectious Bovine Rhinotracheitis.
T
Infectious Bovine Rhinotracheitis is rapidly spread within the herd.
F
Infectious Bovine Rhinotracheitis is no longer present in Hungary
F
The respiratory form of Infectious Bovine Rhinotracheitis is often followed by genital symptoms.
F
Infectious Bovine Rhinotracheitis spreads slowly within a herd.
T
We can see characteristic clinical signs of Infectious Bovine Rhinotracheitis in day-old calves.
F
We are doing Infectious Bovine Rhinotracheitis virus eradication programs in Hungary
T
Infectious Bovine Rhinotracheitis virus mainly cause encephalitis in cattle older than 6 months.
F
Infectious Bovine Rhinotracheitis mainly causes pneumonia in 1-6 months old calves.
T
Infectious Bovine Rhinotracheitis is rare, BHV-1 only affects cattle.
F
In the transmission IBRV, the most important route is the germinative route.
F
Genital form of IBR is often followed by abortion.
F
IBR can occur in several clinical forms.
T
IBR is a frequent infection, cattle and its closest relatives are affected.
T
Bovine Herpes virus 2 frequently causes abortion
F
Bovine herpes mamillitis virus can cause mastitis in cows
F
Bovine herpes mamillitis virus may cause lesions on the muzzle of suckling calves
T
The bovine herpes mamillitis virus causes lesions on the skin of the milkers, therefore it is a zoonotic agent
F
Bovine herpesvirus 2 may cause generalised skin lesions
T
Bovine herpesvirus 2 is the most frequent primary cause of mastitis in cattle
F
Bovine Herpes Mammillitis virus causes milkers’ nodules in humans
F
Bovine Herpes Mammillitis virus may cause lesions on the lips of milking calves.
T
Regarding Bovine Herpes Mammillitis, mainly heifers show clinical signs.
T
Swine inclusion body rhinitis virus is causing mainly subclinical infection.
T
) Bloody nasal discharge can be a sign of swine inclusion body rhinitis
T
Clinical manifestation of swine inclusion body rhinitis is usually seen in piglets less than 3 weeks old
T
Inclusion body rhinitis is predisposing to fatal respiratory disease in pigs
F
Suid herpesvirus 2 may cause upper respiratory tract disease in piglets
T