Midterm 1: Adenovirus Flashcards
Adenoviruses are resistant to detergents and lipid solvents
True
Adenoviruses are resistant to detergents
True
Adenoviruses are enveloped viruses, therefore they are sensitive to detergents
False
Adenoviruses are arboviruses
False
Adenoviruses are not too resistant enveloped viruses
False
Adenoviruses have mostly a broad host spectrum (euryxen pathogens)
False
Adenoviruses are poor antigens
False
There is no cross reactivity and cross protection among adenoviruses within genera
False
There are no serological cross-reactions between different adenovirus species
False
Adenovirus infections always result in severe disease
False
Intranuclear inclusion bodies are frequently seen in adenovirus-infected tissues
True
In immunocompromised foals equine adenoviruses may cause severe respiratory disease
True
Several adenoviruses of domestic animals are zoonotic agents
False
Adenoviruses usually cause central nervous diseases with high lethality
False
Only attenuated vaccines can be applied for immunisation against adenoviruses
False
Crowded keeping conditions may facilitate the spread of adenoviruses in a population
True
Adenoviruses infect only mammalian hosts
False
Adenoviruses are zoonotic agents
False
Serological cross-reactions may be seen between adenoviruses within the same genus
True
Adenoviruses are good antigens
True
Adenovirus may cause subclinical infections
True
Equine adenovirus causes haemorrhagic enteritis in foals
True
Mastadenoviruses infect only mammalian species
True
Adenoviruses can cause interstitial pneumonia in calves and lambs
True
Adenoviruses can cause pneumo enteritis in calves and lambs
True
Bovine adenoviruses may damage kidney tubular cells
True
Adenoviral pneumo enteritis is frequently followed by bacterial secondary infections in cattle
True
Adenoviruses may cause urolithiasis in sheep
True
Cholelithiasis is frequently seen in ovine adenovirus 4 infections of rams
False
Adenoviral pneumo-enteritis is rarely fatal in calves and lambs
True
Adenoviruses can cause purulent bronchoalveolar pneumonia in calves and lambs
False
Bovine adenoviruses are endemic in the majority of large scale cattle stocks
True
Poor keeping conditions and colostral immunity significantly influence the severity of adenovirus associated disease in cattle
True
Adenoviruses are among the causative agents of chronic bovine respiratory disease complex
True
Colostrum uptake may influence the resistance of calves to adenoviral pneumo enteritis
True
The quality and amount of colostrum uptake influence the severity of adenoviral pneumo enteritis in calves
True
Insufficient colostrum uptake increases the severity of Adenovirus induced diseases in calves
True
Infertility and abortions are the most significant signs of bovine adenovirus infections
False
In crowded keeping conditions the consequences of bovine adenovirus infections are usually more severe
True
Bovine adenovirus-10 may cause haemorrhagic enteritis
True
Bovine adenoviruses usually cause disease in calves
True
Poor keeping conditions and colostral immunity significantly influence the severity of adenovirus-associated diseases in cattle.
True
Adenoviral pneumo enteritis is rarely fatal in calves and lambs
True
Canine adenovirus 1 may cause fatal encephalitis in foxes
True
No long-term carrier stage is seen in canine adenovirus serotype 1 infections
False
Lymphocyte cell count is not changed during Canine adenovirus 1 infection
False
Canine Adenovirus 1 infection doesn’t cause viraemia
False
Dogs carry the canine adenovirus in the kidneys for several months
True
Young dogs between the age of 3 and 6 months are most sensitive to canine hepatitis
True
The canine adenovirus causes disease only in dogs
False
Canine adenovirus infects only dogs
False
Canine adenovirus 1 damages endothelial cells
True
Elevated ALT and AST levels in the serum are potential signs of canine infectious hepatitis
True
Urinary bladder wall oedema is a typical lesion in dogs after canine adenovirus 1 infection F
False (?)
Canine adenovirus serotype 1 may cause encephalitis in certain carnivore hosts
True
Only inactivated vaccines are available against infectious canine hepatitis infections
False
Canine adenovirus hepatitis is relatively rare in developed countries, because many dogs are vaccinated against it
True
Glaucoma is a frequent sign of peracute canine infectious hepatitis
False
Dogs carry Canine adenovirus serotype-1 usually in the spleen
False
Ocular lesions can develop in the extended and chronic stages of canine viral hepatitis
True
Gallbladder wall oedema is a typical lesion in Canine adenovirus-1 infection
True
Infectious Canine Hepatitis is usually seen in elderly dogs
False
There is serological cross-protection between Canine adenovirus type-1 and 2
True
Both CAdV-2 and CAdV-1 serotypes can be used to vaccinate against Rubarth ́s disease
True
Canine adenovirus infection is sporadic in Hungary
True
Causative agent of Rubarth ́s disease is CAdV-2
False
Canine infectious hepatitis is caused by several adenovirus serotypes
False
Dogs with Rubarth ́s disease have a long-term carrier status
True
Canine adenovirus is characterized by hepatitis and abortion
False
During Canine adenovirus infection hepatitis and encephalitis are the main clinical signs
True
Vaccines usually contain CAdV-2 strain in live form
True
CAdV-2 causes CNS disease in puppies
False
Rubarth’s disease is caused by CAdV-2
False
Rubarth’s disease is a disease of older cats
False
Rubarth’s disease is caused by CAdV-1
True
Canine adenovirus 2 is among the causative agents of kennel cough
True
Canine adenovirus 2 can cause upper respiratory tract inflammation
True
Canine adenovirus 2 causes upper respiratory tract infection in dogs
True
No vaccine is available against Canine Adenovirus 2
False
Canine adenovirus 2 can cause encephalitis in foxes
False
Infectious laryngotracheitis virus replicates in the liver of cats
False
Canine adenovirus-2 frequently causes abortion in dogs
False
Canine laryngotracheitis virus can cause interstitial pneumonia following viraemia
False
Canine adenovirus serotype-2 causes central nervous disease in dog pups
False
Aviadenoviruses and goose parvovirus may cause similar pathology lesions in goslings
True
Adenoviruses frequently cause encephalitis in chicken
False
Avian adenovirus spread both vertically and horizontally
True
Aviadenovirus infections of geese may cause lesions similar to the Derzsy’s disease
True
Avian adenoviruses may cause hepatitis in chicken
True
Chicken adenoviruses are species-specific
False
Chicken adenovirus can cause embryonic death, bronchitis, and inclusion body hepatitis
True
Aviadenoviruses can cause hepatitis-hydropericardium syndrome in geese
True
Anaemia and increased mortality are signs of chicken inclusion body hepatitis
True
Aviadenoviruses may cause hepatitis in chickens
True
The turkey haemorrhagic enteritis virus can cause marble spleen diseases in pheasants
True
The turkey haemorrhagic enteritis virus can cause spleen lesions as well
True
The turkey haemorrhagic enteritis and the marble spleen disease are caused by the same virus
False (small DNA differences)
Antibiotic therapy is forbidden in turkey haemorrhagic enteritis
False
Marble Spleen Disease virus causes lymphatic tumours in geese
False
Egg drop syndrome virus causes cloaca paralysis
False
Egg drop syndrome virus causes severe inflammation of the ovaries in hens
False
The egg drop syndrome virus can be transmitted vertically
True
The egg drop syndrome is mostly transmitted by arthropods
False
The postmortem lesions of egg drop syndrome virus and polyoma virus in goose are the same
False
The egg drop syndrome virus may cause respiratory disease in young geese
False
Egg drop syndrome usually appears in the beginning of the laying season
False
The Egg Drop Syndrome virus causes hepatitis and hydropericardium in young geese
False
In young geese, respiratory disease may be caused by the EDS virus
True
The Egg Drop Syndrome virus damages the oviduct of day-old chicken
False
The Egg drop syndrome virus may cause respiratory disease in young
True
Egg Drop Syndrome is a disease of chickens of all age groups
True (?)
Adenoviruses of birds are characteristic with mild diarrhoea and rough, hard eggshell
False
Egg Drop Syndrome infects ducks and geese as well
True
Inactivated vaccines are used for the prevention of Egg Drop Syndrome
True
Egg Drop Syndrome is caused by an Aviadenovirus
False
Egg Drop Syndrome virus can spread germinatively
True
Egg Drop Syndrome occurs in Hungary
True