Past Questions Flashcards
Polyomavirus causes latent infections
(T/F)
False
Adenovirus causes enteritis in mammals/birds
(T/F)
False
Describe the morphology of the adenovirus
- Linear dsDNA virus
- Icosahedral capsid
- Non-enveloped
- Replicates in the nucleus
What type of virus is Varicellovirus?
Herpesvirus
Poxvirus causes skin lesions
(T/F)
True
Capripox causes skin lesions
(T/F)
True
What type of virus is Hepadnaviridae?
DNA virus
Describe the morphology of circoviridae
- Circular dsDNA virus
- Icosahedral capsid
- Non-enveloped
- Replicates in the nucleus
Parvo causes enteritis
(T/F)
True
How is Birnaviridae transmitted?
Contact
Rotavirus causes neonatal enteritis
(T/F)
True
What is the host of Teschovirus
Pigs
What does parechovirus cause?
Enteritis
Avastrovirus causes what in chickens?
Nephritis
Dicistroviridae is a virus of honey bees
(T/F)
True
How is rabbit haemorrhagic disease transmitted?
Contact
Border disease causes abortion in sheep
(T/F)
True
Arteriviridae affects stallions
(T/F)
True
The host of avian influenza virus
Wild water birds
The surface protein of influenza
Hemaglutinin
Parainfluenza virus 3 infects…
Cattle + Sheep - “Shipping Fever”
What type of virus is Canine distemper virus?
Morbillivirus (Paramyxoviridae)
Cowpox/pseudocowpox is zoonotic
(T/F)
True
Herpesvirus is an arbovirus
(T/F)
False
What does herpesvirus cause?
Lesions (Oral/genital)
How is Ephemerovirus transmitted?
Mosquitos
Nairovirus is an arthropod virus
(T/F)
True
What lesions does a Retrovirus cause?
Lesions in the skin and brain
(Sarcoma, carcinoma, leukemia tumours)
TSE (transmissible spongiform encephalopathies) affects mainly cattle/mink/cats
(T/F)
True
Prions are resistant to proteases
(T/F)
True
Name of TSEs in sheep
Scrapie
African horse sickness is caused by which virus
Orbivirus
Genera of the picornaviridae are…
- Entero-;
- Aptho-;
- Avihepato-;
- Hepato-;
- Cardio-;
- Tescho-;
- Tremo-;
- Parecho-;
- Kobu- virus
Choose the correct answer
Alphaviruses:
- Transmitted by ticks
- May be zoonotic
- Only present in America
- No cross reaction
- May be zoonotic
Torovirus can cause…
- Berne virus
- Breda virus
- Chicken, swine and human gastroenteritis
Reservoir host of mammastrovirus
Humans, mammals, vertebrates
Choose the correct answer
Human and bovine pathogen viruses are found in the…
- Alpha
- Beta
- Gamma
Alpha
Prion pathogens do not contain…
Nucleic acid (proteins)
Lesions caused by Pox on CAM embryonic egg are called
Pock lesions
Which disease was recently eradicated from Earth?
Small pox & Rinderpest
Kidney lesions in chicken are caused by…
Avastrovirus
Prions cause what in sheep?
Scrapie
How are airborne viruses contracted?
Breathed in through the respiratory tract
The host of hantavirus
Rodents
What is the given name for goose disease?
Goose parvovirus (Derzsy’s disease)
Adeno- & orthomyxovirus - Name the disease for calves
Pneumoenteritis
What does Aujesky Disease cause in canines?
Lethal CNS disease, like rabies
Immunosuppression: true/false
- Leukemia
- Lymphocytes
- Enterocytes
- Encephalomyelitis
- Leukemia: True
- Lymphocytes: False
- Enterocytes: True
- Encephalomyelitis: True
What virus is propagated in the Chorioallantoin?
Pox and herpesvirus
Polyomavirus can cause persistent infections in kidney cells
(T/F)
True
Papillomavirus often cause encephalitis and diarrhoea in swine
(T/F)
False
Serological cross-reactions may occur between adenovirus species within the same genus
(T/F)
True
Atadenoviruses may cause disease in birds
(T/F)
True
Give the correct answer
Aujesky’s disease is caused by the:
- Suid herpesvirus type 1
- Canid herpesvirus type 2
- Porcine parvovirus type 1
- Porcine circovirus type 2
Suid herpesvirus type 1
Which virus family contains viruses with positive sense, single-stranded RNA genome and helical capsid?
Coronaviridae
What virus causes abortions?
- Varicellovirus
- Arteritis virus
- Phlebovirus
- Orbivirus
- Nairovirus
What disease is caused in hens by astrovirus
Chicken astrovirus (White chicks condition)
Which virus families causes haemorrhage?
- Calciviridae
- Parvoviridae
- Circoviridae
- Asfivirus
- Orbivirus
- Nairovirus
- Arenaviridae
- Paramyxovirus
- Filovirus
Disease in hens caused by the atadenovirus
Egg drop syndrome
Which virus families cause skin lesions
- Papillomaviridae
- Polyomaviridae
What is the family of the distemper virus?
Paramyxoviridae
Parvo in the environment
- Fecal matter
- Can survive on surfaces
Describe the orthobunyavirus
- Segmented Circular ssRNA genome
- Helical capsid
- Enveloped
Prions in sheep
Agents of transmissible spongiform encephalitis and cause scrapie in sheep
Tick vectors
- Colorado tick fever
- Lyme disease
- Hepatazoonosis
Reservoir host for mamarenavirus
Pet hamsters, mice, rodents
Role of VtRt in hepadnaviridae
Replication
What is the name of the lesion seen on the choric-allantoic membrane of an embryonated turkey egg, infected with proxvirus?
Pock
Oseltamivir and zanamivir block:
Tamiflu and Zanamivir neuraminidase inhibiotrs against influenza.
Papilloma viruses are usually…
Stenoxenous
Alpha herpes virus cause…
Latency in ganglionic nerve cells
Orthopox viruses cause…
Cowpox virus
Beak + feather disease viruses have what effect?
Immunosuppressive
Orthoreoviruses cause…
Tenosynovitis in birds
Alpha viruses are … agents
Zoonotic
Torovirus
Foals & Calves
- Stomach inflammation
- Enteritis
Ebola virus causes…
Bleeding + fever in humans
Viruses affecting humans and cattle
Deltaretrovirus
Bacteriophages can be used for…
Bacteriological diagnostic tests
Prion proteins are usually spread…
Orally
Kidney failure cause in chickens
Gammacoronavirus
In horses, it causes a slowly-developing infection
Infective anaemia
(T/F)
Immunosuppression in cats:
- Panleukopenia virus
- Peritonitis virus infecting cats
- Feline leukaemia virus
- The infectious bursitis virus
- Newcastle disease virus
- Panleukopenia virus - False
- Peritonitis virus infecting cats - True
- Feline leukaemia virus - True
- The infectious bursitis virus - False
- Newcastle disease virus - False
(T/F)
Causes human rubeola:
- Sheep adenocarcinoma virus adenovirus
- Diarrhoea-causing enterovirus in cattle
- Sheep adenocarcinoma virus adenovirus - False
- Diarrhoea-causing enterovirus in cattle - True
(T/F)
Causes abortion, respiratory & CNS symptoms:
- Herpresmamillitis virus
- Cattle affecting infectious rhinotracheitis virus
- Equine rhinopneumonitis virus
- Aujeszky-disease virus
- Herpresmamillitis virus - False
- Cattle affecting infectious rhinotracheitis virus - True
- Equine rhinopneumonitis virus - True
- Aujeszky-disease virus - True
(T/F)
Small mammals are the hosts of:
- Mammalian bornavirus
- Mammaerenavirus
- Mamastrovirus
- Hantavirus
- Mammalian bornavirus - True
- Mammaerenavirus - True
- Mammastrovirus - False
- Hantavirus - True
Which animal suffers mouth pain as a result of Aujesky’s disease?
Sheep
Illness caused by rhinovirus
Rhinitis
In which species is border disease found?
Sheep
Which virus causes persistent infections in the sexual organs/tracts?
Arterovirus
Which virus causes glandular stomach disease in parrots?
Bornavirus
What vectors spread rabbit haemorrhage fever?
Contact/fomites
Viruses affecting bees
- Dicistroviridae
- Iflaviridae
Viruses causing encephalitis in horses
- Togaviridae
- Flaviviridae
Paramyxoviridae + Paramyxovirinae - Henipavirus:
Hendra virus
Bornaviridae causes…
Bornean sickness
(T/F)
All bunyaviridae are arbo viruses…
False (not Hantavirus)
Does border disease cause abortion in sheep?
Yes
What form does herpes latency appear as in the nucleus?
Episome
