calci-, astro-, hepe-, toga-, flavi-, corona-, arteri Flashcards
Caliciviruses have strong resistance to the environment.
T
F
True
Feline calicivirus induces characteristic mucosal erosions on the tongue.
T
F
True
Which statement is false?
a. The RHDV-1 infects rabbit and hare too b. The rabbit haemorrhagic disease vaccine is produced by experimental animal infection c. The rabbit haemorrhagic disease is a notifiable disease d. The RHDV-2 infects rabbit and hare too
d. The RHDV-2 infects rabbit and hare too
Which statement is false
a. Feline calicivirus may cause locomotor disorders b. Noro- and Saporoviruses are communicated by food c. VES is an exclusively swine disease d. Lagoviruses infect only domestic rabbits
d. Lagoviruses infect only domestic rabbits
Feline calicivirus may cause locomotor disorders
T
F
True
The Feline Infectious Peritonitis is caused by a calicivirus
T
F
F
The symmetry of caliciviruses is pleomorphic.
a. True b. False
b. False
Which statement is true?
a. Caliciviruses have strong resistance to the environment b. Calicivirusers are weak antigens c. Caliciviruses can be detected by haemagglutination test d. Caliciviruses cause CNS sign
a. Caliciviruses have strong resistance to the environment
Astroviruses cause helicopter disease in chicken
F
T
F
Astroviruses are good antigens.
T
F
T
Astroviruses cause nephritis in chicken.
T
F
T
Astroviruses
a. Cause gastroenteritis in mammals b. Have low resistance in environment c. Are euryxen pathogens d. Spread by the air
T
Astroviruses
a. are sensitive to low pH. b. cause splenomegaly and hepatomegaly in chicken. c. may cause disease in human. d. are fish pathogens.
c. may cause disease in human.
Avastroviruses cause anaemia in chicken
a. True b. False
b. False
Avastroviruses cause the inflammation of bursa Fabricii in chicken
a. False b. True
a. False
(thats birna- )
Orthohepevirus A is zoonotic.
T
F
T
. Hepeviruses
a. are potentially zoonotic. b. cause respiratory infections. c. have weak resistance in the environment. d. are transmitted by insect vectors.
d. Zoonotic spread is common among hepeviruses of mammals
Hepeviruses
a. Cause the inflammation of the gill in salmons b. Are sensitive to cold temperature c. Cause cell rounding in tissue culture d. Are only present in asia
b. Are sensitive to cold temperature
Hepeviruses cause hepatomegaly and splenomegaly in chicken.
T
F
T
Birds may be the reservoir of some togaviruses.
T
F
T
Zoonotic viruses can be found in the
a. Birnaviridae family. b. Circoviridae family. c. Polyomaviridae family. d. Togaviridae family.
d. Togaviridae family.
The yellow fever virus is classified into the Togaviridae family.
a. True b. False
b. False
thats the flavi-
Toga- and flaviviruses
a. have -ssRNA genome. b. have helical capsid. c. are enveloped.
c. are enveloped.
Which statement is true?
a. Eastern equine encephalitis is present in asia b. Togaviruses can be demonstrated by the HA test c. Certain togaviruses cause respiratory disease d. Togaviruses are weak antigens
b. Togaviruses can be demonstrated by the HA tes
Which statement is false?
a. Bunyaviruses may be transmitted by arthropod vectors b. Togaviruses may be transmitted by arthropod vectors c. Arenaviruses may be transmitted by arthropod vectors d. Flaviviruses may be transmitted by arthropod vectors
c. Arenaviruses may be transmitted by arthropod vectors
Togaviruses are resistant to the environmental conditions.
T
F
F
Some togaviruses cause rash and fever in human. Certain togaviruses cause joint pain in human.
T
F
T
The venezualan equine encephalitis is a notifiable disease
a. True b. False
a. True
Which statement is true?
a. Flaviviruses can be identified by the characteristic CPE they cause b. Some flaviviruses are weak antigens c. Within flaviviridae genera cross-reactions are detected. d. Flaviviruses are resistant to environmental conditions
c. Within flaviviridae genera cross-reactions are detected.
Flaviviruses can be inactivated by detergents
T
F
t
Which Statement is false?
A. Flaviviruses can be inactivated by detergents. B. Hepaciviruses are zoonotic C. Pegiviruses cause chronic hepatitis D. Pestiviruses are transmitted by mosquitoes.
C. Pegiviruses cause chronic hepatitis
African swine fever is a Pestivirus.
T
F
FALSE
Pestiviruses may cause damage to fetuses.
T
F
True
Which statement is true?
a. Flaviviruses have an icosahedral capsid b. Flaviviruses are resistant to detergents c. Flaviviruses cause intranuclear inclusion body formation in cell culture d. Flaviviruses have a segmented genome
a. Flaviviruses have an icosahedral capsid
Which statement is false?
a. Coronaviruses cause characteristic CPE in cell cultures b. Coronaviruses are host specific c. Within coronavirus genera we can detect serological cross reactions d. Host change is frequent in the case of coronaviruses
a. Coronaviruses cause characteristic CPE in cell cultures
. Coronaviruses are sensitive to detergents.
a. False b. True
b. True
Corona- and arteriviruses
a. cause intranuclear inclusion bodies. Only Arena + Bunya ambisense b. cause notifiable diseases. c. may infect fish. d. are transmitted by insect vectors
b. cause notifiable diseases
Coronaviruses
a. Propagate only in dividing cells b. Do not show serological cross reactions c. Synthesize subgenomic mRNAs for structural proteins d. Cause disease exclusively in birds
c. Synthesize subgenomic mRNAs for structural proteins
Which statement is false? Corona viruses are sensitive to…
a. Detergents b. Low ph c. High temperature d. UV irradiation
b. Low ph
Deltacoronaviruses cause infection in birds and mammals
T
F
True
Certain coronaviruses cause enteric disease.
T
F
True
The Feline Infectious Peritonitis is caused by a coronavirus.
T
F
true
which virus contains viruses with positive sense, singl stranded rna genome and helical caspid?
coronaviridae
Arteriviruses
a. Cause abortion and respiratory signs in horses b. Cause diarrhoea in chicken c. Have quasihelical symmetry d. Use reverse transcriptase during replication
a. Cause abortion and respiratory signs in horses
Equine arteritis virus can cause persisting infection in
a. Mares b. Stallions c. Foals d. Geldings
b. Stallions
Arteriviruses
a. Cause disase exclusively in birds b. Show serological cross-reactions within the family c. Propagate only in diving cells d. Synthesize subgenomic mRNAs for structural proteins
d. Synthesize subgenomic mRNAs for structural proteins
. Arteriviruses cause disease mostly in birds.
a. True b. False
b. False
Bluecomb disease is caused by an arterivirus
T
F
False
Arteriviruses are haemagglutinating viruses
a. True b. False
b. False
The PRRS virus causes
a. Oedema and abortion in horse b. Respiratory symptoms and abortion in swine c. Haemorrhagic fever in monkey d. Elevation of the lactate-dehydrogenase level in mouse
b. Respiratory symptoms and abortion in swine
