specific viro Flashcards
Retroviruses
a. cause cell-associated infections.
b. are extremely resistant in the environment.
c. infect only mammals.
d. are mostly zoonotic
cause cell-associated infections
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
The classical swine fever virus is transmitted by ticks.
a. True
b. Fals
b. false
The parrot proventricular dilatation disease virus
a. has a segmented genome.
b. belongs to the Bunyavirales order.
c. belongs to the Bornaviridae family.
d. belongs to the Arenaviridae family
c. belongs to the bornaviridae family
. The rhabdovirus genome is segmented.
a. True
b. False
b. False
The arenavirus virion contains ribosomes.
a. False
b. True
b. true
The rabies virus
a. does not cause viraemia.
b. is an arbovirus.
c. is a weak antigen.
d. cause strong CPE in cell culture.
a. does not cause viraemia
Picornaviruses use reverse transcriptase enzyme for
their multiplication.
a. False
b. True
a. False
Prions are resistant to heat treatment
a. True
b. False
a. true
Reo- and birnaviruses
a. have a segmented genome.
b. are enveloped.
c. have binal symmetry.
d. use cellular transcriptase for the multiplication
a. have a segmented genome
. The maintaining hosts of the Marburg virus are
a. African rodent species.
b. bats.
c. mosquitoes.
d. ticks
b. bats
Coronaviruses are sensitive to detergents.
a. False
b. True
b. True
The genome of astroviruses is ambisense.
a. False
b. True
a. false
Filoviruses have helical capsid.
a. True
b. False
a. true
Zoonotic viruses can be found in the
a. Birnaviridae family.
b. Circoviridae family.
c. Polyomaviridae family.
d. Togaviridae family
d. togaviridae family
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
Which statement is true?
a. Mad cow syndrome is a notifiable disease.
b. Prions cause rash and fever.
c. All bacteriophages have binal symmetry.
d. Viroids consist only of proteins.
a. mad cow syndrome is a notifiable disease
Toga- and flaviviruses
a. have -ssRNA genome.
b. have helical capsid.
c. are enveloped.
c. are enveloped
Avulaviruses cause disease in birds.
a. False
b. True
b. true
The variola virus is present worldwide.
a. True
b. False
b. false
Arteriviruses cause disease mostly in birds.
a. True
b. False
b. false
Some reoviruses are transmitted by insect vectors.
a. True
b. False
a. true
Which virus uses reverse transcriptase for its
multiplication?
a. . Hepatitis A virus.
b. . Hepatitis E virus.
c. . Hepatitis C virus.
d. . Hepatitis B virus
d. hepatitis B virus
The symmetry of caliciviruses is pleomorphic.
a. True
b. False
b. false
Autovaccines are used against papillomaviruses.
a. True
b. False
a. true
The bornavirus genome is ambisense.
a. True
b. False
b. false
Which statement is true?
a. Orthomyxoviruses infect only terrestrial animals.
b. The mutation rate of orthomyxoviruses is very low.
c. Some orthomyxoviruses are arboviruses.
d. Orthomyxoviruses cause myxomatosis in rabbits
c. some orthomyxoviruses are arboviruses
Influenza B and C viruses cause disease mainly in
human.
a. True
b. False
a. true
Parvo- and circoviruses cannot be propagated in vitro.
↳ parrot circo does
a. True
b. False
b. false
The African swine fever virus causes intracytoplasmic
inclusion bodies.
a. False
b. True
b. true
Picorna- and caliciviruses
a. are usually euryxen.
b. are good antigens.
c. are usually less resistant in the environment.
d. have a dsRNA genome
b. are good antigens
- In the Picornavirales order, we can find honeybee
pathogen viruses.
a. True
b. False
a.true
The Crimean-Congo haemorrhagic fever virus is
transmitted by
a. Mosquitoes
b. Ticks
c. Bats
d. Rodents
b. ticks
Parvo- and circoviruses
a. cause infection through skin lesions.
b. have +ssRNA genome.
c. have good resistance to the environment.
d. use viral transcriptase for their multiplication.
c. have good resistance to the environment
Hepadnaviruses have weak resistance in the
environment.
a. True
b. False
a. true
Paramyxoviruses
a. are enveloped.
b. cause slowly progressing infections.
c. cannot be propagated in vitro.
d. can use their genome as mRNA.
a. are enveloped
Some birnaviruses can cause disease in fish.
a. True
b. False
a. true
The Epstein-Barr virus is a retrovirus.
a. True
b. False
b. false
Hepatitis A virus is transmitted by sexual contact
a. True
b. False
a. true