mock Flashcards
Corona- and arteriviruses
a. are transmitted by insect vectors.
b. may infect fish.
c. cause intranuclear inclusion bodies.
d. cause notifiable diseases.
d. cause notifiable diseases.
Filoviruses have helical capsid.
a. false
b. true
true
Retroviruses
a. cause cell-associated infections.
b. are extremely resistant in the environment.
c. infect only mammals.
d. are mostly zoonotic.
a. cause cell-associated infections.
The yellow fever virus is classified into the Togaviridae family.
a. true
b. false
false
The bornavirus genome is ambisense.
a. false
b. true
false
Picorna- and caliciviruses
a. have a dsRNA genome.
b. are usually euryxen.
c. are usually less resistant in the environment.
d. are good antigens.
d. are good antigens.
Hepadnaviruses have weak resistance in the environment.
a. true
b. false
true
Which statement is true?
a. Viroids consist only of proteins.
b. Mad cow syndrome is a notifiable disease.
c. All bacteriophages have binal symmetry.
d. Prions cause rash and fever.
b. Mad cow syndrome is a notifiable disease.
The genome of astroviruses is ambisense.
a. true
b. false
false
The Epstein-Barr virus is a retrovirus.
a. false
b. true
false
The rabies virus
a. is a weak antigen.
b. is an arbovirus.
c. cause strong CPE in cell culture.
d. does not cause viraemia.
d. does not cause viraemia.
Avulaviruses cause disease in birds.
a. false
b. true
true
The canine adenovirus type 1 causes encephalitis in fox.
a. true
b. false
true
Paramyxoviruses
a. cause slowly progressing infections.
b. can use their genome as mRNA.
c. are enveloped.
d. cannot be propagated in vitro.
c. are enveloped.
The parrot proventricular dilatation disease virus
a. belongs to the Arenaviridae family.
b. belongs to the Bunyavirales order.
c. belongs to the Bornaviridae family.
d. has a segmented genome.
c. belongs to the Bornaviridae family.
The classical swine fever virus is transmitted by ticks.
a. false
b. true
false
Influenza B and C viruses cause disease mainly in human.
a. false
b. true
true
Prions are resistant to heat treatment.
a. true
b. false
true
Some birnaviruses can cause disease in fish.
a. false
b. true
true
Toga- and flaviviruses
a. have -ssRNA genome.
b. have helical capsid.
c. are enveloped.
d. cannot be propagated in cell culture.
c. are enveloped.
Parvo- and circoviruses
a. have +ssRNA genome.
b. use viral transcriptase for their multiplication.
c. cause infection through skin lesions.
d. have good resistance to the environment.
d. have good resistance to the environment.
Autovaccines are used against papillomaviruses.
a. false
b. true
true
Which virus uses reverse transcriptase for its multiplication?
a. Hepatitis A virus.
b. Hepatitis E virus.
c. Hepatitis B virus.
d. Hepatitis C virus.
c. Hepatitis B virus.
Arteriviruses cause disease mostly in birds.
a. true
b. false
false
Polyoma- and papillomaviruses
a. may induce tumour formation.
b. have euryxen host range.
c. have ssDNA genome.
d. are enveloped.
a. may induce tumour formation.
The Crimean-Congo haemorrhagic fever virus is transmitted by
a. mosquitoes.
b. rodents.
c. bats.
d. ticks.
d. ticks.
Some reoviruses are transmitted by insect vectors.
a. false
b. true
true
Zoonotic viruses can be found in the
a. Circoviridae family.
b. Birnaviridae family.
c. Polyomaviridae family.
d. Togaviridae family.
d. Togaviridae family.
The turkey herpesvirus induces cross-protection against Marek’s disease.
a. false
b. true
true
In the Picornavirales order, we can find honeybee pathogen viruses.
a. false
b. true
true
Picornaviruses use reverse transcriptase enzyme for their multiplication.
a. false
b. true
false
Reo- and birnaviruses
a. have a segmented genome.
b. have binal symmetry.
c. use cellular transcriptase for the multiplication.
d. are enveloped.
a. have a segmented genome.
The maintaining hosts of the Marburg virus are
a. bats.
b. mosquitoes.
c. African rodent species.
d. ticks.
a. bats.
The arenavirus virion contains ribosomes.
a. true
b. false
a. true
Which statement is false?
a. Ether inactivates the capripoxviruses.
b. Ether inactivates the leporipoxvíruses.
c. Ether inactivates the parapoxviruses.
d. Ether inactivates the suipoxviruses.
d. Ether inactivates the suipoxviruses.
The symmetry of caliciviruses is pleomorphic.
a. true
b. false
false
Polyomaviruses can multiply only in dividing cells.
a. true
b. false
false
The rhabdovirus genome is segmented.
a. true
b. false
false
Does not belong to Simplexvirus genus:
a. Simian herpes (B) virus.
b. Bovine herpesmamillitis virus.
c. Aujeszky’s disease virus.
d. Human genital herpes virus.
c. Aujeszky’s disease virus.
Parvo- and circoviruses cannot be propagated in vitro.
a. true
b. false
false
Hepeviruses
a. cause respiratory infections.
b. are potentially zoonotic.
c. are transmitted by insect vectors.
d. have weak resistance in the environment.
b. are potentially zoonotic.
The African swine fever virus causes intracytoplasmic inclusion bodies.
a. false
b. true
true
Which statement is true?
a. Some orthomyxoviruses are arboviruses.
b. Orthomyxoviruses cause myxomatosis in rabbits.
c. Orthomyxoviruses infect only terrestrial animals.
d. The mutation rate of orthomyxoviruses is very low.
a. Some orthomyxoviruses are arboviruses.
Coronaviruses are sensitive to detergents.
a. false
b. true
true
Adenoviruses
a. cause latent infection.
b. are enveloped.
c. mostly cause respiratory and enteric diseases.
d. cannot be propagated in vitro.
c. mostly cause respiratory and enteric diseases.
Astroviruses
a. are sensitive to low pH.
b. are fish pathogens.
c. may cause disease in human.
d. cause splenomegaly and hepatomegaly in chicken.
c. may cause disease in human.
