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WorksheetsVirology Review Test
Total questions: 60
Worksheet time: 45mins
Who theorized that epidemic diseases were disseminated by minute particles carried over long distances?
Hippocrates
Fracastoro
Davaine
Pasteur
Who discovered myxoma virus?
Sanarelli
Loffler and Frosch
Beijerinck and Ivanovski
Reed and Carroll
Who discovered African horse sickness?
M'Fadyean and Theiler
Jenner
Sanarelli
Rous
Who discovered hog cholera virus?
Cetanni, Lode, Gruber
Remlinger and Riffat-Bay
DeSchweinitz and Dorset
Ellerman and Bang
Who developed the yellow fever vaccine?
Reed and Carroll
Arnold Theiler
Max Theiler
Sigurdsson
Who discovered canine parvovirus (CPV)?
Salk and Sabin
Montagnier et al.
Carmichael et al.
Pedersen et al.
Who discovered immunodefiency virus?
Olafson et al.
Montagnier et al.
British Veterinary Virology
Pederson et al.
Who first isolated the influenza virus after the pandemic between 1918 to 1919?
Shope
Andrews, Laidlaw, Smith. Burnet
Ellerman and Bang
Landsteiner and Popper
The difference between viroids and prions is that prions consists an infectious protein with a nucleic acid; viroids do not.
True
False
Viruses are considered as microorganisms.
True
False
Bacteria can grow in nonliving media.
True
False
Like bacteria, viruses reproduce through binary fission.
True
False
Bacteria and mycoplasmas do not possess infectious nucleic acid.
True
False
Like bacteria, mycoplasmas do not have metabolic processes.
True
False
Who discovered the nature or prions, the etiologic agents of bovine spongiform encephalopathy, scrapie and similar diseases?
British Veterinary Virology
Prusiner
Salk and Sabin
Koch
The following are examples of naked viruses EXCEPT?
infectious bursa disease (IDBV)
fowl pox virus (FPV)
foot and mouth disease (FMDV)
porcine parvovirus (PPV)
the following are enveloped viruses EXCEPT?
new castle disease (NCDV)
infectious laryngotracheitis (ILTV)
hog cholera virus (HCV)
avian encephalomyelitis (AEV)
The structural units on the faces and edges of adenovirus virions, for example, bond to six neighboring capsomeres are refered to as?
prions
hexons
helical
virions
The following viruses have GLYCOPROTEINS as enveloped associated proteins EXCEPT?
Orthomyxoviruses
paramyxoviruses
retroviruses
bunyaviruses
Which virus have diploid copies of nucleic acids?
reoviruses
birnaviruses
parvoviruses
retroviruses
Which viruses is considered monopartite (non-segmented)?
orthomyxoviruses
reoviruses
parvoviruses
bunyaviruses
A ss genomic RNA polarity that genomic nucleotide sequence is complimentary to that of the mRNA
positive sense RNA
negative sense RNA
neutral sense RNA
NOTA
The following viruses have ds, linear nature EXCEPT?
poxviridae
iridoviridae
papoviridae
herpesviridae
The following viruses have icosahedral symmetry EXCEPT?
Paramyxoviridae
bornaviridae
arteriviridae
iridoviridae
Which among these viruses is the largest (in size)?
Asfarviridae
Adenoviridae
Parvoviridae
Papooviridae
In general, viruses are more sensitive than bacteria or fungi to inactivation by physical and chemical agents.
True
False
How many Celcius is the half life of viruses in hours?
60
37
20
4
What are the 3 major virus groups that was discovered in 1950?
Hepa, Myxo, Pox
Hepers, Myxo, Papo
Herpes, Myxo, Pox
Hepa, Myxo, Parvo
These are viruses that causes tumor formation
Enteric viruses
Respiratory viruses
Arthropof borne viruses
Oncogenic viruses
The following are enteric viruses EXCEPT?
orthomyxo
calici
reo
corona
The viral ligand is used in what stage of virus replication?
penetration and uncoating
attachment
virus release
protein synthesis
which protein synthesis uses DdRp to produce mRNA?
ds DNA nuclear replication
ds DNA cytplasmic replication
ss DNA nuclear replication
ds RNA cytplasmic replication
Which viruses are examples of ds DNA nuclear replication?
Herpes, Adeno, Parvo
Pox, Asfar, Irido
Parvo, Circo
Herpes, Adeno, Papo
The cell receptor of virus have no normal physiologic function.
True
False
Which organelles are part of budding from cellular membranes during assembly and release of virus?
ER
Golgi
Plasma and nuclear membrane
AOTA
It is generally assumed that a plaque is the result of the infection of a cell by single virion.
True
False
If a virus produced in the plaque is genetically identical, it is refered to as an isolate rather than a strain.
True
False
Plaques cannot be formed by phages in lawns of bacterial growth.
True
False
Which type of microscopy is useful in detecting virus-infected cells, for example, by observing cythopathic effects?
electron microscopy
light microscopy
confocal microscopy
X-ray crystallography
Which type of microscopy is used with live cells and can be applied to investigations of protein trafficking with the virus or cell protein under investigation carrying a suitable label?
electron microscopy
light microscopy
confocal microscopy
x-ray crystallography
What refers to the capacity of a virus to replicate?
virulence
infectivity
incubation
NOTA
The following components are detected in a virus detection EXCEPT?
virions
antigens
nucleic acids
NOTA
This is used to detect genetic material from the virus.
x-ray crystallography
confocal microscopy
polymerase chain reaction
animal cell culture
These are types of viral infections that has no productions and release of new virions but host cell manifest changes of a profound nature, leading to cell death or cell transformation
cytocidal
productive
nonproductive
NOTA
Canine distemper virus in brain is what type of infection?
cytocidal
productive
nonproductive
transformation
Hemadsorption is the ability to absorb erythrocytes in monolayer cultures.
True
False
Cytocidal viruses often cause infection, in which infected cells produce and release virions but overall cellular metabolism is little affected.
True
False
What virus has intranuclear inclusion bodies?
poxvirus
reovirus
parvovirus
rabies virus
Viruses that mature at the basolateral surface are free to proceed to other sites in the body, sometimes bloodstream and establish systematic infection.
True
False
Cells dying by necrosis exhibit chromatin condensation and margination and eventually break up into membrane-bound bodies that contain dense cytoplasmic and nuclear debris.
True
False
In other cases, viruses induce apoptosis indirectly through their effects on cellular processes.
True
False
What is usually the mechanism of action (MOA) of interferons?
inhibits protein synthesis
inhibits nucleic acid release
AOTA
NOTA
Viral interference is said to occur when a virus-infected cell cannot resist superinfection with the same or different virus.
True
False
Which route of entry is the most common portal of viral entry into the body?
respiratory tract
oropharynx and intestinal tract
skin
urogenital tract
The blood is the most effective and rapid vehicle for the spread of virus through the body. A higher concentration of virus that leads to the establishment of infection is called?
diapedesis
primary veremia
monocytosis
secondary veremia
which part/system is invaded secondarily via the bloodstream, producing erythema?
respiratory tract
intestinal tract
skin
lymphoreticular
Infectious bovine rhinotracheitis virus is caused by what virus?
retrovirus
reoviris
flavivirus
herpesvirus
which subfamily of Herpesviridae comprises the herpesviruses that are lymphotrophic; the protoype is human herpesvirus 4 (e.g. Epstein Barr virus)?
Betaherpesvirinae
Alphaherpesvirinae
Gammaherpesvirinae
Unclassified hepersviruses
Pseudorabies causes abortions and respiratory problems. It can infect all domestic animals including fowls.
True
False
Marek's disease is the most common lymphoproliferative diease in chickens (prior to vaccination in 1970), which type of it leads to graying of the iris of one or both eyes?
acute
cutaenous
classical
ocular lymphomatosis
