WorksheetsClinical Virology
Total questions: 15
Worksheet time: 8mins
Which of the following is appropriate for the viruses that are obligate intracellular parasites?
Do not possess active protein synthesizing apparatus.
Replicate outside the host cell.
Metabolically active outside the host
Possess active protein synthesizing apparatus
Unique replication apparatus
Virus types are very specific, and each has a limited number of hosts it can infect. What would be the best choice for the above statement?
Antigenic shift
Host interaction
Viral hepatocytes
Viral tropism
Viral infection
The protein coat of viruses that encloses the genetic material is referred to as:
Capsid
Capsomers
Naked
Peplomers
Viroid
Which of the following viruse is sensitive to heat, drying, pH, detergents, and lipid solvents such as alcohol?
Adenovirus
Papillomavirus
HCV
Rhinovirus
HAV
The glycoprotein of the influenza virus plays a crucial role in the early stage of virus infection. Which one of the following is associated with infection?
Glycan
Hemagglutinin
Mucin
N-linked glucan
S protein
Which of the following statements is best for a positive-strand RNA virus?
It must first be converted to an mRNA before it can be translated
It can be used directly to translate viral proteins.
It will be degraded by host enzymes
It is not recognized by host ribosomes
Must generate mRNAs for protein synthesis
Which of the following gives the virus symmetry?
arrangement of amino acid
arrangement of capsomers
arrangement of capsid
arrangement of glycan
arrangement of ribosomes
Hepatitis delta virus only occurs in patients who also have either acute or chronic infection with hepatitis B virus. What would be the best choice for the Hepatitis delta virus?
Defective RNA virus
Hepatitis B mutant
Incomplete hepatitis B virion
Pseudovirion
Related to hepatitis A virus
Infectious particles are composed solely of protein and no detectable nucleic acid. What would be appropriate according to the statement?
Celiac Disease
Creutzfeldt-Jacob Disease
Hemolytic Anemia
Hepatitis Delta Virus
Plant diseases
Which of the following infectious agents do not have nucleic acid?
Naked
Prions
Provirus
Viroids
Viruses
The positive RNA genome is not translated but is converted into DNA, which then acts as a template for the production of mRNA. Which virus is most likely to be represented?
Adenovirus
Picornavirus
Papillomavirus
Retrovirus
Rhinovirus
Which one of the following is appropriate regarding the infectious circular RNA particles without the protein coat?
Virion
Viroid
Virusoid
Prion
HDV
Which of the following statements are appropriate regarding antigenic drift?
It results in major antigenic changes
It is exhibited by only influenza A viruses
It is due to genetic variation
It affects predominantly the matrix protein
It results in new subtypes over time
Which of the following swabs inhibits the replication of some viruses and can interfere with nucleic acid amplification tests?
Dacron
Dacron rayon
Calcium
Calcium alginate
Rayon
For virus identification, specimens should never be stored at −20° C. Which one of the following statements is true?
Formation of ice crystals that will disrupt host cells and loss of viral viability
Formation of ice crystals that will disrupt the RBC and result in hemolysin
Formation of ice crystals that will disturb host cells protein
Formation of ice crystals that will rupture host red blood cells
Formation of ice crystals that will rupture host cells protein
