Virology Quiz: Structural Investigations and Detection Methods
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Questions and Answers

What are Negri bodies composed of?

  • Poxvirus DNA and protein
  • Rabies virus proteins and RNA (correct)
  • Adenovirus DNA and protein
  • Cytomegalovirus DNA and protein

What is the appearance of Guarnieri bodies of Poxvirus?

  • Dense, central intranuclear inclusions
  • Sharply delineated, oval eosinophilic inclusions
  • Characteristic Owl’s eye intranuclear bodies
  • Pink blobs in the cytoplasm of affected epithelial cells (correct)

What is the characteristic feature of Nuclear bodies of adenovirus?

  • Characteristic Owl’s eye intranuclear bodies
  • Dense, central intranuclear inclusions (correct)
  • Oval eosinophilic inclusions
  • Pink blobs in the cytoplasm of affected epithelial cells

What is the characteristic feature of Nuclear and cytoplasmic bodies of cytomegalovirus?

<p>Characteristic Owl’s eye intranuclear bodies (B)</p> Signup and view all the answers

In which type of cells are Negri bodies typically found?

<p>Neurons (B)</p> Signup and view all the answers

What is the purpose of fluorescence microscopy in detecting viral infections?

<p>To detect a fluorescent dye linked to antibody molecules (C)</p> Signup and view all the answers

What is the term for the formation of giant cells with multiple nuclei due to cell fusion?

<p>Syncytium formation (B)</p> Signup and view all the answers

Which of the following is an example of cytopathic effect caused by poliovirus?

<p>Cell death (B)</p> Signup and view all the answers

What is the term for the process by which viruses alter the growth characteristics of infected cells?

<p>Cell transformation (B)</p> Signup and view all the answers

What is the main purpose of electron microscopy in virology?

<p>To study the morphology of virions (B)</p> Signup and view all the answers

What is the term for the nuclear or cytoplasmic aggregates of virus particles due to viral replication?

<p>Inclusion bodies (D)</p> Signup and view all the answers

What is a characteristic of viruses?

<p>They are obligate intracellular parasites. (D)</p> Signup and view all the answers

What is the purpose of phage typing of bacteria?

<p>To determine bacterial strains. (B)</p> Signup and view all the answers

What is the purpose of Viral Transport Medium (VTM)?

<p>To preserve viral infectivity and prevent specimen drying. (A)</p> Signup and view all the answers

What is the method of virus cultivation using cells that can divide indefinitely?

<p>Tissue culture using continuous cell line (Hela cell). (C)</p> Signup and view all the answers

What is the name of the method used to identify and quantify viruses?

<p>Plaque assay. (C)</p> Signup and view all the answers

What is the term for the viral particles that infect bacteria?

<p>Bacteriophage. (D)</p> Signup and view all the answers

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