5 Questions
Which method demonstrates the presence of the virus directly in tissues, secretions, or excretions?
Immunofluorescence
What is the principle behind the ELISA technique?
Enzyme-labeled antibody binds to antigen; substrate changes color
Which technique involves the binding of peroxidase-labeled antibody to intracellular antigen, forming a colored precipitate?
Immunoperoxidase staining
What does the complement fixation method rely on?
Antigen-antibody complex binds complement, which is thereafter unavailable for the lysis of hemolysis-sensitized sheep RBC
Which technique involves the visualization of antibody-aggregated virions using electron microscopy?
Immunoelectron microscopy
Test your knowledge of viral diseases laboratory diagnosis with this quiz! Learn about the methods used to diagnose viral infections in animals, including isolation and characterization of the virus, and direct demonstration of virions, viral antigens, or viral nucleic acids.
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