A patient has been hospitalized with provisional diagnosis of virus B hepatitis. Serological reaction based on complementation of antigen with antibody chemically bound to peroxidase or alkaline phosphatase was used for disease diagnostics. What is the name of the applied serological reaction?

Answer options

1. Bordet-Gengou test
2. Radioimmunoassay
3. Immunofluorescence test
4. Antigen-binding assay
5. Immune-enzyme analysis

Explanation

Enzyme-linked immunosorbent assay (ELISA), also known as an enzyme immunoassay (EIA), is a biochemical technique used in immunology to detect the presence of an antibody or an antigen in a sample.it uses the enzyme peroxidase or alkaline phosphatase.Warning:If you cannot find "Enzyme-linked immunosorbent assay" in the options and there is "Immune-enzyme analysis" in the stylish options, you can choose "Immune-enzyme analysis" or vice versa.