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 has been used for disease diagnostics. Name this serological reaction:

Answer options

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

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.