Question

The __________ method of serology involves mixing a patient sample with a reagent containing an enzyme-labeled antibody against the antigen, then adding a chemical that produces a colored substance that shows a visual representation of the quantity of antigen?

1) Levy-Jennings
2) Refractometry
3) Spectrophotometry
4) ELISA

Answer 1

Enzyme-linked immunosorbent assay (ELISA) is the method of serology described in the question. It involves mixing a patient sample with an enzyme-labeled antibody against the antigen and adding a chemical that produces a colored substance, indicating the presence of the antigen.

Step-by-step explanation:

The method of serology described in the question is called Enzyme-linked immunosorbent assay (ELISA). ELISA involves mixing a patient sample with an enzyme-labeled antibody against the antigen. Then, a chemical is added that produces a colored substance, indicating the presence of the antigen.