In This Heterogeneous Assay,one of the Reaction Components Is Attached

question 17

Multiple Choice

In this heterogeneous assay,one of the reaction components is attached to the surface of a solid phase.An aliquot of patient sample containing the analyte of interest is added,a wash step occurs,and an enzyme-labeled antibody different from the bound antibody is added followed by the substrate.This type of assay is called:

• A) enzyme-linked immunosorbent assay (ELISA).
• B) reflectance immunoassay.
• C) enzyme-multiplied immunoassay technique (EMIT).
• D) fluorescence polarization immunoassay (FPIA).

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