1. Select an immunoassay technique, used to screen urine for drugs of abuse, to conduct some research on. Using your research and this module’s content:
a) Briefly describe the immunoassay technique you chose. Be sure to include the terms antibody, antigen, label, heterogeneous and/or homogenous, competitive and/or non-competitive, and polyclonal and/or monoclonal antibodies in your description.
b) Include at least three (3) drugs of abuse commonly screened for using the technique you chose.
c) Discuss the screening cutoff levels that are commonly used by labs when testing urine specimens containing those drugs.
2. Discuss cross-reactivity to include:
a) A general definition and the underlying reason for cross-reactivity.
b) How cross reactivity might be beneficial and how it might be detrimental to a forensic toxicology laboratory.
c) An example of a class of drugs that exhibit cross-reactivity other than what’s included in the reading.