In the Laboratory Analysis for Amphetamine Using Antigen and Antibody

question 9

Multiple Choice

In the laboratory analysis for amphetamine using antigen and antibody interactions as the basis for measurement, there is concern of cross-reactivity with the over-the-counter drug pseudoephedrine.What is the basis for this concern?

• A)Pseudoephedrine may have a similar antigenic determinant site as amphetamine, since their chemical structures have some similarity.
• B)Pseudoephedrine may block the weak, noncovalent forces that operate between antigen and antibody.
• C)Pseudoephedrine may react with amphetamine to produce a product that is not recognized by the antibody.
• D)Pseudoephedrine and amphetamine will not fit into the antibody-binding site at the same time.

---

Definitions:

Culture

Culture encompasses the beliefs, norms, values, and practices shared by a group of people, shaping their behavior and perceptions.

Ethos

The characteristic spirit of a culture, era, or community as manifested in its beliefs and aspirations; in rhetoric, the ethical appeal or credibility of the speaker.

Aesthetic Principles

The standards that guide judgments about what is considered beautiful, pleasing, or artful.

Crescive Norms

Unwritten, societal rules that are discovered through interaction rather than being formally taught.