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.

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Definitions:

Costs Flow

The movement and allocation of costs through different stages of production or services within a company.

Finished Goods

Products that have completed the manufacturing process but have not yet been sold to customers.

Conversion Cost

The combined cost of direct labor and manufacturing overheads incurred to convert raw materials into finished goods.

Equivalent Unit

A concept used in cost accounting to denote a partial completion of a product, quantitatively expressed in terms of the full units of output.