A Donath-Landsteiner Test Is Performed to Determine the Presence of Antibodies

question 45

Multiple Choice

A Donath-Landsteiner test is performed to determine the presence of antibodies with biphasic activity. The results show no hemolysis in the control sample and hemolysis in the test sample. These test results should be reported as:

• A) Positive
• B) Negative
• C) Inconclusive
• D) Borderline
• E) None of the above

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Definitions:

Fixed Overhead

Costs that remain constant for a specific period regardless of the level of production or business activity.

Work in Process

Inventory that includes all materials, labor, and overhead costs for products that are in the production process but not yet completed.

Direct Labor

The wages and related expenses for workers who are directly involved in the production of goods or services.

Raw Material

Basic materials used in the manufacturing process to produce finished goods.