Which Test Uses Radioactive Isotopes to Label Antibodies or Antigens

question 46

Multiple Choice

Which test uses radioactive isotopes to label antibodies or antigens in order to detect minute amounts of corresponding antigen or antibody?

• A)Ouchterlony double diffusion
• B)Western Blot
• C)immunelectrophoresis
• D)radioimmunoassay (RIA)
• E)the Quellung test

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Definitions:

Financial Data

Quantitative information related to a company's financial performance, including income, expenses, assets, liabilities, and equity.

Return On Total Assets

A financial ratio indicating the profitability of a company relative to its total assets, showing how effectively a company is using its assets to generate profits.

After-Tax Effect

The impact of transactions on a company's net income after accounting for taxes, reflecting the true financial outcome.

Interest Expense

Interest expense is the cost incurred by an entity for borrowed funds, reflected in the income statement as a financial charge.