In an Immunodiffusion Test to Diagnose Histoplasmosis, a Patient's Serum

question 1

Multiple Choice

In an immunodiffusion test to diagnose histoplasmosis, a patient's serum is placed in a well in an agar plate. In a positive test, a line forms as the serum diffuses from the well and meets material diffusing from a second well. What type of test is this?

• A) an ELISA test
• B) an agglutination reaction
• C) a complement- fixation test
• D) a direct test
• E) a precipitation reaction

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Definitions:

Opportunity Cost

The cost of forgoing the next best alternative when making a decision, representing the benefits one could have received by taking a different action.

Variable Cost

Costs that directly correspond with the degree of production or output levels.

Period Costs

Costs that are not directly tied to production and are expensed in the period in which they are incurred, such as selling, general, and administrative expenses.

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The process of producing statements that disclose an organization's financial status to management, investors, and the government, including balance sheets, income statements, and cash flow statements.