A Peritoneal Fluid with a Positive CEA and a Negative

question 3

Multiple Choice

A peritoneal fluid with a positive CEA and a negative CA 125 (cancer antigen) indicates:

• A) Gastrointestinal malignancy
• B) Ovarian malignancy
• C) Tubercular peritonitis
• D) Gastrointestinal perforation

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Definitions:

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums, remaining constant regardless of activity levels.

Break-Even Point

The juncture where the cumulative expenses equal total income, yielding neither a profit nor a loss.

Contribution Margin

The amount by which sales revenue exceeds variable costs of production, indicating how much revenue contributes towards covering fixed costs and generating profit.

Break-Even Sales

The amount of revenue from sales that equals the sum of the fixed and variable costs of production, resulting in zero net profit or loss.