What Approach Is Appropriate for Interpreting the Prostate-Specific Antigen (PSA)level

question 85

Multiple Choice

What approach is appropriate for interpreting the prostate-specific antigen (PSA) level as a diagnostic factor for prostate cancer?

• A)A PSA level higher than 4.0 ng/mL indicates prostate cancer.
• B)A PSA level lower than 4.0 ng/mL indicates prostate cancer.
• C)A fluctuating PSA level indicates prostate cancer.
• D)An abnormal PSA level alone is not enough to diagnose prostate cancer.

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Definitions:

Daily Profit

The financial gain or loss a business makes in a single day, calculated by subtracting total daily expenses from total daily revenue.

Marginal Revenue

The extra revenue generated by the sale of an additional unit of a product or service.

Profit-maximizing

The process or strategy by which a firm determines the price and output level that returns the greatest profit.

Ethanol

A renewable fuel made from various plant materials, which can be used as an alternative to gasoline.