Which of the Following Statements Is True

question 60

Multiple Choice

Which of the following statements is true?

• A) Secondhand tobacco smoke increases the risk of heart disease.
• B) Postmenopausal estrogen replacement decreases the risk of heart disease.
• C) High HDL cholesterol levels increase the risk of heart disease.
• D) High levels of homocysteine decrease the risk of heart disease.

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Definitions:

Marginal Cost

The expense incurred in manufacturing an extra unit of a product or service.

Economic Profits

The difference between total revenue and total costs, including both explicit and implicit costs, indicating excess over the opportunity cost.

Minimum Average Total Cost

The lowest point on the curve that shows the average cost of producing each unit of output when all input costs are considered over various output levels.

Marginal Cost

The cost added by producing one additional unit of a product or service.