The Web Site Nutrition_doctor

question 151

Multiple Choice

The web site nutrition_doctor.org describes the benefits of the natural phytochemical supplements they sell for the prevention of cancer. Which statement best appraises this source of information?

• A) The information is likely trustworthy because promotion of phytochemical-rich vegetables and fruit is well known advice for cancer prevention.
• B) The information is likely not trustworthy because the organization is selling the supplements.
• C) The information is likely trustworthy because it is endorsed by a doctor and promotes a natural product.
• D) The information is likely not trustworthy because only registered dietitians are reliable sources of nutrition information.

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Definitions:

Perfectly Competitive Firm

A company that operates in a market where there are many sellers and buyers, the product is homogeneous, and there is free entry and exit from the market.

MR (Marginal Revenue)

The surplus income obtained by selling an extra unit of a product or service.

MC (Marginal Cost)

The additional cost incurred by producing one more unit of a good or service, critical in determining the optimal level of production.

AVC (Average Variable Cost)

The cost of labor, materials, and other variable expenses divided by the quantity of output produced, excluding fixed costs.