Alan Is a 30-Year-Old Man Who Has Recently Lost 30

question 56

Multiple Choice

Alan is a 30-year-old man who has recently lost 30 pounds. He lost the excess weight by watching his diet and working out. He would like to lose the last ten pounds he gained through his 20s, most of which is in his abdominal area. Recently, he has become frustrated because his weight loss has slowed down. He has seen advertisements on the Internet and in several fitness magazines for a weight-loss supplement called Acai Berry Plus. The product ads state that the powerful antioxidants in the supplement will melt away abdominal fat and remove waste from the body while he sleeps. Alan is tempted to purchase the product in an attempt to quickly lose the last ten pounds. However, before he decides to purchase the Acai Berry Plus supplement, he learns that there are ingredients in the product he is unfamiliar with. The ingredients list declares the product contains ephedra, ginseng, coenzyme Q10, acai berry extract, chromium, potassium, caffeine, and wheat.
Which ingredient in the supplement has been found to be unsafe or ineffective according to human studies with various herbal remedies?

• A) acai berry extract
• B) ephedra
• C) coenzyme Q10
• D) caffeine
• E) chromium

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Definitions:

Constant Marginal

Pertains to a situation where the additional cost or benefit of producing one more unit of a good or service remains unchanged.

Average Cost

The sum of all production expenses divided by the amount of product made.

Marginal Revenue

The surplus revenue collected from the sale of an extra unit of a good or service.

Demand Schedule

A table that lists the quantity of a good that consumers are willing and able to purchase at various prices over a specified period of time.