Vignette #1 John Is 35 and Interested in Gaining Muscle

question 31

Multiple Choice

Vignette #1 John is 35 and interested in gaining muscle mass and decides to check out the nutritional supplements at the local health food store. The clerk approaches him wearing a white lab coat; this immediately impresses John, who now thinks that the clerk is well informed. John explains that his goal is to gain the maximum muscle mass in the shortest time. The clerk is eager to assist John and says, "Let me show you the products that will benefit you most." Let's see if the clerk really knows what ergogenic aids are all about by answering these questions.
Which of the following is an example of a resistance training activity that John could do?

• A) Yoga
• B) Swimming
• C) Power walking
• D) Lifting free weights
• E) Ballistic stretching

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Definitions:

Income Elasticity

A measure of how much the quantity demanded of a good responds to a change in consumers' income, holding all other factors constant.

Expenditures Decline

A situation where there is a reduction in spending by individuals, businesses, or governments.

Elastic Demand

A condition where the demand for a product is significantly responsive to changes in its price.

Inelastic Demand

Describes a situation in which the demand for a product does not significantly change with a change in price.