One of the Problems Associated with the Use of Dietary

question 50

Multiple Choice

One of the problems associated with the use of dietary supplements used to enhance athletic performance is ____.

• A)they are difficult to obtain
• B)there is little scientific evidence to prove that they are effective
• C)there are many supplements that are considered to be performance enhancing
• D)advertising for these products is often based on research that the layperson has difficulty understanding

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Definitions:

Sinusoid

Terminal blood vessel having a larger diameter than an ordinary capillary.

Precapillary Sphincter

Smooth muscle sphincter that regulates blood flow through a capillary.

Relaxation

The state of being free from tension and anxiety, or the act of making something less tight.

Sinusoidal Capillaries

Specialized blood vessels with large, irregularly shaped lumens found in the liver, spleen, and bone marrow, facilitating the exchange of materials between blood and tissues.