Nicotinic acid (niacin) is effective through which action?
a. Inhibiting the enzyme needed for cholesterol syntheses
b. Binding with bile acids in the intestine, which reduces the total body cholesterol
c. Inhibiting the mobilization of free fatty acids from the peripheral tissues
d. Inhibiting intestinal absorption of both dietary and biliary cholesterol, blocking its
transport in the small intestine
c. Inhibiting the mobilization of free fatty acids from the peripheral tissues
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Which of the following is not a justification for the popularity of intercollegiate athletics?
A. Intercollegiate athletics reflect societal attitudes, beliefs, and values about sport. B. Beneficial outcomes, such as college spirit and release of tension, exceed the problems. C. They are beneficial for public relations. D. They provide educational opportunities for some who otherwise could not afford to attend college. E. All of the above have been used to justify intercollegiate athletics.
Which one of the following statements about pedestrians and injury is FALSE?
A. As much as half of all pedestrian deaths involves alcohol intoxication. B. Wearing stereo headphones while jogging increases the likelihood of being injured. C. Most pedestrian injuries involve the very young or elderly. D. Walking with traffic reduces the risk of pedestrian injury.
Regular exercise increases the strength of
a. bones. b. ligaments. c. muscles. d. tendons. e. all of the answers are correct
Power is defined as
A. the ability to perform work. B. work divided by the amount of time required to perform the work. C. the product of force times distance (force × distance). D. the product of work times force (Work × force).