An example of someone who may benefit from a vitamin and mineral supplement is:
a. an elderly man who lifts weights.
b. a female vegan gymnast.
c. a high school football player.
d. a mother of preschoolers who runs marathons.
Q. 2The nutrient that provides the major energy source during exercise is:
a. protein.
b. fat.
c. carbohydrate.
d. adenosine triphosphate (ATP).
Q. 3For moderately active persons, the percentage of total kcalorie intake that should be provided by carbohydrate is about:
a. 25 to 40.
b. 35 to 55.
c. 40 to 60.
d. 45 to 65.
Q. 4During the 3-day period before competing in an athletic event, the amount of carbohydrate in an athlete's diet should be:
a. low.
b. moderate.
c. high.
d. consistent.
Q. 5Some fat should be included in the diet to:
a. supply linoleic and alpha-linolenic acids.
b. supply sufficient energy for all activities.
c. provide cholesterol for endogenous needs.
d. provide for adequate glycogen stores.
Q. 6Fatty acids are mobilized for energy by:
a. growth hormone.
b. hormone-sensitive lipase.
c. insulin.
d. gastric lipase.
Q. 7An important function of water in exercise physiology is to:
a. neutralize waste products.
b. provide sodium for the extracellular fluid.
c. lubricate the joints.
d. transport heat from the body.
Q. 8The percentage of a man's body weight that is composed of essential body fat is:
a. 3 to 5.
b. 6 to 8.
c. 10 to 12.
d. 15 to 18.
Q. 9The percentage of daily kilocalorie (kcalorie or kcal) intake that should be provided by dietary protein is about:
a. 5 to 10.
b. 10 to 35.
c. 20 to 30.
d. 20 to 50.