61.Which of the following describes the role of protein as a fuel during  physical activity?

a.Protein is not a major fuel for physical activity.

b.Protein contributes 30% percent less to total fuel used for physical activity than during rest

c.Protein contributes 30% percent more to total fuel used for physical activity than during rest.

d.Body protein is the dominant fuel for resistance activity but not for endurance activity.

62.The body’s use of protein is increased in which of the following situations??

a.when the percent energy from carbohydrates versus fat is increased.

b.whan a bodybuilder’s  degree of training increases over time

c.when sedentary individuals embark on a bodybuilding program

d.when total dietary energy levels are high

63.Which of the following is a characteristic of protein use in physical activity?

a.Protein use in endurance events is less than for strength events.

b.Protein use for energy increases with increased strength training.

c.Protein contributes up to 10 percent of total fuel used during activity, which is similar to the resting state.

d.Protein contributes approximately the same amount to total energy use on high-carbohydrate or high-fat diets.

64.Which of the following is an effect of diet in physical activity?

a.Diets high in fat lead to a fall in amino acid utilization to fuel performance.

b.Diets lacking in carbohydrates lead to increased amino acid utilization to fuel performance.

c.Deficiencies of vitamins have no effect on performance provided that all other nutrients are adequate.

d.Deficiencies of minerals have no effect on performance provided that all other nutrients are adequate.

65.For female endurance athletes, about how much more protein above the RDA is recommended by recognized health organizations?

a.10–20 percent

b.25–35 percent

c.50–75 percent

d.100–150 percent

66.According to several recognized health organizations, about how many grams of protein per day are recommended for a 50 kg, female marathon runner?

a.40–45 g

b.50–64 g

c.60–70 g

d.120–154 g

67.Which of the following describes the dietary recommendations for competitive athletes?

a.The need for protein per kilogram body weight is higher in female athletes than in male athletes.

b.The need for protein is best met by increasing the level to 20–25 percent of total energy content of the diet.

c.The need for protein in weight lifters and marathon runners may be up to 50–100 percent higher than the RDA.

d.The need for protein in most athletes generally could not be met from diets meeting energy requirements but providing only 10 percent of the energy as protein.

68.According to several recognized health organizations, about how many grams of protein per day are recommended for a 70 –kg, male, strength athlete?

a.56 g

b.112 g

c.140 g

d.168 g

69.Your friend Bob, who engages in endurance exercise throughout the week, is concerned that his protein intake is inadequate and asks what type of protein supplement he should take. Which of the following should be your response?

a.All high-quality protein drinks are equivalent despite the price differences.

b.The extra protein he needs should be high-quality lean sources of poultry and fish.

c.He most likely already gets more protein from his regular diet than he needs, even for endurance activity.

d.No sports authority organizations recommend protein intakes greater than the RDA for endurance athletes.

70.Which of the following is recommended for people who engage in regular high-intensity physical activity?

a.Vitamin E supplements should be taken to protect against exercise-induced oxidative stress.

b.Vitamin E supplements should be avoided as they have no effect against exercise-induced oxidative stress

c.Since some studies find that vitamin E supplements increase oxidative stress, low vitamin E intake is advised.

d.Since research on vitamin E supplements and oxidative stress is conflicting, food but not supplemental vitamin E sources are recommended.