71.Which of the following reflects current research regarding vitamin E : 1401716

71.Which of the following reflects current research regarding vitamin E : 1401716.


71.Which of the following reflects current research regarding vitamin E supplementation and physical activity?

a.Vitamin E supplementation protects against exercise-induced oxidative stress.

b.Some studies show that vitamin E protects against exercise-induced oxidative stress whereas others show the opposite.

c.Some studies show that vitamin E supplements protect against oxidative stress only in endurance athletes competing outdoors in air-polluted environments.

d.Some studies show that high-dose vitamin E intake improves oxygen consumption (VO2max) in endurance athletes

72.Which of these nutrients is important in the transport of oxygen in blood and in muscle tissue and in energy transformation reactions?




d.vitamin C

73.Which of the following best represents current knowledge of the role of vitamin and mineral supplements in physical performance?

a.When taken right before an event, vitamin and mineral supplements benefit performance.

b.Moderate amounts of vitamins and mineral supplements improve the performance of most elite athletes.

c.Except perhaps for iron, vitamin and mineral supplements are needed in high amounts to meet the needs of athletes exposed to hot and humid weather conditions.

d.Except perhaps for iron, vitamin and mineral supplements are not recommended.

74.Why should iron supplements NOT be used to treat sports anemia?

a.People who are suffering from sports anemia do not have a deficiency of dietary iron.

b.Sports anemia is most likely the result of folate deficiency.

c.The iron will interfere with creatine phosphate synthesis.

d.The iron will not be absorbed well because of the intense workouts.

75.How does sports anemia differ from iron-deficiency anemia?

a.Sports anemia is associated with normal hemoglobin whereas iron deficiency anemia is associated with low hemoglobin.

b.Sports anemia is not responsive to iron supplements whereas iron deficiency anemia is effectively treated by supplemental iron.

c.Sports anemia is due primarily to blood loss associated with injury whereas iron deficiency anemia is mainly due to dietary insufficiency.

d.Sports anemia is due primarily to increased iron loss via perspiration whereas iron deficiency anemia is due primarily to dietary insufficiency.

76.Which of the following is most commonly the cause of sports anemia?

a.dietary iron-deficiency.

b.decreased red blood cell size.

c.decreased red blood cell number.

d.a temporary adaptive response to training.

77.How do the dietary iron needs of female athletes differ from female non-athletes?

a.Due to the absence of menstruation, n eeds of most female athletes are lower than non-athletes.

b.Due to the demands of activity and small losses in sweat, the needs of female athletes are slightly higher than non-athletes.

c.Due to high losses of iron in sweat, needs  of female athletes  are  2 – 3 times higher than non-athletes.

d.Due to sports anemia, affected female athletes require more iron than non-athletes.

78.Which of these nutrients needs to be replenished first during endurance physical exercise?





79.Which amount of body water loss will produce a noticeable effect on performance?

a.2 percent of body weight

b.5 percent of body weight

c.10 percent of body weight

d.12 percent of body weight

80.What is the minimum amount of body water loss that is likely to cause a person to collapse?

a.2 percent of body weight

b.7 percent of body weight

c.15 percent of body weight

d.25 percent of body weight



71.Which of the following reflects current research regarding vitamin E : 1401716

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