Which of the following represents current knowledge of the role of vitamin and mineral supplements in physical performance?
a. When taken right before an event, they have been shown to benefit performance.
b. Moderate amounts have been shown to improve the performance of most elite athletes.
c. They may be beneficial for athletes who struggle to meet their energy requirements.
d. Except perhaps for iron, they are needed in high amounts to meet the needs of athletes exposed to hot and humid weather conditions.
e. While helpful for elite athletes, there is little evidence to support their use in the average, recreational athlete.
Question 2
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 is significant in anaerobic strength training.
c. Protein contributes up to 10 of total fuel used, 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.
e. People who consume diets adequate in energy and rich in carbohydrate use more protein in exercise.
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