Answer to Question 1
4 Rationale: Vitamins A, C, and E are antioxidants and are being marketed to athletes to help with muscle stress associated with exercise. However, there is little evidence to show that this actually helps. All of these vitamins (A, C, E) could be used for people who exercise indoors and outside. Vitamin D and calcium intake are important for athletes, but even more important for the athlete that exercises indoors because they have less exposure to sunlight, which is a source of vitamin D. People who do not get enough calcium and vitamin D have weak bones.
Answer to Question 2
C
This woman's total fluid intake for the day is 9 cups, the recommended amount for women. Minimum fluid intake for health is around 4 cups; intake below this would be considered dange-rously low. Fluid intake can be too high, but the specific amount that causes water intoxication is unknown.