What is one of the most important lifestyle choices that one can make with regard to cancer?
a. Take supplements of vitamin E.
b. Take supplements of vitamin D.
c. Participate in regular screening.
d. Participate in genetic testing.
c
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Adequate ____ helps athletes maintain optimal performance, but its status in an individual can be low due to the use of sunscreen
A) vitamin A B) vitamin B12 C) vitamin C D) vitamin D
Which of the following statements is true about iron?
A. An iron-deficient individual absorbs less iron than a person with good iron status. B. Approximately 65% of dietary iron is absorbed. C. Excess dietary iron is excreted readily via the kidneys. D. Iron deficiency anemia is found most commonly among young children, adolescents, and menstruating women.
Why might it be unnecessary for most people to use the glycemic index to monitor carbohydrate intake?
a. Most people are not at risk of blood sugar abnormalities b. Low-glycemic index foods tend to aggravate hypoglycemia in susceptible individuals c. Most people exceed their requirements for protein, which limits the effectiveness of the glycemic index d. Current dietary guidelines already include many choices that are low- and moderate-glycemic index foods
A food that provides 100 mg of magnesium and 25 kcal in a serving has a magnesium density (mg per kcal) of
a. 0.4 b. 4 c. 250 d. 2500