1. Some studies show that antioxidants may help prevent heart disease, some cancers, cataracts, and other health problems that are more common as people get older.
True
False

2. A cancer prevention trial suggests that dietary supplements of the trace element selenium may significantly lower the incidence of prostate, colorectal, and lung cancers in people with a history of skin cancer.
True
False

3. Vitamins are organic compounds that you don’t really need to maintain normal body functions.
True
False

4. Minerals are sources of elements that also are necessary for the maintenance of normal body functions.
True
False

5. Some of the major elements that occur naturally in foods are calcium, iron, phosphorus, magnesium, potassium, and sodium.
True
False

6. In nutritional supplements, minerals are not available as single elements, but rather are available as compounds such as calcium carbonate or ferrous sulfate.
True
False

7. Regular exercise and a healthy diet with enough calcium helps teens and young adult white and Asian women maintain good bone health, and may reduce their high risk of osteoporosis later in life.
True
False

8. Diets low in saturated fat and cholesterol and rich in fruits, vegetables, and grain products that contain some types of dietary fiber, particularly soluble fiber, may reduce the risk of heart disease, a disease associated with many factors.
True
False

9. Low fat diets rich in fruits and vegetables (foods that are low in fat and may contain dietary fiber, Vitamin A, or Vitamin C) may reduce the risk of some types of cancer, a disease associated with many factors.
True
False

10. Broccoli is high in vitamin A and C, but is a poor source of dietary fiber.
True
False

11. Healthful diets with adequate folate may reduce a woman's risk of having a child with a brain or spinal cord defect.
True
False

12. Low calcium intake is one risk factor for osteoporosis, a condition of lowered bone mass, or density.
True
False

13. Calcium can be found in low-fat and skim milks, yogurts, tofu, calcium-fortified citrus drinks, and some calcium supplements.
True
False

14. Claims for products with more than 400 mg of calcium per day must state that a daily intake over 2,000 mg offers no added known benefit to bone health.
True
False

15. Guidelines recommend daily sodium intakes of not more than 2,000 mg.
True
False

16. Diets high in fat increase the risk of some types of cancer, such as cancers of the breast, colon and prostate.
True
False

17. Experts recommend that Americans consume 30 percent or less of daily calories as fat.
True
False

18. Guidelines recommend that American diets contain less than 10 percent of calories from saturated fat and less than 300 mg of cholesterol daily.
True
False

19. Women of childbearing age should consume 0.4 mg (400 mcg) of folic acid daily to reduce their risk of having a baby affected with spina bifida or other neural tube defects.
True
False

20. When included in a diet low in saturated fat and cholesterol, soluble fiber may affect blood lipid levels, such as cholesterol, and thus lower the risk of heart disease.
True
False

21. Two sources of soluble fiber are whole oats and psyllium seed husk.
True
False

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