1. Zinc has been known for more than 50 years to be an essential vitamin.
True
False

2. Zinc is found in almost every cell in the body.
True
False

3. Zinc is contained within more than 200 enzymes, substances needed for biochemical reactions.
True
False

4. Zinc is not important for healing cuts and wounds, or for maintaining your sense of taste and smell.
True
False

5. Meat and poultry are good sources of zinc.
True
False

6. Beans, nuts, and dairy products are sources of zinc.
True
False

7. Oysters are the food containing the most zinc by weight.
True
False

8. Dietary phytates, which are found in whole grain cereals and unleavened bread, may significantly decrease the body's absorption of zinc.
True
False

9. Zinc deficiency can occur when zinc intake is inadequate, when there are increased losses of zinc from the body, or when the body's requirement for zinc increases.
True
False

10. There is no specific deficiency disease associated with zinc.
True
False

11. Signs of zinc deficiency can include poor appetite, weight loss, delayed healing of wounds, taste abnormalities, and mental lethargy.
True
False

12. People who may benefit from a zinc supplement include those who do not consume enough calories, vegetarians, the elderly, pregnant and lactating women, and people who suffer from alcoholism or digestive diseases that cause diarrhea.
True
False

13. Dietary surveys suggest that many Americans aged 51 and older, pregnant women and breastfeeding mothers do not consume recommended amounts of zinc.
True
False

14. Zinc supplementation has been found to improve the growth rate in children with mild zinc deficiency and mild to moderate growth failure.
True
False

15. Diarrhea does not cause a loss of zinc.
True
False

16. Zinc deficiency is frequently associated with alcoholism, which is often due to a lower intake of food.
True
False

17. The health risk of taking too much zinc is moderate to high.
True
False

18. According to experts, "chronic ingestion of zinc supplements exceeding 15 mg/day is not recommended without adequate medical supervision."
True
False

19. For men over the age of 19, the RDA for zinc 15 mg.
True
False

20. For non-pregnant and non-lactating women over the age of 19, the RDA for zinc is 12 mg.
True
False

21. Intakes of 150 to 450 mg of zinc per day have been associated with low copper status, altered iron function, reduced immune function, and reduced levels of high-density lipoproteins (the good cholesterol).
True
False

22. Six medium oysters contain about 76.4 mgs of zinc, or about 510 percent of the daily value (DV).
True
False

23. DVs are reference numbers based on the Recommended Dietary Allowance (RDA).
True
False

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