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1 | | Vitamins contribute to the structure of the body. |
| | A) | True |
| | B) | False |
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2 | | Vitamins are complex inorganic compounds. |
| | A) | True |
| | B) | False |
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3 | | Coenzymes are often vitamins. |
| | A) | True |
| | B) | False |
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4 | | Vitamins are indispensable for body functions and contain energy. |
| | A) | True |
| | B) | False |
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5 | | Excessive intake of vitamins can contribute to obesity. |
| | A) | True |
| | B) | False |
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6 | | Loss of night vision is a symptom of Vitamin E deficiency. |
| | A) | True |
| | B) | False |
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7 | | A sunburn is a sign of Vitamin D overdose. |
| | A) | True |
| | B) | False |
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8 | | Some research suggess that vitamin E may convey some benefits when exercising at altitude. |
| | A) | True |
| | B) | False |
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9 | | Some vitamins act as antioxidants and have been theorized to help in disease prevention. |
| | A) | True |
| | B) | False |
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10 | | Preformed vitamin A is found only in animal products, but plant sources of beta-carotene may provide adequate amounts of Vitamin A. |
| | A) | True |
| | B) | False |
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11 | | Vitamin D is an example of a water-soluble vitamin. |
| | A) | True |
| | B) | False |
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12 | | Vitamin deficiencies among Americans are rare. |
| | A) | True |
| | B) | False |
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13 | | A vitamin deficiency could impair sport performance. |
| | A) | True |
| | B) | False |
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14 | | People on very low calorie diets may need vitamin supplements. |
| | A) | True |
| | B) | False |
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15 | | The adult deficiency of Vitamin D can lead to osteomalacia. |
| | A) | True |
| | B) | False |
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16 | | Smoking, aspirin use and oral contraceptives can increase the need for Vitamin C. |
| | A) | True |
| | B) | False |
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17 | | Impaired fat absorption could affect the absorption of Vitamin D. |
| | A) | True |
| | B) | False |
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18 | | Vitamins C and E can act as antioxidants in the body. |
| | A) | True |
| | B) | False |
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19 | | Megadoses of water-soluble vitamins are perfectly safe. |
| | A) | True |
| | B) | False |
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20 | | Sunblock lotion can prevent Vitamin D formation in the body. |
| | A) | True |
| | B) | False |
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21 | | Thiamin needs are increased with exercise and a high carbohydrate intake. |
| | A) | True |
| | B) | False |
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22 | | Recent research suggests that most Americans do not consume an optimal amount of vitamins by diet alone, and also suggests that it may be prudent for all adults to take vitamin supplements. |
| | A) | True |
| | B) | False |
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23 | | Currently, the Daily Value (DV) for Vitamin C is lower than the RDA for adults. |
| | A) | True |
| | B) | False |
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24 | | Although antioxidant vitamins may provide some health benefits, in general health professionals recommend that natural foods represent the best source. |
| | A) | True |
| | B) | False |
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25 | | In order for vitamin D to function effectively in the body, the vitamin form must be converted by the liver and kidney into the hormone form. his hormone form than works in conjunction with parathyroid hormone to help regulate calcium metabolism. |
| | A) | True |
| | B) | False |
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26 | | Vitamin E is also known as cholecalciferol. The major role of vitamin E in the body is to serve as an antioxidant and help prevent the unwanted peroxidation of cell membranes. In general, vitamin E supplementation has not been shown to enhance exercise performance or prevent cardiovascular disease. |
| | A) | True |
| | B) | False |
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27 | | Riboflavin supplementation may be a useful dietary means to help reduce serum cholesterol levels. |
| | A) | True |
| | B) | False |
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28 | | In general, supplements with individuals vitamins, multivitamin supplements, and vitamin-like substances have not been shown to enhance physical performance in a wide variety of events ranging from strength/power sports to prolonged aerobic endurance events. |
| | A) | True |
| | B) | False |
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29 | | Supplementation with retinol may help prevent neural tube defects and possible spina bifida in women of child-bearing age. |
| | A) | True |
| | B) | False |
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30 | | Vitamin C may enhance the absorption of iron from the gastrointestinal tract. |
| | A) | True |
| | B) | False |
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