front 1 What is erythrocyte protoporphyrin? | back 1 Hemoglobin precursor |
front 2 Which of the following is an important function selenium? | back 2 Inhibits the formation of free radicals |
front 3 Which of the following foods should be especially limited in the diet of individuals with hemochromatosis? | back 3 Iron-fortified cereals |
front 4 What is the response of the thyroid gland to an iodine deficiency? | back 4 Increase in its size to trap more iodine |
front 5 One of the thyroid gland hormones is called | back 5 Thyroxine |
front 6 Which of the following characteristics are shared by iron and zinc? | back 6 Both are absorbed into intestinal epithelial celss but may then be lost by normal villius cell renewal processes |
front 7 Which of the following is a feature of iron nutrition? | back 7 On average, women do not eat enough iron-containing foods |
front 8 Approximately how many people worldwide are thought to be affected by iron-deficiency anemia? | back 8 1.6 billion |
front 9 Which of the following is a characteristics of iron deficiency? | back 9 People with anemia generally become fatigued only when they exert themselves |
front 10 Which of the following is a characteristics of iron absorption? | back 10 Abosorption of heme iron that is about 50% higher than nonheme iron |
front 11 Under normal circumstances, what is the average percentage of dietary iron that is absorbed? | back 11 18 |
front 12 What is the oxygen-carrying protein of muscle cells? | back 12 Myoglobin |
front 13 What is the primary function of the thyroid hormones? | back 13 Control the rate of oxygen use of cells |
front 14 An enzyme in which zincor copper is an integral part of its structure is classified as a(n) | back 14 Metallothionase |
front 15 Which of the following is not a feature of zinc supplements? | back 15 They reduce the incidence of goiter in developing countries |
front 16 What is the primary mechanism associated with the role of flouride in prevention of dental caries? | back 16 Flouride becomes incorporated into the crystalline structure of teeth, making them less susceptibleto decay |
front 17 What is the average lifespan of red blood cells? | back 17 Four months |
front 18 Which of the following provides the greatest amount of iron per serving? | back 18 Pinto beans |
front 19 Which of the following is the richest source of iodine? | back 19 Seafood |
front 20 The erythrococyte protoporphyrin level is used as an indicator of | back 20 Late iron deficiency |
front 21 All o fthe following are recognized symptons of zine deficiency EXCEPT | back 21 Anemia |
front 22 If a person's body has a total of 5 grams of iron, how many grams would be found in the hemoglobin? | back 22 4 |
front 23 Keshan disease results from a deficiency of | back 23 Selenium |
front 24 All of the following are known to reduce the absorption of iron EXCEPT | back 24 Sugars |
front 25 What population group is at the highest risk for iron overload? | back 25 Adult men |
front 26 What is the bioavailability of dietary zinc? | back 26 15-40% |
front 27 How does vitamin C enhance iron absorption when consumed in the same meal? | back 27 It keeps iron in the reduced ferrous form |
front 28 Which of the following is a feature of zinc in nutrution? | back 28 Pancreatic enzymes are rich in zinc |
front 29 Which of the following minerals functions primarily in reactions that consume oxygen? | back 29 Copper |
front 30 Which of the following is a common side effect from taking iron supplements? | back 30 Constipation |
front 31 Approximately how much higher is the RDA for iron for a vegetarian woman of childbearing age compared with her nonvegetarian counterpart? | back 31 80% |
front 32 What iron-containing compound carries oxygen in the bloodstream? | back 32 Hemoglobin |
front 33 All off the following are chief storage sites for surplus iron EXCEPT the | back 33 Muscle. |
front 34 Which of the following is a feature of iodine in nutrition? | back 34 Processesed foods in the U.S do not use iodized salt |
front 35 Which of the following minerals undergoes enterpancreatic circulation during normal metabolism? | back 35 Zinc |
front 36 What is the adult RDA for iodine? | back 36 150 mg |
front 37 What is hepcidin? | back 37 A liver-derived hormone that helps regulate iron absorption and transport |
front 38 Which of the following fruits are known to contain substances that inhibit the functioning of the thyroid gland? | back 38 Peaches and strawberries |
front 39 What is the ionic state of ferric iron? | back 39 +3 |
front 40 Characteristics of manganese in nutrition include all of the following EXCEPT | back 40 Deficiency are seen primarily in the elderly |