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4:28 . Expert Q&A Done 15. Milk (milk from cows and soy milk) can be fortified with vitamin D which is an easy way to obtain vitamin D from food. Which of the following can the body use to synthesize vitamin D? a. Bone b. Carotene c. Tryptophan d. Exposure to sunlight 16. Insufficient vitamin D during childhood is associated with: a. Rickets b. Osteomalacia c. Osteoporosis d. Dowagers's hump 17. Vitamin E is added to many oil-based skin-care products because it prevents oxidation. Which of the following is the function of Vitamin E in the body? a. Protecting PUFA (polyunsaturated fatty acids) in the cell membranes from oxidation b. Regenerating vitamin C by donating an electron c. Improving the absorption of vitamin C if dietary intake is too low d. Increasing bone density
18. Vitamin K's primary role in the body is: a. Muscle contraction b. Enzyme action c. Blood clotting d. Nerve transmission 19. Which of the following vitamins is synthesized by intestinal bacteria? a. A b. E c. K d. D 20. Newborn infants receive a single dose of vitamin K at birth because: a. Newborns do not have enough bacteria in their small intestine to make vitamin K b. Breast milk is a poor source of vitamin K c. The trauma of labor and delivery depletes the newborn's vitamin K stores d. Newborns cannot absorb vitamin K from breast milk or formula
Chapter 12: 21. Which of the following events is specific to a salt- sensitive individual? a. Blood pressure increases as salt intake rises b. Immune system is activated when salt intake increases c. Muscle cramps occur when body sodium becomes depleted d. Thirst response is activated upon consumption of a sodium-rich food 22. The majority of dietary chloride is consumed from: a. Animal protein sources b. Alcohol c. Table salt d. Water 23. The DASH diet plan was devised to prevent a. Dehydration b. Constipation c. Osteoporosis d. Hypertension
24. Why are salt tablets generally not recommended for people engaged in physical activity? a. They can induce dehydration if taken with too little water b. They suppress the thirst mechanisms c. They may lead to complete kidney failure d. They can reduce blood glucose concentration 25. Which of the following is a feature of potassium? a. It is unrelated to blood pressure b. Liberal intakes may correct hypertension c. Major dietary sources are processed foods d. Deficiencies are usually the result of deficient intakes 26. Which of the following provides the least amount of potassium? a. Cheddar cheese b. Potatoes c. Milk d. Oranges
27. If there is not an adequate intake of calcium in the diet, the body will take calcium from the bone in order to maintain blood calcium levels. a. True b. False 28. Certain green leafy vegetables have a very low calcium bioavailability due to the presence of a. Low calcium content b. Low vitamin D content c. Naturally occurring binders d. High calcium content, which lowers calcium absorption 29. Formed in our bones, hydroxyapatite crystals are mineral complexes comprised of calcium and: a. Sodium b. Chloride c. Phosphorus d. Vitamin K
30. Where is the majority of the body's magnesium found? a. Bones b. Teeth c. Fatty tissue d. Cells of soft tissue