In addition to calcium to support bone growth during adolescence, two other nutrients required to support growth and to ensure healthy pregnancies in teenage girls who might become pregnant are
A. iron and vitamin B12.
B. folate and vitamin B12.
C. iron and magnesium.
D. iron and folate.
D
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One of the major reasons why carbohydrates play a major role in nutrition is because they:
a. are widely available. b. are absorbed in the stomach. c. provide a ready source of vitamins and minerals. d. can be eaten without special preparation.
Which of the following is a feature of calcium nutrition in the elderly?
a. The DRI is 800-1000 mg b. Calcium intakes are well below recommendations c. Calcium supplements are not effective sources of calcium due to poor digestibility d. Calcium from food is not well absorbed due to the intake of calcium-binding laxatives
Fast food contributes to obesity because it generally provides _____
a. nutrient-dense foods b. smaller portions c. plenty of low-kcalorie choices d. large portions of energy-dense foods e. too much salt and not enough sugar
Which of the following minerals may affect renal function?
a. potassium b. phosphorus c. calcium d. all of these