What organ functions as the chief regulator of the body's acid-base balance by controlling the bicarbonate concentration?
a. Skin b. Liver
c. Kidneys d. Stomach
c
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In North America, iron-deficiency anemia would be least likely in a
A. 3-year-old boy who is a picky eater. B. 12-year-old girl who is having a growth spurt. C. 9-month-old baby boy who has recently started eating solid foods. D. 55-year-old postmenopausal woman.
Which of the following foods is least likely to be genetically modified?
A) Soybean B) Corn C) Processed breakfast cereal D) Organic tomatoes
Nutrient recommendations for pregnant women are often higher. For which of the following nutrients are diet and existing stores insufficient resulting in supplement recommendations?
1.Fiber 2.Vitamin B12 3.Iron 4.Zinc 5.Vitamin C
An essential nutrient
A. has antioxidant activity in your body. B. is only in foods from animal sources. C. is made by your body. D. must be supplied by your diet.