Which of the following is true of iron supplements?
a. They should be taken only when prescribed by a physician who has assessed an iron deficiency.
b. Iron in supplements is absorbed better than iron in food.
c. Diarrhea is a common side effect.
d. Absorption improves when the iron supplement is taken with meals.
e. They are standard for vegetarians.
Answer: A
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Which of the following accurately describes free radicals?
a. They are destroyed by air pollution. b. They arise from normal metabolic reactions. c. They promote cell repair and act as an anti-inflammatory agent. d. They are immune to the presence of antioxidant nutrients. e. They are more common in infants and children than adults and the elderly.
Why do Okinawans enjoy one of the longest life spans of anyone on earth?
Potatoes, rice, corn, and yucca are foods that have cultural significance in specific countries. These foods are often referred to as "____."
A) nutrient dense B) super foods C) favorite foods D) available foods
The source of calcium during the process known as fast calcium exchange is:
a. dissolution of bone. b. blood plasma. c. bone fluid. d. liver calcium stores.