Which of the following statements is true about iron?
A. An iron-deficient individual absorbs less iron than a person with good iron status.
B. Approximately 65% of dietary iron is absorbed.
C. Excess dietary iron is excreted readily via the kidneys.
D. Iron deficiency anemia is found most commonly among young children, adolescents, and menstruating women.
Answer: D
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The biggest difference(s) between a Type I reaction and a Type IV reaction is/are:
a. the amount of time before onset of symptoms b. Type IV involves T cells and Type I involves an immunoglobulin. c. Type IV involves an immunoglobulin and Type I involves T cells. d. a and b e. a and c
Hydration status in athletes does not seem to be negatively affected by a caffeine intake up to:
a. 550 mg daily. b. 300 mg daily. c. 450 mg daily. d. 200 mg daily.
Scientific study of the intake of a low-glycemic index food prior to endurance exercise suggests that this strategy is ____
A) detrimental to performance B) beneficial to nearly all endurance athletes C) beneficial to some endurance athletes D) not beneficial or detrimental to any endurance athletes
Substances that dissociate in water to form charged ions are called what?
a. Electrolytes b. ATPases c. Neurons d. Electrons