One difference in the way the human body regulates iron and copper status is that
A. unlike iron, copper is always absorbed at a high rate even when copper stores are high.
B. excess iron is excreted while excess copper is not.
C. excess copper is excreted while excess iron is not.
D. iron toxicity can result in liver damage, whereas copper toxicity does not.
C
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For many people suffering from GERD, the underlying cause is malfunctioning of
A. gastric bicarbonate production. B. gastric mucous production. C. the epiglottis. D. the gastroesophageal sphincter.
In the USDA "MyPyramid" of 2005, the narrowing of each food group from bottom to top represents
A. the idea that variety is necessary because no one food contains all of the nutrients necessary for health. B. the idea that moderation is required for a healthy lifestyle. C. the idea that a balanced diet includes foods from each of the food groups. D. the idea that the wider base represents foods with high solid fats, added sugars, and caloric sweeteners. E. the importance of daily exercise.
Using the formula listed below, calculate the target body weight of a female soccer player currently weighing 134 lb and having 18% body fat but wishing to be 15% body fat. Assume that all weight lost is stored fat. Target body weight = Current weight of fat-free mass (lb)/ 1 - desired % body fat
a. 114 b. 122 c. 129 d. 131
Which of the following characteristics describes the majority of meals offered at fast-food restaurants?
A) low in total fat B) high in Calories C) provide fresh fruits and vegetables D) low in sodium