Sylvia has hemochromatosis. Which of the following conditions is a common sign or symptom of this disorder?
A. Iron-deficiency anemia
B. "Bronze" skin color
C. Megaloblastic anemia
D. Blocked bile ducts
Answer: B
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Which of the following is true of dietary supplements?
a) They are used to cure, treat, or prevent disease. b) They are food additives. c) They do not require safety testing before entering the market. d) They are drugs.
List five roles of water in the body fluids
A nutrient that is normally nonessential but becomes essential under certain conditions is called
A. an essential nutrient. B. a nonessential nutrient. C. a conditionally essential nutrient. D. a phytochemical.
Sodium is involved in all of the following body functions EXCEPT ________.
A. energy metabolism B. muscle contraction and relaxation C. transmission of nerve impulses D. regulation of fluid balance