Which of the following statements is true about mineral toxicity?
A. Foods often provide excessive amounts of minerals.
B. Fluorosis occurs after the teeth break through the gums.
C. Mineral toxicities usually result from supplement use.
D. Iron poisoning among children is not a major concern.
Ans: C. Mineral toxicities usually result from supplement use.
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Vitamin D is different from all other vitamins because it:
A) can donate electrons or hydrogen ions to other substances. B) cannot be converted to an active hormone in the body. C) cannot be consumed through a diet. D) can be synthesized by our body through exposure to sunlight.
Baroreceptors within blood vessels are stimulated by:
a. high osmolarity b. low osmolarity c. high glucose concentration d. high hydrostatic pressure e. low hydrostatic pressure
What protein is used in copper transport?
a. ceruloplasmin b. serum amyloid A c. VLDL d. C-reactive protein e. fibronectin
Why is it important for long-term health and well-being that weight reduction diets not mimic starvation?