Bone mass declines as part of the aging process. What are the
main reasons for the decrease in bone mass?
Bone mass begins to decline for two main reasons. First,
synthesis, absorption, and metabolism of vitamin D diminish
as we age. Second, diminished estrogen in post-menopausal
women contributes to bone loss since estrogen supports
bone health.
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Nutrients that are not required in the diet except under special circumstances are termed:
1.conditionally essential. 2.essential. 3.nonessential. 4.trace nutrients.
What part of the GI tract prevents a person from choking while swallowing?
a. Mouth b. Epiglottis c. Pyloric sphincter d. Upper esophageal sphincter
Your mother, who has a high blood urea content, most likely has a poorly functioning
a. liver. b. spleen. c. kidney. d. intestinal tract.
Which of the following allergy testing techniques involves no risk of exposure of the suspected allergen to the patient?
a. Skin prick test b. Elimination/challenge diet c. Double-blind, placebo-controlled food challenge test d. CAP System fluorescent-enzyme immunoassay