One of the most common factors that compromise vitamin D status of older adults, particularly those living in assisted living communities is _____.
a. decreased intake of fruits and vegetables
b. lack of physical activity
c. malabsorption due to atrophic gastritis
d. lack of exposure to sunlight
e. medication use that prevents vitamin D absorption
d. lack of exposure to sunlight
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Which is NOT a current hypothesis about the cause of aging?
A. Blood concentrations of hormones change. B. Connective tissue stiffens and reduces flexibility. C. Cells can divide about 50 times, and then they die. D. The immune system becomes less able to recognize and destroy foreign substances. E. All of these are current hypotheses about the cause of aging.
There are nine essential amino acids
Indicate whether the statement is true or false
What is an important function of mucus?
a. Helps solubilize bile b. Stabilizes pancreatic enzymes c. Enhances absorption of vitamin B12 d. Protects the stomach walls from digestion
The function of ghrelin seems to be to:
a. directly suppress appetite. b. maintain a stable body weight. c. increase serum levels after eating a meal. d. convert kcalories into stored adipose tissue.