An older female adult seeks advice from the nurse about preventing further bone loss after being diagnosed with osteopenia. To achieve the woman's goal, which teaching should the nurse provide to enhance activity of osteoblasts?
a. Limit sodium intake.
b. Refrain from alcohol use.
c. Eat high-fiber foods.
d. Exercise with weights.
D
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A Incorrect. Sodium impairs calcium absorption, so the nurse instructs her to limit sodium to reduce bone loss.
B Incorrect. Alcohol impairs calcium absorption, so the nurse instructs her to avoid alcoholic beverages.
C Incorrect. Fiber inhibits calcium absorption.
D Correct. In osteopenia, bone metabolism is unbalanced because the action of osteoclasts is greater than the action of osteoblasts. To effectively treat osteope-nia, the balance between the activities of the bone cells must be shifted to more osteoblast (bone-building) activity because increasing osteoblast activity helps to reduce bone loss and at the same time to gain bone density. Lifting weights stimulates osteoblasts to build bone through the application of opposing forces on the bone and helps to achieve the woman's goal by increasing physical activ-ity (to stem bone loss) and by generating more bone (to gain bone density).
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