Which of the following changes related to nutrition and bone metabolism does NOT occur in elderly subjects?
A)Decreased intake of protein
B)Reduction of skin biosynthesis of vitamin D
C)Increased renal excretion of calcium
D)Decline in osteoblast function

Question

Quizplus · Accepted Answer

Although an excessive sodium intake may contribute to an increased renal excretion of calcium, aging itself does not result in this physiologic change.Aging is associated with decreased intestinal absorption of calcium through alterations in the gastrointestinal mucosa and in vitamin D biosynthesis and metabolism.In contrast to osteoblast activity, osteoclast activity increases because of the uncoupling of bone remodeling.

Which of the Following Changes Related to Nutrition and Bone