Multiple Choice
The main reason that the adequate intake (AI) for vitamin D increases in older adults is that
A) their ability to absorb dietary vitamin D is diminished.
B) conversion of vitamin D to its active forms is less efficient.
C) their skin is less efficient in synthesizing vitamin D during sun exposure.
D) they require more vitamin D than do younger adults to maintain bone health.
Correct Answer:
Verified
Correct Answer:
Verified
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