Multiple Choice
Each of the following is accurate regarding the relation of vitamin D to sun exposure except one. Which one is the exception?
A) The body has the ability to produce adequate amounts of vitamin D from sunlight.
B) UV radiation penetrates uncovered skin and converts a precursor of vitamin D to vitamin D3.
C) Sunscreen blocks formation of vitamin D3.
D) By the age of 70 years, the skin generally produces vitamin D at only half the level it did at the age of 20 years.
Correct Answer:

Verified
Correct Answer:
Verified
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