Which of the following is a source of vitamin D?

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Prepare for the WGU NURS2001 D440 Health and Wellness Through Nutritional Science Exam. Study with detailed explanations and multiple-choice questions that enhance learning. Ace your WGU exam with confidence!

Multiple Choice

Which of the following is a source of vitamin D?

Explanation:
Vitamin D can be produced by the skin when it is exposed to sunlight. UVB rays convert a cholesterol-like substance in the skin into previtamin D3, which becomes vitamin D3 and is then activated by the liver and kidneys. This makes sunlight a natural and important source of vitamin D for many people, though intake can also come from certain foods and fortified products. Options like sodium chloride (salt) and plain white bread are not reliable sources of vitamin D, and beef contains only small amounts.

Vitamin D can be produced by the skin when it is exposed to sunlight. UVB rays convert a cholesterol-like substance in the skin into previtamin D3, which becomes vitamin D3 and is then activated by the liver and kidneys. This makes sunlight a natural and important source of vitamin D for many people, though intake can also come from certain foods and fortified products. Options like sodium chloride (salt) and plain white bread are not reliable sources of vitamin D, and beef contains only small amounts.

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