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Which vitamin is primarily produced in the skin in response to sunlight?

AVitamin A

BVitamin C

CVitamin D

DVitamin K

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Answer and explanation

Correct Answer: C: Vitamin D

Explanation: The correct answer is C: Vitamin D. Vitamin D is primarily produced in the skin in response to sunlight. Ultraviolet B radiation from the sun triggers the synthesis of Vitamin D3 in the skin, which is then converted to its active form in the liver and kidneys.

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