Which vitamin is produced by the skin?

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Prepare for the Holistic Nursing Exam 2 with our comprehensive quiz. Dive into flashcards and multiple choice questions, each with detailed explanations to enhance understanding and get exam-ready!

Multiple Choice

Which vitamin is produced by the skin?

Explanation:
Vitamin D is produced by the skin when it’s exposed to ultraviolet B radiation from sunlight. UVB converts a cholesterol precursor in the epidermis into vitamin D3, which then moves to the liver and kidneys to become the active form that helps regulate calcium and bone metabolism. This endogenous production is what sets vitamin D apart from the others listed, which must come from the diet or supplements because the skin does not synthesize them in meaningful amounts. (Note: factors like sunscreen or limited sun exposure can reduce vitamin D synthesis.)

Vitamin D is produced by the skin when it’s exposed to ultraviolet B radiation from sunlight. UVB converts a cholesterol precursor in the epidermis into vitamin D3, which then moves to the liver and kidneys to become the active form that helps regulate calcium and bone metabolism. This endogenous production is what sets vitamin D apart from the others listed, which must come from the diet or supplements because the skin does not synthesize them in meaningful amounts. (Note: factors like sunscreen or limited sun exposure can reduce vitamin D synthesis.)

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