After 30 minutes of sun exposure, which individual people would have synthesized the most vitamin D?
A)a light-skinned person
B)a dark-skinned person
C)a young child
D)an older person
E)a pregnant woman

Question

Quizplus · Accepted Answer

Light-skinned people have less melanin in their skin, which allows for more UVB radiation to enter and stimulate vitamin D synthesis in the skin. Dark-skinned individuals have more melanin, providing more protection from UV radiation but also reducing the skin's ability to synthesize vitamin D. Age, pregnancy, and being a child do not significantly affect vitamin D synthesis in the skin.

After 30 Minutes of Sun Exposure, Which Individual People Would