PATHOLOGY MCQ
SKIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A
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E
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K
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D
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Detailed explanation-1: -Cutaneously synthesized vitamin D3 is released from the plasma membrane and enters the systemic circulation bound to vitamin D-binding protein (DBP) [15]. Serum concentrations of vitamin D3 peak 24–48 h following exposure to UV radiation [13].
Detailed explanation-2: -As far as your skin is concerned, vitamin D showcases great anti-inflammatory properties that can help treat skin conditions like dryness, acne, psoriasis, eczema, and vitiligo. Many cosmetic brands and even dermatologists use this vitamin in night creams and moisturisers to help improve your skin.
Detailed explanation-3: -The production of vitamin D3 from 7-dehydrocholesterol in the epidermis. Sunlight (the ultraviolet B component) breaks the B ring of the cholesterol structure to form pre-D3. Pre-D3 then undergoes a thermal induced rearrangement to form D3.