NEET PG DENTAL EXAM

HISTOLOGY

INTEGUMENTARY SYSTEM SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
With the help of the sun, what vitamin is produced by our skin?
A
Vitamin A
B
Vitamin B
C
Vitamin C
D
Vitamin D
Explanation: 

Detailed explanation-1: -Vitamin D is the sunshine vitamin that has been produced on this earth for more than 500 million years. During exposure to sunlight 7-dehydrocholesterol in the skin absorbs UV B radiation and is converted to previtamin D3 which in turn isomerizes into vitamin D3.

Detailed explanation-2: -Vitamin D synthesis in the skin A whole body exposure to UVB radiation inducing the light pink color of the minimal erythema dose for 15–20 min is able to induce the production of up to 250 g vitamin D (10, 000 IU) [13], [14].

Detailed explanation-3: -The body creates vitamin D from direct sunlight on the skin when outdoors.

Detailed explanation-4: -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.

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