What determines levels of Vitamin D and folate? Group of answer choices a_Amount of vitamin D and folate in foods, as evidenced by darker skin color in Inuit people in Alaska B_Cultural factors such as protective clothing, as evidence by lighter skin in people who have long populated the Arab peninsula C-Both D_Neither - Only amount of UV light determines levels of vit. D and folate
What determines levels of Vitamin D and folate?
Vitamin D is synthesized in the body from 7-dehydrocholesterol upon exposure to the ultraviolet B rays of the sunlight. Vitamin D is very important for the structure of the bones since it enables the absorption of calcium.
The deficiency of vitamin D in the body leads to improper mineralization of the bones. It may lead to rickets which is associated with deformed skeleton.
Folate is a type of vitamin B that is obtained from the dietary sources. They help in the synthesis of the red blood cells and white blood cells from the bone marrow. The synthetically produced folate as a supplement is called the folic acid.
A_Amount of vitamin D and folate in foods, as evidenced by darker skin color in Inuit people in Alaska
This option is valid.
The nutrition intake may cause deficiency of folate and Vitamin D in the body. The Inuit population of Alaska have unpredictably darker skin tone. It is known that skin pigmentation balances the synthesis of vitamin D and folate. The darker skin toned individuals synthesize less vitamin D due to high melanin pigments. Dark skin however prevents the folate from degradation.
B_Cultural factors such as protective clothing, as evidence by lighter skin in people who have long populated the Arab peninsula
This option is valid.
Vitamin D is synthesized by the body on exposure to sunlight. Thus wearing robes due to cultural factors that demand the skin to remain covered hinders the synthesis of vitamin D.
Again, folate undergo photolysis in sunlight. On exposure to the ultra violet rays (UVR) the folate level is reduced in the body.
C-Both
This option is correct.
The vitamin D and folate levels in the body is determined by the food intake and skin pigmentation.
D_Neither - Only amount of UV light determines levels of Vit. D and folate
This option is incorrect.
Apart from the exposure to the ultraviolet (UV) light, the skin pigmentation and nutrients also play an active role in determining the levels of vitamin D and folate in the body.
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