Which statements describing vitamin D are true.
1)The skin produces Vitamin D when exposed to UV light.
2)When the skin is exposed to UV light,it begins the reaction to convert the precursor molecule to calcitriol in the liver than kidneys.
3)Vitamin D supplements can be taken if individuals are not exposed to UV light.
4)Vitamin D stimulates the uptake of calcium from the intestines.
5)Vitamin D inhibits the function of phagocytes in immunity.
A)1,2,3
B)2,3,4
C)1,2,3,4,5
D)2,4,5
E)2 and 4

Question

Quizplus · Accepted Answer

Statements 1 and 3 are true, but statement 5 is false. Vitamin D actually supports the function of immune cells. Statements 2 and 4 are also true: UV light triggers the conversion of vitamin D to calcitriol in the liver and kidneys, and calcitriol stimulates calcium uptake from the intestines.

Which Statements Describing Vitamin D Are True