Vitamin D Is Integral to the Regulation of Calcium and Phosphate

Multiple Choice

Vitamin D is integral to the regulation of calcium and phosphate levels. Put the following steps in the action of vitamin D into the correct sequence. Use all the options.

A) Vitamin D is present in the skin or intestine.
B) Vitamin D is concentrated in the liver.
C) Absorption of calcium from the intestine increases.
D) Vitamin D is transported to the kidneys.
E) Calcitriol is produced.