Vitamin D

Multiple Choice

Vitamin D

A) is not synthesized by the body, so it must be obtained in the diet.
B) is synthesized in the liver, where it acts on adjacent cells.
C) is converted to calcitriol when blood calcium is high.
D) is synthesized from calcitriol.
E) is converted to calcitriol, which acts as a hormone and increases calcium absorption in the gut and kidneys.