Which of these statements does NOT describe vitamin D
A)It can be synthesized by the skin on exposure to sunlight.
B)It must be modified by biochemical alterations within the liver and kidneys before it is biologically active.
C)It enhances the effect of calcitonin on bone.
D)It increases Ca²⁺ absorption in the intestine.

Question

Quizplus · Accepted Answer

Vitamin D does not enhance the effect of calcitonin on bone. Calcitonin and vitamin D have opposite effects on bone metabolism, with calcitonin inhibiting bone breakdown and vitamin D promoting calcium absorption and bone mineralization.

Which of These Statements Does NOT Describe Vitamin D