Which of the following statements concerning vitamin D is incorrect? Vitamin D

a. can be synthesized by the skin on exposure to sunlight.
b. must be modified by biochemical alterations within the liver and kidneys before it is biologically active.
c. enhances the effect of calcitonin on bone.
d. increases Ca2+ absorption in the intestine.
e. deficiency in children results in rickets.


C

Anatomy & Physiology

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