Control of Vitamin D Activation Is Accomplished by

question 4

Multiple Choice

Control of vitamin D activation is accomplished by

• A) PTH control of the liver 25 hydroxylase
• B) PTH control of the liver 1 hydroxylase
• C) PTH control of the kidney 25 hydroxylase
• D) PTH control of the kidney 1 hydroxylase
• E) Feedback inhibition of the liver 1 hydroxylase by vitamin D

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