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Kaplan Qbank USMLE



Author2 Posts
  #1

The absorption of calcium from the intestinal tract results principally from the direct action of which of the following?

Is it PTH or Vit D?


  #2

D. pth works only in the kidneys and bone.

N.B.
pth stimulates kidneys to form 1,25 fomr of vit D







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