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MCAT Question A Day - 9/14/14 - Answer!

The production of which of the following cells would most likely be increased by parathyroid hormone?

A.  osteoprogenitor
B.  osteocyte
C.  osteoclast
D.  osteoblast

C is correct. Parathyroid hormone increases blood calcium by increasing osteocyte activity, and increasing osteoclast number.

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