In the client with hypocalcemia, what is the response of the parathyroid hormone, PTH?
A. It reduces the excretion of calcium.
B. It blocks the renal excretion of calcium.
C. It stops bone from stimulating osteoclastic activity.
D. Its secretion diminishes to preserve the bone calcium supply.
A
In the presence of hypocalcemia, PTH secretion increases, which stimulates bone to promote or-thoclastic activity, adding more calcium to the blood. PTH also reduces the renal excretion of calcium.
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