While reviewing the role of the parathyroid hormone in the balance of calcium and phosphate levels, the nursing faculty will emphasize that the kidney responds to parathyroid stimulation by
A) increasing reabsorption of sodium in the distal tubules.
B) reducing the reabsorption of phosphate.
C) stimulating production of red blood cells.
D) decreasing the reabsorption of calcium.

Question

Quizplus · Accepted Answer

In the kidney, PTH stimulates tubular reabsorption of calcium while reducing the reabsorption of phosphate. The latter effect ensures that increased release of phosphate from bone during mobilization of calcium does not produce an elevation in serum phosphate levels.

While Reviewing the Role of the Parathyroid Hormone in the Balance