Which of the following statements about parathyroid hormone (PTH) is NOT correct?
A. Parathyroid hormone promotes the release of calcium from bones.
B. PTH has the opposite effect of calcitonin.
C. PTH promotes the reabsorption of calcium by the kidneys.
D. PTH decreases the activity of osteoclasts.
E. When blood calcium levels are low, PTH secretion is stimulated.
Answer: D
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