Osteoclasts are inhibited / modified and regulated by____________?
Correct answer: B. Calcitonin
- A. Parathyroid hormone
- B. Calcitonin
- C. 1,25 dihydroxycholecalciferols
- D. Tumor necrosis factor
Explanation
Calcitonin directly inhibits osteoclast activity and therefore reduces bone resorption. Parathyroid hormone and active vitamin D generally promote osteoclast-mediated resorption indirectly when sustained.
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