The primary effect of calcitonin is__________________?
Correct answer: C. Bone deposition
- A. Increases intestinal absorption of calcium
- B. Bone resorption
- C. Bone deposition
- D. Decreases intestinal absorption of calcium
Explanation
Calcitonin lowers plasma calcium mainly by inhibiting osteoclast-mediated bone resorption, shifting the balance toward retention of calcium in bone. Thus bone deposition is the best available option, although inhibition of resorption is the more precise wording.
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