What will be the effect of an increase of parathyroid hormone?

A. Osteoblast activity increases, resulting in a decrease in blood calcium.
B. Osteoclast activity increases, resulting in an increase in blood calcium.
C. Osteoblast activity increases, resulting in an increase in blood calcium.
D. Osteoclast activity increases, resulting in a decrease in blood calcium.


Answer: B

Nutritional Science

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