Which of the Following Statements Is True of Calcium Homeostasis

question 18

Multiple Choice

Which of the following statements is true of calcium homeostasis?

• A)Calcitriol is a form of vitamin D that facilitates calcium absorption from the GI tract,thus increasing the level of circulating calcium.
• B)Hypercalcemia stimulates calcitonin secretion,while hypocalcemia stimulates the secretion of parathormone (PTH).
• C)All of these are correct.
• D)Plasma calcium is maintained at 9.0 to 10.4 mg/dL for men and 8.9 to 10.2 mg/dL for women.

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