Select the True Statement Related to the Body's Response to Calcium

question 17

Multiple Choice

Select the true statement related to the body's response to calcium levels of more than 10.5 mg/dL.

• A) When the plasma calcium level reaches 10.5 mg/dL, calcitonin is secreted. It lowers the circulating calcium level by antagonizing the effect of PTH on bone.
• B) When the plasma calcium level reaches 10.5 mg/dL, calcitonin is secreted. It raises the circulating calcium level by potentiating the effect of PTH on bone.
• C) When the plasma calcium level reaches 10.5 mg/dL, PTH is secreted. It lowers the circulating calcium level by antagonizing the effect of calcitonin on bone.
• D) None of these are correct.

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