The opposing roles of the thyroid and parathyroid maintain the balance of calcium and phosphate ions in the blood. What will happen if the parathyroid gland develops a defect that prevents PTH secretion?

A. The amount of calcium ions in the blood will decrease and the amount of phosphate ions will increase.
B. The amount of calcium ions in the blood will increase and the amount of phosphate ions will decrease.
C. The amount of calcium ions and phosphate ions in the blood will decrease.
D. The amount of calcium ions and phosphate ions in the blood will increase.


Answer: C

Anatomy & Physiology

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