Which statement concerning plasma Ca++ regulation is FALSE? A) An increase in plasma PO₄ concentration forces a reduction in plasma Ca²⁺ as a result of the inverse relationship between plasma PO₄ and Ca²⁺ levels. B) Hyperparathyroidism is characterized by hypercalcemia and hyperphosphatemia. C) PTH enhances the rapid movement of calcium from the bone fluid into the plasma. D) Calcitonin decreases plasma Ca²⁺.

Question

Quizplus · Accepted Answer

Hyperparathyroidism is characterized by hypercalcemia but typically causes hypophosphatemia, not hyperphosphatemia, due to increased renal excretion of phosphate.

Which Statement Concerning Plasma Ca++ Regulation Is FALSE