单选题 Which of the following would the nurse expect to find in a client diagnosed with hyperparathyroidism?
A. Hypocalcemia.
B. Hypercalcemia.
C. Hyperphosphatemia.
D. Hypophosphaturia.

【正确答案】 B

【答案解析】Hypercalcemia is the hallmark of excess parathyroid hormone levels. Serum phosphate will be low (hypophosphatemia), and there will be increased urinary phosphate (hyperphosphaturia) because phosphate excretion is increased.