The blood reports of a client suggest hyperfunctioning of the adrenal glands. Which finding supports the diagnosis?
A. Serum sodium of 130 mEq/L (130 mmol/L)
B. Serum bicarbonate of 24 mEq/L (24 mmol/L)
C. Blood urea nitrogen of 12 mg/dL (4.29 mmol/L)
D. Serum potassium of 2.8 mEq/L (2.8 mmol/L)