A 20-year-old male with a 10 cm left adrenal mass is found to have 10 mg of norepinephrine in a 24-hour urine collection and a plasma 18 hydroxycorticosterone level of 50 mg/dL. Initial reoperative preparation should include which of the following?
A.	Treatment with spironolactone
B.	Intravenous potassium-loading to prevent intraoperative hypokalemia
C.	Treatment with phenoxybenzamine
D.	Treatment with labetalol
Answer:C
A 20-year-old male with a 10 cm left adrenal mass is found to have 10 mg of norepinephrine in a 24-hour urine collection and a plasma 18 hydroxycorticosterone level of 50 mg/dL. Initial reoperative preparation should include which of the following?
A.	Treatment with spironolactone B.	Intravenous potassium-loading to prevent intraoperative hypokalemia C.	Treatment with phenoxybenzamine D.	Treatment with labetalol