A Patient with Pheochromocytoma Is Admitted for Surgery

A patient with pheochromocytoma is admitted for surgery. The surgeon has ordered an alpha-blocking agent to be given preoperatively. What does the nurse understand about this agent?

A) It is ordered to prevent perioperative hypertensive crisis.
B) It prevents secretion of catecholamines by the adrenal tumor.
C) It reduces contraction of smooth muscles in the adrenal medulla.
D) It is given chronically after the surgery to prevent hypertension.

Correct Answer:

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