Question

which of the following conditions is a benign tumor of the adrenal medulla that secretes epinephrine?
a adenocarcinoma
b goiter
c pheochromocytoma
d insulinoma

Explanation:

• Adenocarcinoma is a malignant tumor arising from glandular tissue.
• Goiter is an enlargement of the thyroid gland, not a tumor of the adrenal medulla.
• Insulinoma is a tumor of the pancreas that secretes insulin.
• Pheochromocytoma is a benign tumor of the adrenal medulla that secretes epinephrine (adrenaline) and norepinephrine.

Answer:

C. pheochromocytoma