An anatomy instructor asks students about the relationship between the kidneys and the adrenal glands in a healthy human adult. Which description is correct?

• A. A single adrenal gland lies between the kidneys.
• B. Two adrenal glands are attached to the inferior ends of the kidneys.
• C. Two adrenal glands are positioned on the upper poles of the kidneys.
• D. Four adrenal glands surround the abdominal aorta.

Answer: (C)