Question

which endocrine gland is indicated by the arrow?
pineal gland
adrenal gland
hypothalamus
ovary

Explanation:

The arrow points to a gland on top of the kidney. The adrenal glands are located on top of each kidney. The pineal gland is in the brain, the hypothalamus is also in the brain, and the ovary is in the pelvic region (not near the kidneys). So the indicated gland is the adrenal gland.

Answer:

B. adrenal gland