The hypothalamus secretes releasing and inhibiting hormones that regulate the production and secretion of hormones from the:

Correct Answer: B

Rationale: Releasing and inhibiting hormones from the hypothalamus target the anterior pituitary to regulate its hormone secretion.

Correct Answer: D

Rationale: The adrenal gland's cortex secretes cortisol (glucocorticoid) and aldosterone (mineralocorticoid).

Correct Answer: C

Rationale: Glucagon raises blood glucose, opposing insulin's glucose-lowering effect.

Correct Answer: B

Rationale: Aldosterone regulates electrolytes and water, not fuel metabolism like the others.

Correct Answer: A

Rationale: Steroid hormones pass through the membrane and bind to intracellular receptors.