The HPA axis involves which three structures?
a. Hippocampus, pituitary gland, adrenal glands
b. Hypothalamus, pineal gland, adenoids
c. Hippocampus, pineal gland, adrenal glands
d. Hypothalamus, pituitary gland, adrenal glands
Answer: D
Rationale: When you perceive that you are in a stressful situation, the hypothalamus releases a substance called corticotrophin-releasing factor, which stimulates the pituitary gland to release adrenocorticotrophic hormone.
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