AdrenCortex — KinFAST

Adaptive test — questions are selected based on your ability estimate. — Tag: CortexVsMedulla

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A pathologist studies the adrenal gland and notes that it has two functionally distinct regions: an outer cortex and an inner medulla. Which combination best contrasts their embryologic origins, hormone types, and physiological roles?

Both regions are derived from neural tissue and secrete catecholamines exclusively Both regions secrete identical hormones and have identical regulation The adrenal cortex (outer) is derived from mesoderm and secretes steroid hormones (mineralocorticoids like aldosterone, glucocorticoids like cortisol, androgens) regulated mainly through ACTH from the anterior pituitary or the renin-angiotensin system. The adrenal medulla (inner) is derived from neural crest and secretes catecholamines (epinephrine and norepinephrine), regulated directly by sympathetic preganglionic neurons The cortex secretes epinephrine and norepinephrine; the medulla secretes aldosterone and cortisol

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