alleryStart learning →How does the adrenal cortex sitting on top of the kidney influence renal function?
AIt secretes renin to raise blood pressure
BIt secretes ADH to conserve body water
CIt secretes aldosterone to retain sodium
DIt secretes EPO to raise red cell counts
Answer & Solution
Correct answer: C. It secretes aldosterone to retain sodium
1. An adrenal gland caps the superior aspect of each kidney.
2. Its cortex produces aldosterone.
3. Aldosterone stimulates sodium reabsorption by the kidney, and water follows the sodium.
4. Renin comes from the juxtaglomerular cells of the kidney itself, and ADH from the posterior pituitary.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.3 Gross Anatomy of the Kidney_
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