Which statement best describes the role of mineralocorticoids in the collecting tubule?
Understand the Problem
The question is asking about the physiological role of mineralocorticoids, specifically in the context of the collecting tubule in the kidneys. We need to understand how these hormones affect sodium reabsorption and the overall function of the nephron.
Answer
Mineralocorticoids promote sodium reabsorption and potassium/hydrogen ion secretion in the collecting tubule.
Mineralocorticoids primarily promote tubular reabsorption of sodium and facilitate secretion of potassium and hydrogen ions.
Answer for screen readers
Mineralocorticoids primarily promote tubular reabsorption of sodium and facilitate secretion of potassium and hydrogen ions.
More Information
Mineralocorticoids like aldosterone play a critical role in the regulation of electrolyte balance by adjusting sodium and potassium levels, which consequently regulates blood pressure and fluid balance in the body.
Tips
A common mistake is confusing the role of mineralocorticoids with that of glucocorticoids, which have different functions.
Sources
- Mineralocorticoid - an overview | ScienceDirect Topics - sciencedirect.com
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