Aldosterone increasesMultiple Choicepotassium retention by the kidneys.water excretion by the kidneys.sodium retention by the kidneys.sodium absorption by the intestinal villi.
Question
Aldosterone increasesMultiple Choicepotassium retention by the kidneys.water excretion by the kidneys.sodium retention by the kidneys.sodium absorption by the intestinal villi.
Solution
To answer the question step by step:
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Identify the function of aldosterone: Aldosterone is a hormone produced by the adrenal glands. Its primary role is to regulate sodium and potassium levels in the body.
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Understand the options given:
- Potassium retention by the kidneys.
- Water excretion by the kidneys.
- Sodium retention by the kidneys.
- Sodium absorption by the intestinal villi.
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Analyze each option:
- Potassium retention by the kidneys: Aldosterone actually promotes the excretion of potassium, not its retention.
- Water excretion by the kidneys: Aldosterone indirectly influences water retention by promoting sodium retention, which in turn retains water.
- Sodium retention by the kidneys: This is correct. Aldosterone increases the reabsorption of sodium in the kidneys.
- Sodium absorption by the intestinal villi: Aldosterone does not directly affect sodium absorption in the intestines.
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Conclusion: The correct answer is "sodium retention by the kidneys."
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