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Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

  1. A
    Increase in aldosterone levels
  2. B
    Increase in antidiuretic hormone levels
  3. C
    Decrease in aldosterone levels
  4. D
    Decrease in antidiuretic hormone levels

Solution & Step-by-step Explanation

Aldosterone, secreted by the adrenal cortex, acts on the Distal Convoluted Tubule (DCT) and collecting duct to stimulate the active reabsorption of Sodium () and water, while promoting the excretion of Potassium ().

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Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?
A
Increase in aldosterone levels
B
Increase in antidiuretic hormone levels
C
Decrease in aldosterone levels
D
Decrease in antidiuretic hormone levels

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