NEET Biology NEET PYQ-Excretory System In Animals

  • question_answer
    Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? [NEET 2014]

    A) Increase in aldosterone levels

    B) Increase in antidiuretic hormone levels

    C) Decrease in aldosterone levels

    D) Decrease in antidiuretic hormone levels

    Correct Answer: A

    Solution :

    [A] Increase in aldosterone levels cause an increase in sodium reabsorption is DCT. It is secreted by outer, layer of adrenal gland when aldosterone is present in the blood, all the \[N{{a}^{+}}\] in the fi Iterate is reabsorbed. Retaining \[N{{a}^{+}}\]raises the osmotic pressure of the blood and reduces the water loss from the body.


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