AMU Medical AMU Solved Paper-1997

  • question_answer
    In presence of vasopressin, the greatest fraction of filtered water is absorbed in the

    A)  loop of Henie     

    B)  proximal tubule

    C)  distal tubule      

    D)  collecting duct.

    Correct Answer: D

    Solution :

    : Vasopressin increases the permeability of the collecting duct of the kidney so that water enters the hypertonic interstitium of the renal pyramids. The urine become concentrated, and its volume decreases. The overall effect is therefore retention of water in excess of solute. Because of this effect the vasopressin is often called antidiuretic hormone.


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