AMU Medical AMU Solved Paper-1999

  • question_answer
    Excretion of potassium is governed primarily by

    A)  potassium reabsorption in proximal convoluted tubule

    B)  potassium secretion in proximal convoluted tubule

    C)  potassium secretion in distal convoluted tubule

    D)  potassium reabsorption in distal convoluted tubule.

    Correct Answer: A

    Solution :

    : About 65% of the glomerular filterate is normally reabsorbed in the proximal convoluted tubule before reaching the loop of Henle. Glucose aminoacids, vitamins, hormones, sodium, potassiun etc. from the filterate are absorbed.


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