JCECE Medical JCECE Medical Solved Paper-2013

  • question_answer
    Angiotensinogen is a protein produced and secreted by

    A)  macula densa cells

    B)  endothelial cells (cells lining the blood vessels)

    C)  liver cells

    D)  juxtaglomerular (JG) cells

    Correct Answer: C

    Solution :

     Angiotensinogen is a plasma protein produced and secreted by the liver cells. Renin secreted from juxtaglomeruular cells and acts enzymaticaly on angiotensinogen to release 10 amino acid peptide angiotensin-l. Macula densa is actually a plaque in wall at the end of thick ascending limb of nephrons.


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