Question:

Which of the following factors is responsible for the formation of concentrated urine ?

Updated On: May 18, 2024
  • Secretion of erythropoietin by Juxtaglomerular complex
  • Hydrostatic pressure during glomerular liltrntion.
  • Low levels of antidiuretic hormone
  • Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys
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The Correct Option is D

Solution and Explanation

The proximity between loop of henle and vasa recta as well as counter current in them help in maintaining an increasing osmolalrity towards the inner medullary interstitium. This mechanism help to maintain a concentration gradient in medullary interstitium so human urine is nearly four times concentrated than initial filtrate formed.
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