Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below.
- Statement I is correct but Statement II is incorrect.
- Statement I is incorrect but Statement II is correct.
- Both Statement I and Statement II are correct.
- Both Statement I and Statement II are incorrect.
Answer
(3) Both Statement I and Statement II are correct.
Solution
Statement I: The counter current mechanism operating between the Henle's loop and vasa recta helps in the formation of concentrated urine. Correct.
Statement II: The counter current mechanism helps to maintain an increasing osmolarity (osmotic gradient, from about 300 to 1200 mOsmol L-1) in the medullary interstitium. Correct.
Answer: (3)