Fill in the blanks:
1. In counter current mechanism, NaCl is transported by the ...a... limb of Henle’s loop which is exchanged with the .....b. limb of vasa recta.
2. NaCI is returned to the interstitium by ascending portion of .....c..
3. Small amount of Urea enter the ......d segment of ...a... limb of Henle’s loop which is transported back to the interstitium by the ...e... .
A.  a-ascending, b-descending, c-collecting tubule, d-thick, e-vasa recta
B. a-descending, b-ascending, c- collecting tubules, d-thin, e-vasa recta
C. a-ascending, b-descending, c-vasa recta, d-thick, e-collecting tubule
D. a-ascending, b-descending, c-vasa recta, d- thin, e-collecting tubule

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1 Answers

Correct Answer - D
1. In counter current mechanism, NaCl is transported by the ascending limb of Henle’s loop Which is exchanged wim the descending limb of vasa recta
2. NaCl is returned to the interstitium by ascending portion of vasa recta.
3. Small amount of urea enter the thin segment of ascending limb of Henle’s loop which is transported back to the interstitium by the collecting tubule.

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