Counter current mechanism helps in concentrating urine in animals and mainly operates on:
a. Henle's loop b. Vasa-recta
c. PCT d. DCT

a only

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b only

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a and b

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All of these

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Solution

The correct option is C a and b
Mammals have the ability to produce a concentrated urine. The Henle’s loop and vasa-recta play a significant role in this. The flow of filtrate in the Henle’s loop and vasa-recta is in opposite directions and thus forms a counter current mechanism.

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Similar questions

Q. Counter current mechanism helps in concentrating urine in animals and mainly operates on:
a. Henle's loop b. Vasa-recta
c. PCT d. DCT

Q. Counter current mechanism helps in concentrating urine in animals and mainly operates on
a. Henle’s loops b. Vasa – recta
c.

P C T

D C T

Q. Counter current mechanism between loop of Henle and vasa recta results in reabsorption of water from:

We can produce a concentrated/ dilute urine. This is facilitated by a special mechanism. identify the mechanism.
(a) Reabsorption from PCT
(b) Reabsorption from collecting duct
(c) Reabsorption/Secretion in DCT
(d) Counter current mechanism in Henle's loop vasa recta

Q. The increase in osmolarity from outer to inner medullary interstitium is maintained due to:

(i) Close proximity between Henle's loop and vasa recta
(ii) Counter current mechanism
(iii) Selective secretion of

H C O_{3}^{-}

and hydrogen ions in

P C T

(iv) Higher blood pressure in glomerular capillaries

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Counter current mechanism helps in concentrating urine in animals and mainly operates on: a. Henle's loop b. Vasa-recta c. PCT d. DCT

The correct option is C a and bMammals have the ability to produce a concentrated urine. The Henle’s loop and vasa-recta play a significant role in this. The flow of filtrate in the Henle’s loop and vasa-recta is in opposite directions and thus forms a counter current mechanism.

Counter current mechanism helps in concentrating urine in animals and mainly operates on:
a. Henle's loop b. Vasa-recta
c. PCT d. DCT

The correct option is C a and b
Mammals have the ability to produce a concentrated urine. The Henle’s loop and vasa-recta play a significant role in this. The flow of filtrate in the Henle’s loop and vasa-recta is in opposite directions and thus forms a counter current mechanism.