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Introduction to Cell Mediated Immunity

The portion o...

Question

The portion of nephron which is relatively impermeable to water is

A

Collecting tubule

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B

Ascending limb of loop of henle

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C

Distal tubule

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D

Loop of Henle

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Solution

The correct option is A Ascending limb of loop of henle
Reabsorption of ions take place and it is commonly known as the resorptive segment of nephron.
So the correct option is B.

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Q. Select the statements which are correct with respect to loop of Henle in a nephron.
1) Ascending limb of loop of Henle is impermeable to electrolytes, but is permeable to water.
2) Descending limb of loop of Henle is permeable to water but is impermeable to electrolytes
3) Both ascending and descending limbs are permeable to water.
4) Reabsorption is minimum in the ascending limb of loop of Henle.

Q. Assertion :In the descending limb of loop of Henle, the urine is hypertonic, while is ascending limb of loop of Henle, the urine is hypotonic Reason: Descending limb is impermeable to

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Q. Assertion :In the descending limb of the loop of Henle, the uring is hypertonic, while in ascending limb of the loop of Henle, the urine is hypotonic. Reason: Descending limb is impermeable to Na, while ascending limb is impermeable to

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Q. Which limb of loop of Henle is impermeable to water?

Q. Assertion :The renal fluid becomes increasing concentrated when it flows down in the descending limb of loop of Henle towards inner medulla, but its concentration decreases in the ascending limb when it flows towards the cortex. Reason: The descending limb of the loop of Henle water is reabsorbed, the ascending limb is impermeable to water but salt are absorbed.

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