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Physiology

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Kidney

Question
3 out of 3
 

Which of the following is true regarding nephron function:



A Ascending thick limb is permeable to water

B Osmolality of intratubular content is more

C In PCT 10-20% filtrates are reabsorbed

D In PCT 60-70% filtrates are reabsorbed

Ans. D In PCT 60-70% filtrates are reabsorbed

60 -70% of the filtered solute and water is reabsorbed in proximal tubule Q

SITE

PERMEABILITY

Active transport of Na++

Water

Urea

NaCl

Thick descending limb

++++ Q

+

+/-

0

Thin ascending limb

0

+++ Q

++++ Q

0

Thick ascending limb

0

+/-

+/-

++++ Q

DCT

+/-

+/-

+/-

+++

Collecting tubule

+++

0/+++

+/-

++