Which of the following are characteristics of the reabsorption of solutes and wa

Question

Which of the following are characteristics of the reabsorption of solutes and water from the nephron.

(choose all that apply)

1) water movement into the intersitial during reabsorption is owing to osmotic pressure that builds in the intersitial fluid by the active transport of Na+

2) All reabsorption depends on the primary transport of Na+

3) All reabsorption is directly or indirectly an active transport process

4) Na+ is actively transported from the tubule cell to the tubule lumen

5) Dilute urine can form in the loop of Henly if solutes are reabsorbed by active transport and the flow of water out of the tubule is prevented

6) Na+ gradient across the tubule membrane drives secondary active transport of glucose

1) water movement into the intersitial during reabsorption is owing to osmotic pressure that builds in the intersitial fluid by the active transport of Na+

2) All reabsorption depends on the primary transport of Na+

3) All reabsorption is directly or indirectly an active transport process

4) Na+ is actively transported from the tubule cell to the tubule lumen

5) Dilute urine can form in the loop of Henly if solutes are reabsorbed by active transport and the flow of water out of the tubule is prevented

6) Na+ gradient across the tubule membrane drives secondary active transport of glucose

Explanation / Answer

1) water movement into the intersitial during reabsorption is owing to osmotic pressure that builds in the intersitial fluid by the active transport of Na+ -----------> TRUE

2). All reabsorption depends on the primary transport of Na+ ---------------> TRUE

3). 3) All reabsorption is directly or indirectly an active transport process --------------> FALSE (Reabsorption process can be either active or passive).

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