What creates the osmotic gradient in the renal medulla\'? A. passive transport o

Question

What creates the osmotic gradient in the renal medulla'? A. passive transport of solute out of the distal tubules and collecting ducts B. special transport systems of the loops of Henle of juxtamedullary nephrons C. special transport systems of the loops of Henle of cortical nephrons D. active transport of solute out of the distal tubules and collecting ducts BE active transport of solute out of the proximal tubule 0 Which of the following accurately pairs the portion of the renal tubule with the appropriate anatomical modification? A. proximal tubule; "tight" tight junctions B. proximal tubule; extensive surface area for absorption C. distal tubule; large amount of mitochondria relative to other areas of the renal tubule D. collecting duct; lack of aquaporins

Explanation / Answer

1. Through active transport of solute out of the distal tubules and collecting ducts. The osmotic gradient is achieved in renal medulla.

2. Collecting duct and lack of aquaporin

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