Question
The concentration of blood is 280 to 300 mosmol/L, but may rise to 1200 mosmol/L in which situation
| A. | In the vasa recta of the kidney |
| B. |
In severe dehydration |
| C. |
In the peritubular capillaries of the kidney |
| D. |
In severe overhydration |
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Correct Answer � A Explanation |
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Answer is A:
Juxtamedullary nephrons have a capillary bed known as the vasa recta which descends into the kidney medulla. As it does so the concentration of the contained blood increases to 1200 mosmol/L