Biology · Human Physiology
Which of the following is TRUE regarding cortical and juxtamedullary nephrons?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both types of nephrons produce equally concentrated urine under all conditions.
- 2Juxtamedullary nephrons maintain medullary hyperosmolarity via countercurrent mechanisms.✓
- 3Juxtamedullary nephrons lack vasa recta entirely.
- 4Cortical nephrons have long loops of Henle that help produce concentrated urine.
Correct answer
Juxtamedullary nephrons maintain medullary hyperosmolarity via countercurrent mechanisms.
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