Which of the following statements most accurately captures the function of the ascending loop of Henle?
A)
Urine is concentrated by the selective absorption of free water in the ascending limb.
B)
Sodium and water are reabsorbed in equal amounts, reducing filtrate quantity but maintaining osmolality.
C)
The majority of solute and water reabsorption occurs in the ascending loop of Henle.
D)
Impermeability to water and absorption of solutes yields a highly dilute filtrate.
Ans:
D
Feedback:
The osmolality of the filtrate reaches a low of 100 mOsm/kg of water in the ascending limb as a result of its impermeability to water.
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