[Homeostasis]
26. When the kidneys detect an increase in salt concentration in the blood, they respond by ........

A) excreting less salt in the urine.

B) returning more salt to the blood by filtration.

C) returning more salt to the blood by reabsorption.

D) returning less salt to the blood by reabsorption. (The intent here is to decrease the amount of salt in the blood and excrete more with the urine.)

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Slichter