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How does the sympathetic nervous system decrease GFR?

Answer:
Increased sympathetic activity causes the afferent arterioles of the renal glomerulus to constrict, thereby reducing blood flow into the glomerulus. Because a decrease in blood flow reduces blood pressure in the glomerulus, which is the driving force for filtration, GFR decreases.
First answer by ID1414642275. Last edit by ID1414642275. Question popularity: 1 [recommend question].

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