RegGFR — KinFAST

Adaptive test — questions are selected based on your ability estimate. — Tag: AffEffArteriolesCompare

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A renal physiology student studies how the kidneys control glomerular filtration rate (GFR) through the afferent and efferent arterioles. Which combination of statements best contrasts the roles of these two arterioles in glomerular filtration?

The afferent arteriole brings blood into the glomerulus; constricting it lowers glomerular hydrostatic pressure and decreases GFR. The efferent arteriole carries blood away from the glomerulus; constricting it raises glomerular hydrostatic pressure and tends to increase GFR (up to a point) Constricting the afferent arteriole increases glomerular hydrostatic pressure; constricting the efferent arteriole decreases glomerular hydrostatic pressure Both arterioles play the same role; constricting either one always decreases GFR equally Both arterioles carry urine away from the glomerulus and have no effect on filtration rate

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