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305 Physiology

Renal autoregulation:

AIs associated with increased renal vascular resistance when arterial blood pressure is lowered from 100 to 80 mm Hg
BMainly involves changes in the caliber of efferent arterioles
CMaintains a normal renal blood flow during severe hypotension (blood pressure, 50 mm Hg)
DMinimizes the impact of changes in arterial blood pressure on renal Na+ excretion
Physiology
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