The regional aerial resistance of the mesentery and kidney is reduced by-
Correct Answer: Dopamine
Description: The D1 receptor in renal and mesenteric blood vessels are the most sensitive. I/V infusion of low dose of dopamine dilates these vessels (by raising intracellular cAMP). This increases GFR in addition dopamine exes natriuretic effect by D1 receptors on proximal tubules.
Category:
Physiology
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