goodies
Forum Junior
Topics: 19
Posts: 39
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I always thought that Ang II vasoconstricts just the efferent, but according to USMLErx, it says that when AngII levels are high it vasoconstricts both afferent and efferent arterioles ie. during hemorrhage. it also says that prostaglandins vasodilate both afferent and efferent. is that true?
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| unique1
InGodITrust
Topics: 19
Posts: 1,407
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AngII constricts both afferent and efferent arterioles but Efferent MORE than afferent.
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| new_n_lost
Politically InCorrect
Topics: 650
Posts: 6,058
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 and this is not only in RX but also in Ganong for sure but i think also in Kaplan
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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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| RayBerg
Forum Senior
Topics: 32
Posts: 150
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If I remember correctly, at low levels ATII preferentially constricts efferent over afferent. But at high levels, it constricts both equally. Can anyone confirm that?
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