Blood flow in arterioles:

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Blood flow in arterioles ? entry resistance
(vasoconstriction) in afferent arteriole ?
GFR ? entry resistance (vasodilation) in afferent
arteriole ? GFR
eg. SNS
Sympathetic NS constriction of afferent
arterioles and decrease GFR a response to
maintain systemic blood pressure rather than
maintain GFR
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Atrial Natriuretic Peptide
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