Blood Flow Through Most Organs in the Systemic Circuit Is

question 82

Multiple Choice

Blood flow through most organs in the systemic circuit is regulated primarily by increasing or decreasing the ________ activity to arteriolar smooth muscles in the organ.Another form of regulation,called ________,depends upon the metabolic activity of the organ.Increased activity leads to increased interstitial fluid metabolites,which cause ________ of the arterioles.The former is a type of ________ regulation of blood flow;the latter is an example of ________ regulation.

• A)sympathetic;active hyperemia;dilation;extrinsic;intrinsic
• B)sympathetic;reactive hyperemia;dilation;intrinsic;extrinsic
• C)parasympathetic;active hyperemia;constriction;extrinsic;intrinsic
• D)sympathetic;flow autoregulation;constriction;intrinsic;extrinsic
• E)parasympathetic;reactive hyperemia;dilation;extrinsic;intrinsic

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