At low infusion rates of 3-5 mcg/kg/min, what action is produced by dopamine?

Question

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B. Increased renal blood flow. Ans: B. Increased renal blood flow(Ref: Goodman Gilman 12/e p355; KDT 7/e p134. 6/e p507)Action of dopamine:At low concentrations (2 to 5 mcg/kg per minute):Primarily acts on vascular D1 receptors.Mainly renal, mesenteric & coronary beds.By activating adenylyl cyclase a raising intracellular cyclic AMP concentrations.D1 receptor stimulation a Vasodilation.Increases in glomerular filtration rate, renal blood flow & Nat+ K+ - ATPase pump.

Answer

A. Vasoconstriction

Answer

C. Increased cardiac contractility

Answer

D. Decreased blood pressure

At low infusion rates of 3-5 mcg/kg/min, what action is produced by dopamine?

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At low infusion rates of 3-5 mcg/kg/min, what action is produced by dopamine?

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