Pharmacology At low infusion rates of 3-5 mcg/kg/min, what action is produced by dopamine? A Vasoconstriction B Increased renal blood flow C Increased cardiac contractility D Decreased blood pressure 💡 Explanation At low infusion rates of 3-5 mcg/kg/min, what action is produced by dopamine? ✓ Correct Answer: B. Increased renal blood flow