A Patient with Heart Failure Is Given an Intravenous Dobutamine

question 1

Multiple Choice

A patient with heart failure is given an intravenous dobutamine infusion to reduce impedance to left ventricular ejection.Which receptors mediate this effect of dobutamine?

• A) dopamine D₁ receptors
• B)α₁-adrenoceptors
• C) α₂-adrenoceptors
• D) β₁-adrenoceptors
• E) β₂-adrenoceptors

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