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) α 2-adrenoceptors
• D) β1-adrenoceptors
• E) β 2-adrenoceptors

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