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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Definitions:

Investment

Investment involves allocating resources, usually financial, with the expectation of generating an income or profit, often through the purchase of assets designed to grow in value over time.

Interest Rate

The proportion, usually expressed as a percentage, of a loan that is charged as interest to the borrower, typically expressed on an annual basis.

Interest Rate

The percentage at which interest is charged or paid on a sum of money over a period, typically expressed as an annual percentage rate.

Investment

The allocation of resources, usually financial, into assets or projects expected to yield future returns.