Which of the Following Drugs Improves Cardiac Efficiency by Slowing

question 28

Multiple Choice

Which of the following drugs improves cardiac efficiency by slowing the heart rate and increasing the force of cardiac contractions?

• A) Furosemide
• B) Digoxin
• C) Epinephrine
• D) Nifedipine

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Definitions:

Ligamentum Arteriosum

The ligamentum arteriosum is a small ligament that is a remnant of the fetal circulation's ductus arteriosus, connecting the aortic arch to the pulmonary artery, closing shortly after birth.

Fossa Ovalis

A depression in the interatrial septum of the heart, the remnant of the foramen ovale of the fetal heart.

Left Atrium

One of the four chambers of the heart, which receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.

Right Ventricle

The chamber of the heart that receives deoxygenated blood from the right atrium and pumps it to the lungs for oxygenation.