How Does Digoxin Exert an Inotropic Effect on the Myocardium

question 32

Multiple Choice

How does digoxin exert an inotropic effect on the myocardium?

• A)By reversibly inhibiting the Na⁺/K⁺-ATPase pump
• B)By stimulating the vagus nerve
• C)By increasing extracellular sodium concentrations
• D)By pumping calcium out of the cell

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Definitions:

Basin and Range Province

A vast geographical area in the United States characterized by alternating basins and mountain ranges, formed by stretching of the Earth's crust.

Gulf Coast Region

A geographical area in the United States bordering the Gulf of Mexico, known for its warm climate, wetlands, and as an important area for energy production and shipping.

Appalachian Mountains

A mountain range in eastern North America, extending from Canada to the southern United States, known for its rich biodiversity and history.

Fold and Thrust Belt

A series of mountainous folds and thrust faults that develop near convergent tectonic plate boundaries, where one plate is forced over another.