Afterload is described as:
A)the force the ventricles must overcome to eject blood into their respective arteries.
B)the amount of blood that has drained into the ventricle by the end of the filling phase.
C)the length or degree of stretch of the sarcomeres in the ventricular cells before they contract.
D)the ability to generate tension.

Question

Quizplus · Accepted Answer

Afterload is the force that the ventricles must overcome to eject blood into their respective arteries. This can be thought of as the resistance that the blood faces as it flows through the vessels. A higher afterload means that the heart must work harder to eject blood, which can lead to increased myocardial oxygen demand and potentially impair cardiac function.

Afterload Is Described As