A Nurse Is Being Oriented to Work for an Intensive

A nurse is being oriented to work for an intensive care unit.The hemodynamic data indicate that the patient has a decreased preload.Which information indicates the nurse has a correct understanding of the concept of preload?

A) It is the amount of blood ejected from the left ventricle each minute.
B) It is the amount of blood in the heart at the end of ventricular diastole.
C) It is the resistance to the ejection of blood from the left ventricle.
D) It is the rhythmic relaxation and contraction of the heart chambers.

Correct Answer:

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