A patient with left-sided heart failure is hospitalized with pulmonary edema.The nurse providing this patient's care would consider which physiology when explaining this disorder to the patient's family?
A)The normally high-pressure pulmonary circuit can damage lung tissue and cause pulmonary edema.
B)Since pulmonary veins have no valves,blood can back up into the lungs causing pulmonary edema.
C)The oxygen-rich blood that enters the pulmonary circuit tends to increase pressures in the tissue,causing pulmonary edema.
D)The arteries of the pulmonary circuit are single layer.

Question

Quizplus · Accepted Answer

In left-sided heart failure, the heart cannot adequately pump blood from the left ventricle to the rest of the body, causing a backup of blood into the pulmonary veins. These veins have no valves, and the increased pressure in the vessels causes fluid to leak into the lungs, leading to pulmonary edema.

A Patient with Left-Sided Heart Failure Is Hospitalized with Pulmonary