d. Endocardium is not important in preventing the backflow of blood.
The innermost layer of the heart is called the endocardium. The inside surfaces of the heart chambers and heart valves are lined with it. Two layers make up the endocardium. Endothelial cells comprise the inner layer, which lines the heart chambers.
Refluxing blood is referred to as regurgitation. Backflow isn't usually brought on by MVP. In actuality, the majority of MVP patients never experience backflow or any symptoms or issues that are associated to it. Backflow can modify the size of the heart, increase pressure in the left atrium and lungs, and develop worse with time.
The aortic valve malfunctions in aortic regurgitation, allowing blood to seep back into the heart's main pumping chamber (left ventricle). Therefore, the left ventricle has a larger capacity.
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