The nurse is correct when explaining to the patient that the portion of the heart that is responsible for contracting the muscle layers in order to pump blood is which structure?

Question

Quizplus · Accepted Answer

The myocardium is the middle layer of muscle fibers of the heart that contract to pump blood.The endocardium is the lining of the inner surface of the heart chambers,the epicardium is the outer layer of the heart muscle,and the pericardium is the membranous sac that surrounds the heart.

The Nurse Is Correct When Explaining to the Patient That