BIO 117 HONDROS EXAM 3 | 69Questions with 100 % correct answers | verified

The apex of the heart is located - 5th intercostal space Which layer of the heart allows it to act as a pump? - Myocardium What is the apex of the heart? - The tip of the heart, pointing down towards the left 5th intercostal space. Which layer of the heart wall contains the epicardium? - Pericardium What surrounds the heart? - Pericardium What is related to the mitral valve (tricuspid valve)? - Bicuspid valve Which of the following contains oxygenated blood? - Left Atrium, Pulmonary veins, Aorta Which of the following contains deoxygenated blood? - Superior Vena Cava, Right Atrium, Pulmonary Arteries What supplies oxygenated blood to the heart muscle? - Coronary Arteries Which layer of the heart contains actin, myosin, and troponin? - Myocardium Which valves are open during atrial systole? - Tricuspid Mitral What is true of blood leaving the tissues and traveling towards the right atrium? - Oxygen poor, carbon dioxide richValve that prevents backflow of blood into the left ventricle when the left ventricle is in diastole? - Aortic