BIO 117 HONDROS EXAM 3
The apex of the heart is located - Answer - 5th intercostal space Which layer of the heart allows it to act as a pump? - Answer - Myocardium What is the apex of the heart? - Answer - The tip of the heart, pointing down towards the left 5th intercostal space. Which layer of the heart wall contains the epicardium? - Answer - Pericardium What surrounds the heart? - Answer - Pericardium What is related to the mitral valve (tricuspid valve)? - Answer - Bicuspid valve Which of the following contains oxygenated blood? - Answer - Left Atrium, Pulmonary veins, Aorta Which of the following contains deoxygenated blood? - Answer - Superior Vena Cava, Right Atrium, Pulmonary Arteries What supplies oxygenated blood to the heart muscle? - Answer - Coronary Arteries Which layer of the heart contains actin, myosin, and troponin? - Answer - Myocardium Which valves are open during atrial systole? - Answer - Tricuspid Mitral What is true of blood leaving the tissues and traveling towards the right atrium? - Answer - Oxygen poor, carbon dioxide rich Valve that prevents backflow of blood into the left ventricle when the left ventricle is in diastole? - Answer - Aortic The aorta receives blood from what structure? - Answer - Left ventricle Which vessel
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