BIO 117 HONDROS EXAM 3 2023 LATEST GRADED A+ (69 QAs)
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 carries blood from the pulmonary capillaries to the left atrium? - ANSWER Pulmonary veins
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