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12 Cards in this Set
- Front
- Back
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List the layers of the heart and explain their function |
Epicardium-outer layer-covers the heart and attaches to the pericardium Myocardium-middle layer-contracts to pump blood into arteries Endocardium-inner layer-lines interior chambers and valves |
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List the chambers of the heart and explain their function |
Right Artium-collects blood from the superior and inferior vena cava Right Ventricle-collects blood from the right atrium and pumps blood to the lungs Left Atrium-collect oxygenated blood from the lungs Left Ventricle-collects blood from the left atrium and pumps blood to the rest of the body |
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List the valves of the heart and explain their function |
Tricuspid valve-separates right atrium and right ventricle Pulmonary Semilunar valve-separates right ventricle and pulmonary artery Bicuspid valve (mitral)-separates left atrium and left ventricle Aortic Semilunar valve-separates left ventricle and aorta
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Describe Pulmonary and Systemic circulation |
Pulmonary circulation includes the flow of deoxygenated blood from the heart to the lungs
Systemic circulation includes the flow of oxygenated blood from the heart to the rest of the body tissues |
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Identify 3 types of blood vessels and describe their function |
Arteries-carry oxygenated blood away from the heart and to the body tissues Veins-carry deoxygenated blood back to the heart Capillaries-connect arterioles and venules forming a bridge between the arterial and venous circulation |
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Name the Major Arm Veins |
Median cubital vein-near the center of antecubital area (preferred vein for venipuncture) Cephalic vein-located laterally to the antecubital area (second choice) Basilic vein-located on the inner side of the antecubital area (last choice) |
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Name the Major Leg vein |
Great Sephanous vein |
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List the major constituents of blood and describe the function of each |
Plasma and formed elements: -Erythrocytes-carry oxygen from the lungs to the cells, and CO2 from the cells back to the lungs to be exhaled -Leukocytes-neutralize or destroy pathogens -Thrombocytes-platelets-essential for coagulation
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Differentiate between serum, plasma, and whole blood |
Serum-fluid portion of clotted blood Plasma-fluid portoin of unclotted blood Whole blood-same consistency as blood in the bloodstream |
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Define Hemostasis |
The stoppage or arrest of bleeding |
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What is the function of the lymphatic system? |
-Carries lymph fluid and collects lymph at the terminal vessel ends -composed of lymphoid tissue that removes impurities and process lymphocyes |
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What are the structures of the lymphatic system? |
Lymphatic vessels, ducts, nodes |
