Unitek Quiz 11 Chapters 15-20 Exam Questions With 100% Correct Answers | Guaranteed A+

Unitek Quiz 11 Chapters 15-20 Exam Questions With 100% Correct Answers | Guaranteed A+ What are erythrocytes? - answer-red blood cells Function of erythrocytes - answer-transport O2 to all body tissues Name the four valves of the heart - answer-Mitral (bicuspid), pulmonic, tricuspid, aortic Where is the mitral valve located? - answer-between left atrium and left ventricle Where is the pulmonic valve located? - answer-between right ventricle and pulmonary trunk Where is the tricuspid valve located? - answer-between right atrium and right ventricle Where is the aortic valve located? - answer-between left ventricle and aorta What is the largest vein in the body? - answer-inferior vena cava What is the function of hemoglobins? - answer-It carries oxygen through the blood from the lungs to the rest of your body What is a globin? - answer-protein part of hemoglobin. It transports some CO2 from metabolizing cells to lungs. What is heme? - answer-iron-containing red pigment that is what allows oxygen to bind to hemoglobinWhat is the flow of blood through the heart? - answer-Superior and inferior vena cava, right atrium, tricuspid valve, rt ventricle, pulmonary valve, pulmonary artery, lungs (picks up oxygen), pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve, aorta, to the body What is a basophil? - answer-A type of white blood cell (granulocyte), absorb white blue stain, release histamine, and heparin (anticoagulant) What is the function of a thrombocyte? (platelets) - answer-stoppage of bleeding What is a cardiac cycle? - answer-The period from the end of one ventricular contraction to the end of the next ventricular contraction. it has 3 stages. One complete heartbeat. What is the pacemaker of the heart? - answer-sinoatrial node (SA node) What part of the heart receives oxygenated blood? - answer-left side of the heart. left atrium via pulmonary veins What part of the heart receives deoxygenated blood? - answer-right ventricle What structure divides the heart? - answer-two septa: interatrial septum-separates two atria interventricular septum-separates two ventricles What are the layers of the heart? - answer-epicardium, myocardium, endocardium What is the function of the epicardium? - answer-Protects the outside of the heart What is the myocardium? - answer-the muscular tissue of the heart. helps contract and pump blood. What is the endocardium? - answer-innermost layer of the heartWhat is pericardium? - answer-double-walled sac that encloses the heart What happens during atrial systole? - answer-the atria contract, blood is forced through tricuspid and mitral valves into ventricles What is cardiac output? - answer-Volume of blood ejected by the heart in one minute: cardiac output = heart rate x stroke volume What is erythropoietin? - answer-Hormone released by the kidneys during hypoxic conditions that stimulates the release of RBCs into the bloodstream. What blood type is considered a Universal donor? - answer-Type O What blood type is considered a Universal recipient? - answer-type AB blood. What is lymph? - answer-excess tissue fluid carried by lymphatic vessels What is the result if lymph nodes are removed? - answer-impairment of lymphatic drainage. causes edema. (Lymphedema) What are lymphatic capillaries? - answer-Blind-ended lymphatic vessels located in the microscopic spaces between tissue cells What are the lymphatic organs? - answer-lymph nodes, thymus gland, spleen What are the lymphatic nodules? - answer-tonsils, MALT, Preyer's patches, and appendix What is similar about the thoracic lymphatic duct and the right lymphatic duct? - answer-They both drain into the subclavian veins.