BIOS 255 Exam 1 Questions and Answers correct

BIOS 255 Exam 1 Questions and Answers correct General functions of cardiovascular system - transportation - regulation - protection parts of centrifuged blood - plasma - buffy coat - hematocrit what is in plasma water, dissolved gases, nutrients, waste products, proteins what is in the buffy coat WBC's and platelets what is in the hematocrit RBCS what percentage of blood is made of plasma 55% what percentage of blood is made of the buffy coat less than 1% what percentage of blood is made of the hematocrits 45% what are the three formed elements found in the blood RBCs, WBCs, platelets RBCs - lack a nucleus - biconcave disc shape - bags of hemoglobin - carry oxygen - carry some carbon dioxide where are RBCs formed red bone marrow what are RBCs formed from hematopoietic stem cells, myeloid stem cells, erythroblasts, reticulocyte and mature RBCs to make an RBC you need EPO, amino acids, iron and vitamin B12 the steps to hemoglobin recycling functions of bilrubin, bilverdin, stercobilin, urobilinogen and transferrin hemoglobin is made up of iron and globin RBC disorders polycythemia, anemia and sickle cell disease ABO blood typing antigens vs antibodies Never Let My Engine Blow Neutrophils - 60% Lymphocytes - 30% Monocytes - 8% Eosinophils - 3% Basophils - less than 1% categories of leukocytes granulocytes and agranulocytes granulocytes PHILS: neutrophils, basophils and eosinophils agranulocytes CYTES: monocytes and lymphocytes lymphoid stem cells give rise to Bcell lymphocytes, Tcell lymphocytes and natural killer cells myeloid stem cells give rise to RBCs platelet, monocytes, neutrophils, eosinophils, and basophils three steps to heostasis - vascular spasm - platelet plug formation - coagulation - clot retraction thrombocyte disorders hemophilia, thrombosis, embolus, hematoma pericardium is made up of what parietal pericardium and visceral pericardium layers to the heart wall epicardium, myocardium and endocardium types of heart valves AV valves and semilunar valves av valves tricuspid and mitral semilunar valves pulmonary and aortic microscopic anatomy of the heart muscle short, fat, branced, uninucleated, striated, involuntary and intercalated disc blood flow through the heart superior vena cava, inferior vena cava, coronary sinus, right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary trunk, right and left pulmonary arteries, lungs, right and left pulmonary veins, left atrium, bicuspic/mitral valve, left ventricle, aortic valve, aorta Add or remove terms