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A&P ch13 blood
Question | Answer |
---|---|
How many liters of blood is in the body? | 5 liters |
what are the 3 blood components? | plasma, formed elements, hematocrit |
what is the key plasma protein? | albumin |
Plasma | makes up 55 percent of blood and is made up mostly of water |
what helps equalize fluid volume? | albumin |
erythrocytes? | red blood cells that carry oxygen and are the heaviest in the blood |
leukocytes? | white blood cells |
what do platelets do? | create blood clotting |
what is the resistance of a fluid to flow | viscosity |
Hematocrit | percent of red blood cells in a sample |
what does low hematocrit mean | anemia/ person is anemic. |
hematopoiesis or hemopoieses | formation of blood cells |
produces all types of blood cells and is found in long bones and some flat bones. | red bone marrow |
what is a lymphocyte | a type of white blood cell |
what is produced by lymphatic tissue? | lymphocytes |
lacks a nucleus, no DNA, no replication | red blood cells |
what do red blood cells do | deliver o2 to cells, remove carbon dioxide, movement |
HEME | bound to each globin |
what is the iron containing molecule of hemoglobin | heme |
4 ribbon like protein chains | globin |
circulates for 120 days | red blood cells |
what is the lifecycle of a red blood cell? | oxygen level drops, kidneys secrete EPO, bone marrow creates erythrocytes, reticulocytes are released, they mature into RBCs, o2 levels go up, EPO and RBC production goes down. |
what is EPO and what does it do | erythropoietin stimulates red blood marrow |
reticulocytes | immature red blood cell |
where are amino acids and basic chemicals stored | globin |
where are iron and bilirubin stored | heme |
where is iron sent to? | bones |
what does bilirubin pertain to | liver |
what is taken and secreted in urine and feces | bilirubin |
liver and spleen have to function for? | rbc breakdown |
hemolysis | breakdown of rbc's |
leukocytes | wbc's |
what is a role of white blood cells | protect the body against pathogens |
what are the 5 types of white blood cells? | Neutrophils, lymphocytes, monocytes, eosinophils, basophils |
% of blood that contains neutrophils | 60% |
% of blood that contains lisophils | 30% |
% of blood that contains monocytes | 8% |
% of blood that contains eosinophils | 3% |
% of blood that contains basophils | 0-1% |
polycythemia | too many blood cells in circulation; blood is too thick |
what are the types of granulocytes | neurtophils, eosinophils, and basophils |
what has a granulated appearance? | granulocytes |
what the types of agranulocytes | lymphocytes and monocytes |
what has a smooth appearance | agranulocytes |
cell that travels to infection; phagocyte | neutrophils |
cbc | complete blood count |
cell that is apart of long term immunity | lymphocytes |
cell that is biggest wbc that can take up large particles | monocytes |
cells that work with allergic reaction in respiratory tract and stomach/digestive tract. | eosinphils |
cells that secrete the anticoagulant heparin | basophils |
how long do platelets live | 1 week |
formation of blood clots | hemostasis |
stationary blood clot | thrombus |
moving blood clot | embolus |
coagulation | clotting of the blood |
two steps for dissolution of blood clots | platelets contract to bring edges together to heal, and fibrinolysis |
fibrin | net that holds platelets in place |
fibrinolysis | breakdown of the meshwork and the clot |
factors that discourage blood clots | smooth endothelium (prevents clots from sticking), blood flow (blood need to be moving), anticoagulants. |
erythroblastosis fetalis | where mom has a different RH factor and develops antibodies of babies blood |
factor also means | antigen |
antigen | blood type |
antibodies | circulate outside. |
universal blood recipient | AB+ |
universal blood donor | O- |