Chapter 18 Blood Flashcards
What is the blood composition?
What are the components of the blood plasma?
What are the three major categories of plasma proteins? and their functions?
What plasma protein is the most abundant, contributes to viscosity and osmolarity, and influences blood pressure, flow, and fluid balance?
Albumins
provide immune system functions (antibodies)
Globulins
precursor of fibrin threads that help form blood clots
fibrinogen
identical to plasma except for the absence of fibrinogen
serum
What are the properties of formed elements?
What are the three classes of formed elements?
Label the following formed elements
What is hematopoiesis?
What are hemocytoblasts? function? form?
Explain the structure and characteristcs of a Erythrocyte
What is the function of a erythrocyte?
Describe the life history/ formation fo a RBC?
What is erythropoietin and where is it released?
What is the structure and function of a hemoglobulin?
binds reversibly with oxygen
Explain the destruction of an erythrocyte
antibody molecule binding to antigens, causes clumping of red blood cells
aggultination
What is the universal donor?
What is the universal recipient?
Explain the Rh group
What is the transfusion compatibility of different ABO groups?
What are the different types of Leukocytes?and their abundance?
What are the three Granulocytes and their functions?
What are the two agranulocytes and their functions?
Barely visible granules in cytoplasm; three- to five lobed nucleus
Neutrophils
large rosy-orange granules; bilobed nucleus
Eosinophils
large, abundant, violet granules (obscure a large S shaped nucleus)
Basophils
variable amounts of bluish cytoplasm (scanty to abundant); ovoid/round, uniform dark violet nucleus
lymphocytes
usually largest WBC; ovoid, kidney-, or horsehoe-shaped nucleus
monocytes
Explain the components and importance of platelets
Platelet formation
Thrombopoiesis
Thrombopoiesis formation is regulated by_____
thrombopoietin
The cessation of bleeding
Hemostasis
What stops potential fatal leaks?
hemostasis
excessive bleeding
hemorrhage
What are the three hemostatic mechanisms?
What plays an important role in all three hemostatic mechanisms?
platelets