chapter 10 test

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blood

river of life

formed elements

complex connective tissue in which living blood cells

plasma

nonliving fluid matrix

hematocrit

total volume of a blood sample

erythrocytes

RBCs, function primarily to ferry oxygen in blood to all cells of the body

hemoglobin

an iron- containing protein, transports the bulk of the oxygen that is carried in the blood

anemia

polycythemia an excessive or increase in the number of erythrocytes

leukocytes

WBCs are far less numerous than red blood cells, they are crucial to body defense against disease

leukocytosis

indicates that a bacterial or viral infection is stewing in the body

leukopenia

abnormally low WBC count

leukemia

"white blood"

granulocytes

granule containing WBCs
ex: neutrophils, eosinophils, basophils

agranulocytes

lack visible cytoplasmic granules
ex: lymphocytes, monocytes

platelets

fragments of extraordinarily large multinucleate cells

hematopoiesis

blood cell formation

hemocytoblasts

stem cell which resides in red bone marrow

erythropoietin

rate of erythrocyte production controlled by this hormone

hemostasis

stoppage of blood flow

serotonin

causes the blood vessel to go into spasms

thromboplastin

factor that plays a key role in the clotting process

thrombus

a clot that develops and persists in an unbroken blood vessel

embolus

thrombus that breaks away from the wall and floats into the blood stream

thrombocytopenia

results in an insufficient number of circulating platelets

hemophilia

bleeding disorders

agglutination

binding of the antibodies causes the RBCs to clump

ABO blood groups

type A and type B

Rh blood groups

named after monkeys

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