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27 terms

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