36 terms

chapter 12 blood.

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the average adult has
8 to 10 pints of blood in there body
function of blood
transporting fluid. carries nutrients from the digestive track. aids in fighting infection. aids in gas exchange
composition of blood
made up of plasma. contains eurythrocytes leukocytes and thrombocytes
thrombocytes
platelets
eurythrocytes
red blood cells
leukocytes
white blood cells.
blood plasma
straw colored complex liquid comprising about 55% blood volume
blood plasma contains
water, plasma, nutrients, electrolytes, hormones, vitamins, enzymes. metabolic waste products.
hemolysis
rupture or bursting of rbc's
leukocytes
are larger than rbc's and are formed in the red marrow. and fight infection.
types of wbc's
neutrophils, eosinophils, basophils, monocytes, lymphocytes
hemoglobin
gives rbc's there color
inflammation
occurs when tissues are subjected to chemical or physical harm
signs of inflammation
redness warmth swelling and pain.
thrombocytes
smallest of the solid components of blood
coagulation
another name for blood clotting.
clotting times
timeit takes for blood to clot. 4-16 minutes.
4 types of blood
a,b,ab,o
type o blood
univesal donor
ab+
universal recipient
rh factor
an antigen found only on the surface of a rbc.
anemia
a deficiency in the number of rbc's
iron deficiency anemia
often in woman. not enough iron in diet
pernicious anemia
caused by deficiency of vitamin b12
aplastic anemia
suppresion of the bone marrow
sickle cell anemia
chronic blood disease inherited from both parents
cooleys anemia
caused by a defect in HGB
polycythemia
to many rbc's
embolism
condition were a clot or embolis is carried into the blood stream until it reaches an artery to small for passage.
thrombosis
formation of a clot in a blood vessel.
hematoma
loclized clotted mass of blood in an organ tissue or space.
hemophilia
disease were blood clots slowly or abnormally.. hereditary.
thrombocytopenia
disease were there are a decrease in platelets.
leukemia
cancerous or malignent condition which ther is a great increase in the number of wbc's. it interferes with o2 transport to tissues
mulitple myeloma
malignent neoplasm of plasma cells. can lead to fractures or bone pain.
septicemia
blood infection.