exam 2 review Flashcards
hypoxemia
low levels of O2 in the blood
hemolysis
RBC’s rupture
Polycythemia
an excess of RBCs
Leukopenia
low WBC count
Leukocytosis
high WBC count
Hemostasis
Blood clotting; the cessation of bleeding
Fibrinolysis
dissolution of a clot
Hemophilia
family of hereditary diseases characterized by deficiencies of one factor or another
Hematomas
masses of clotted blood in the tissues
Thrombosis
abnormal clotting in unbroken vessel
Embolus
anything that can travel in the blood and block blood vessels
Tissue hypoxia
not enough O2 in tissues
necrosis
death of cells in tissues
Hemorrhagic anemias from bleeding
loss of red blood cells exceeds production of new red blood cells.
Hemolytic anemias from RBC destruction
disorder in which red blood cells are destroyed faster than they can be made
Aneurysm
weak point in artery or heart wall
Anastomosis
convergence point between two vessels other than capillaries
Arteriosclerosis
stiffening of arteries due to deterioration of elastic tissues of artery walls
Atherosclerosis
build up of lipid deposits that become plaques
Edema
accumulation of excess fluid in a tissue
ischemia
condition in which blood flow (and thus oxygen) is restricted or reduced in a part of the body.
Stroke, or cerebral vascular accident (CVA)
Sudden death of brain tissue caused by ischemia
agglutinins
Antibodies
agglutinogens
RBC antigens