CH 13: Pathology Flashcards
anemia
deficiency in erythrocytes or hemoglobin
aplastic anemia
failure of blood cell production in the bone marrow; all cell lines will decrease, no formation
pancytopenia
all cell lines decrease
hemolytic anemia
reduction in red cells due to excessive destruction; to destroy RBC
congenital spherocytic anemia
instead of normal biconcave shape, erythrocytes become spheroidal
pernicious anemia
related to B12
sickle cell anemia
gets stuck in vessels
thalassemia
has to do with Mediterranean
hemochromatosis
excess iron deposits throughout body; increase color because of iron
polycythemia vera
many blood cells; increase in RBC (erythremia)
hemophilia
has to do with factor 8; excessive bleeding by heredity lack of blood clotting factors ( 8 or 9) necessary for blood clotting
purpura
multiple pinpoint hemorrhages and accumulation of blood under the skin
petechiae
tiny purple or red flat spots appearing on the skin as a result of hemorrhages
ecchymoses
larger blue or purplish patches on the skin (bruises)
autoimmune thrombocytopenia purpura
person makes an antibody that destroys platelets; bleeding time is prolonged