Chapter 12: The Blood System - 25 tough terms Flashcards
Erythropoietin
Hormone released by the kidneys to stimulated red blood cell production
Gamma Globulin
Family of protein in blood plasma, arise in lymphatic tissue and function as part of the immune system
Alpha and Beta Globulin
Families of protein in blood plasma, joined in liver transport lipids and fat soluble vitamins
Hematocrit
Measure of percentage of red blood cells in a blood sample
Measure of packed red blood cells in a sample
Hematocytoblast
Most immature blood cell, stem cell, in bone marrow
Megakaryocyte
Large cells in red bone marrow that form platelets
MCH
Mean corpuscular hemoglobin
MCHC
Mean corpuscular hemoglobin concentration
-concentration of hemoglobin in red blood cells
MCV
Mean corpuscular volume
-average red blood cell volume
PCV
Packed cell volume
PT
Prothrombin time
PTT
Partial thromboplastin time
Test for ability to coagulate
APTT
Activated partial thromboplastin time
PMN
Polymorphonuclear neutrophil
Anisocytosis
Condition with abnormal variation in size of red blood cell
Dyscrasia
Any disease with abnormal particles in the blood
Erythroblastosis fetalis
Incompatibility disorder between a mother with Rh negative and a fetus with Rh positive
Hemochromatosis
Hereditary condition with excessive iron buildup in the blood
Poikilocytosis
Disorder with irregularly shaped red blood cells
Polycythemia
Disorder with an abnormal increase in red blood cells and hemoglobin
Reticulocytosis
Disorder with an abnormal number of immature erythrocytes
Thalassemia
Hereditary disorder characterized by inability to produce sufficient hemoglobin
Thrombocytopenia
Bleeding condition with insufficient production of platelets
Von Willebrand’s disease
Hemorrhagic disorder with tendency to bleed from mucous membranes - lack of clotting factor called Factor VIII
Plasmapharesis
Process of removing blood from a person, centrifuging it, and returning only red blood cells to the person
Sider(o)-
Iron
Erythroclasis
fragmentation of RBCs
Dissolution of red blood cells
Lysemia
Normal red blood cell
normocyte
Irregularly shaped red blood cells
poikilocyte
white blood cell cancer
leukemia
types of anemia (7)
Iron deficiency anemia
Aplastic anemia - failure of bone marrow to produce enough red blood cells
Pernicious anemia - shape and number of rbcs changes due to lack of sufficient vitamin B12
Sickle cell anemia
Hemolytic anemia - characterized by destruction of rbcs
Posthemorrhagic anemia - results from sudden dramatic loss of blood
Thalassemia - inability to produce sufficient hemoglobin
