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AR Chapter 9

Blood and Lymphatic System

QuestionAnswer
embolus dislodged, circulating clot
agglutination clumping of cells as a result of interaction with specific antibodies
albumin a plasma protien, helps maintain blood volume and blood pressure
allergens a substance that can produce a hypersensitive reaction in the body
anaphylaxis an exaggerated life-threatening hypersensitivity reaction to a previously encountered antigen
antibodies substances produced by the body in response to bacteria, viruses, or other foreign substances
antigens a substance, usually a protein, that causes the formation of an antibody and reacts specifically with that antibody
coagulation the process of transforming a liquid into a solid
dyscrasia an abnormal condition of the blood or bone marrow
edema the abnormal accumulation of fluid in interstitial spaces of tissues
erythrocyte a mature red blood cell
erythropoietin a hormone synthesized mainly in the kidneys and released into the bloodstream in response to anoxia (lack of oxygen)
hematologist a medical specialist in the field of hematology
hemoglobin a complex protein-iron compound in the blood that carries oxygen to the cells from the lungs and carbon dioxide away from the cells to the lungs
hemorrhage a loss of a large amount of blood in a short period of time
hyperalbuminemia an increased level of albumin in the blood
hyperlipemia an excessive level of blood fats, also known as hyperlipidemia
leukocyte a white blood cell
leukocytopenia abnormal decrease in number of white blood cells
pancytopenia a marked reduction in the number of red blood cells, white blood cells, and platelets
plasma the watery, straw-colored, fluid portion of the lymph
platelet a clotting cell; a thrombocyte
septicemia systemic infection
serology branch of laboratory medicine that studies blood serum
serum plasma-fibrogen
splenomegaly an abnormal enlargement of the spleen
thrombocyte a clotting cell; a platelet
thrombus a clot
aquired immunity having had the disease or from having received an immunization against a disease
edema the accumulation of fluid within the tissue spaces
hypersensitivity an abnormal condition characterized by an excessive reaction to a particular stimulus
immunity the state of being resistant to or protected from a disease
immunotherapy a special treatment of allergic responses that administers increasingly large doses of the offending allergens to gradually develop immunity
local reaction a reaction to treatment that occurs at the site it was administered
lymphocyte originating from fetal stem cells and developing in the bone marrow
natural immunity immunity with which we are born
pathogens disease-producing microorganisms
susceptible a sate of having a lack of resistance
anemia condition in which there is a decrease in hemoglobin
aplastic anemia pancytopenia - inadequacy of the formed blood elements (RBCs, WBCs, and platelets)
hemolytic anemia extreme reduction in circulating RBCs due to their destruction
iron deficiency anemia characterized by deficiency of hemoglobin level due to a lack of iron
pernicious anemia results from a deficiency of mature RBCs due to lack of vitamin B12
sickle cell anemia chronic hereditary form of hemolytic anemia in which the RBCs become shaped like a crescent in the presence of low oxygen concentration
hemophilia involves different hereditary inadequacies of coagulation factors
leukemia excessive uncontrolled increase of immature WBCs in the blood
polycythemia vera abnormal increase in the number of RBCs, granulocytes, and thrombocytes - leading to an increase in blood volume and viscosity (thickness)
purpura pinpoint hemorrahages appearing as red-purple skin discolorations
thalassemia hereditary form of hemolytic anemia in which the hemoglobin is deficient
Coomb's test Rh incompatibility between a pregnant Rh negative woman and her Rh positive fetus
bleeding time measurement of the time required for bleeding to stop
blood transfusion administration of blood or a blood component to an individual to replace blood lost through surgery, trauma, or disease
complete blood cell count (CBC) series of tests performed on peripheral blood, which inexpensively screens for problems
erythrocyte sedimentation rate (ERS) test performed on the blood, which measures the rate at which red blood cells settle out in a tube of unclotted blood
hematocrit RBC "percentage" in the total blood volume
hemoglobin test concentration measurement of the hemoglobin in the peripheral blood
lipid profile measures the lipids in the blood
platelet count the count of platelets per cubic millimeter of blood
prothrombin time (PT) blood test used to evaluate; clot formation
red blood cell count (RBC) measurement of the circulating number of RBCs
red blood cell morphology examination of the RBC on a stained blood smear that enables the examiner to identify the form and shape of the RBCs
reticulocyte count measurement of the number of circulating reticlocytes
Schilling test a diagnostic analysis for pernicious anemia
white blood cell (WBC) count measurement of the circulating number of WBCs
white blood cell differential measurement of the percentage of the each specific type of circulating WBCs
AIDS acquired immunodeficiency syndrome
Kaposi'a sarcoma malignant neoplasm of the blood vessels associated with AIDS
lymphoma lymphoid tissue neoplasm that is typically malignant
mononucleosis Epstein-Barr virus (EVB), known as kissing disease
enzyme-linked immunosorbent assay (ELISA) blood test used for screening for an antibody to the AIDS virus
lymphangiogram x-ray assessment of the lymphatic system following injection of a "contrast medium" into the lymph vessels
Created by: maxphia32