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Embolus dislodged, circulating clot. small bit of fatty tissue or air that travels through the bloodstream until it becomes lodged inside a vessel.
Agglutination clumping of cells as a result of interaction with specific antibodies called agglutinins.
Albumin plasma protein. helps maintain blood volume and pressure.
Allergens substances that can produce a hypersensitive reaction in the body.
Anaphylaxis 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. each class of antibody is named for it's action.
Antigens 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, especially of the blood.
Dyscrasia abnormal condition of the blood or bone marrow, such as luekemia, aplastic anemia, or prenatal Rh incompatibility.
Edema abnormal accumulation of fluid in interstitial spaces of tissues.
Erythrocyte mature red blood cell.
Erythropoietin hormone synthesized mainly in the kidneys and released into the bloodstream in response to anoxia (lack of oxygen). acts to stimulate and regulate the production of erythrocytes and is thus able to increase the oxygen-carrying capacity of the blood.
Hematologist medical specialist in the field of hematology.
Hemoglobin 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 loss of large amount of blood in a short period of time, either externally or internally. It may be arterial, venous, or capillary.
Hyperalbuminemia increased level of albumin in the blood.
Hyperlipemia excessive level of blood fats, usually caused by a lipoprotein lipase deficiency or a defect in the conversion of low-density lipoproteins to high-density lipoproteins; also called hyperlipidemia.
Hyperlipidemia see hyperlipemia
Leukocyte white blood cell, one of the formed elements of circulating blood system
Leukocytopenia abnormal decrease in the number of white blood cells to fewer than 5,000 cells per cubic millimeter.
Pancytopenia marked reduction in the number of red blood cells, white blood cells, and platelets.
Plasma watery, straw-colored, fluid portion of the lymph and the blood in which the leukocytes, erythrocytes, and platelets are suspended.
Platelet a clotting cell; a thrombocyte.
Septicemia systemic infection in which pathogens are present in the circulating bloodstream, having spread from an infection in any part of the body.
Serology branch of laboratory medicine that studies blood serum for evidence of infection by evaluating antigen-antibody reactions.
Serum clear, thin, and sticky fluid portion of the blood that remains after coagulation. Serum contains no blood cells, platelets, or fibrinogen. also known as blood serum.
Splenomegaly abnormal enlargement of the spleen.
Thrombocyte a clotting cell; a platelet.
Thrombus a clot.
Anemia a condition in which there is a decrease in hemoglobin in the blood to levels below the normal range, resulting in a deficiency of oxygen being delivered to the cells
Aplastic Anemia inadequency of the formed blood elements (RBCs, WBCs, and platelets) characterized by pancytopenia. also called bone marrow depression anemia.
Hemolytic Anemia characterized by the extreme reduction in circulating RBCs due to their destruction.
Iron deficiency Anemia characterized by deficiency of hemoglobin level due to a lack of iron in the body. There is a greater demand on the stored iron than can be supplied by the body.
Pernicious Anemia results from deficiency of mature RBCs and the formation and circulation of megablasts with marked poikilocytosis and anisocytosis.
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 inadequencies of coagulation factors resulting in prolonged bleeding times.
Leukemia (ALL, AML, CML) excessive uncontrolled increase of immature WBCs in the blood eventually leading to infection, anemia, and thrombocytopenia (decreased number of platelets)
Polycythemia Vera abnormal increase in the number of RBCs, granulocytes, & thrombocytes-leading to an increase in blood volume and thickness.
Purpura collection of blood beneath the skin the form of pinpoint hemorrhages appearing as red-purple skin discolorations.
Thalassemia hereditary form of hemolytic anemia in which the alpha or beta hemoglobin chains are defective and the production of hemoglobin is deficient, creating hypochromic microcytic RBCs.
Coomb's Test used to discover the presence of antierythrocyte antibodies present in the blood of an Rh negative woman. also known as the direct antiglobulin (blood) test.
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 Count (CBC) series of tests performed on peripheral blood, which inexpensively screen for problems in the hematologic system as well as several other organ systems.
Erythrocyte Sedimentation Rate (ESR) test performed on the blood, which measures the rate at which red blood cells settle out in a tube of unclotted blood. the ESR is determined by measuring the settling distance of RBCs in normal saline over one hour.
Hematocrit assessment of 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 the common pathway and extrinsic system of clot formation.
Red Blood Cell Count measurment of the circulating number of RBCs in 1 mm3 of peripheral blood.
Red Blood Cell Morphology examination of the RBC on a strained blood smear that enables the examiner to identify the form and shape of the RBCs.
Reticulocyte Count measurement of the number of circulating reticulocytes, immature erythrocytes, in a blood specimen.
Schilling Test diagnostic analysis for pernicious anemia.
White Blood Cell Count (WBC) Measurement of the circulating number of WBCs in 1 mm3 of peripheral blood.
White Blood Cell Differential measurement of the percentage of each specific type of circulating WBCs present in 1 mm3 of peripheral blood drawn for the WBC count.
Acquired Immunity result of the blood developing the ability to defend itself against a specific agent, as a result of having had the disease or from having received an immunization against a disease.
Edema accumulation of fluid within the tissue spaces.
Hypersensitivity abnormal condition characterized by an excessive reaction to a particular stimulus.
Immunity state of being resistant to or protected from a disease.
Local Reaction reaction to treatment that occurs at the site it was administered.
Lymphocyte small, agranulocytic leukocytes originating from fetal stem cells and developing in the bone marrow.
Natural Immunity immunity in which we are born; also called genetic immunity.
Pathogens disease-producing microorganisms.
Susceptible a state of having a lack of resistance to pathogens and other harmful agents.
Acquired Immunodeficiency Syndrome (AIDS) involves clinical conditions that destroy the body's immune system in the last or final phase of a human immunodeficiency virus (HIV) infection, which primarily damages helper T cell lymphocytes with CD4 receptors.
Kaposi's Sarcoma locally destructive malignant neoplasm of the blood vessel associated with AIDS- typically forming lesions on the skin, visceral organs, or mucous membranes.
Lymphoma lymphoid tissue neoplasm that is typically malignant- beginning with a painless enlarged lymph node(s) and progressing to anemia, weakness, fever, and weight loss.
Mononucleosis usually caused by the Epstein-Barr virus (EBV). typically is a benign self-limiting acute infection of the B lymphocytes.
ELISA is a blood test used for screening an antibody to the AIDS virus.
Lymphangiogram X-ray assessment of the lymphatic system following injection of a contrast medium into the lymph vessels in the hand or foot.
Created by: kmariemurray