Chapter9 Flashcards
Acquired immunodeficiency Sydrome
AIDS- destroys the bodys immune system
Adenoids
mass of lymphatic tissue (pharyngeal tonsils)
Agglutination
Clumping of cells as a result of interaction of specific antibodies
Albumins
Normal blood volume and pressure
Allergy
Reaction to normally harmless antigens
Anaphylactic Shock or anaphylaxis
exaggerated, life-threatening hypersensitivity
Anaphylaxis
Life- threatening reaction to an antigen
Anemia
a decrease in quantity of hemoglobin in the blood causes oxygen deficiency
Anemia, Aplastic
lack of formation of blood elements ‘bone marrow depression anemia’
Anemia, Iron deficiency
deficiency of hemoglobin due to lack of iron in the body
Anemia, Sickle Cell
Chronic hereditary form, RBCs become crescent-shaped in presence of low oxygen concentration
Antibodies
Substance, a protien that causes the formation of an antibody
Antibody
protein that is anti foriegn substances in response to bacteria
Antigen
Generates the formation of antibodies
Ascites
Abnormal accumulation of fluid containing large amounts of protien and electrolytes within the peritoneal cavity
Basophil
White blood cells characterized by cytoplasmic granules
Bilriubin
Orange-Yellow pigment of bile caused by the breakdown of hemoglobin in read blood cells at end of normal life span
Bleeding time
Mesurement of time required for bleeding to stop
Bone Marrow Biopsy
Microscopic exam of bone marrow tissue
Coagulation
Process of transformin a liquid into a solid
Complete Blood Cell Count
CBC- tests performed to screen for problems in the body
Corpuscle
Any cell of the body
CT (CAT) Scan
x-ray images taken from various angles following injection of a contrast medium
Cytomegalvirus
herpes type virus causes serious illness in persons with AIDS
Differentiation
Where unspecialized cells or tissues are modified and altered for specific functions or properties
Direct antiglobulin test
blood test on pregnant RH negative women and RH positive fetus
Donor
Person gives blood
Dyscrasia
Abnormal condition of blood or bone marrow
Edema
Abnormal accumulation of fluid in interstital spaces of tissues
Electrophoresis
Movement of charged particals through a liquid medium by changes in electric field
Enzyme
Organic substance initiates and accelerates a chemical reaction
Enzyme-linked immunosorbent Assay
ELISA- blood test used for screening for antibody to the AIDS virus
Eosinophil
A granulocytic, bilobed leukocyte charaterized by large number of coarse, refractile, cytoplasmic granules
Erythremia
Abnormal increase in the number of red blood cells
Erythrocyte Sedimentation Rate
ESR- measures the rate of red blood cells settle out in a tube of unclotted blood “sed rate”
Erythropoiesis
Process of red blood cell production
Erythropoietin
Hormone released into bloodstream in response to anoxia (lack of oxygen) made by kidneys
Fibrinogen
Plasma protein converted to fibrin in the presence of calcium ions
Formed Elements
45% bone marrow suspended
Globin
Protein molecules bound by iron to form hemoglobin
Globulins
Transport lipids, vitamins in blood, function in immunity
Granulocytes
Leukocyte characterized by the presence of cytoplasmic granules
Granulocytosis
Abnormally elevated number of granulocytes in the circulating blood
Hematocrit
assessment of RBC percentage in total blood volume
Hematologist
Medical specialist in the field of hematology
Heme
Binds with and carries oxygen in the red blood cells
Hemochromatosis
Rare iron metablism disease, leaves iron deposits throughout the body
Hemoglobin
Complex protien-iron compound that carries oxygen to lungs and carbon away from lungs
Hemoglobin test
measurement of hemoglobin
Hemolysis
Breakdown of red blood cells
Hemophilia
inadequacies of coagulation, prolonged bleeding times
Hemorrhage
Loss of a large amount of blood in a short period of time
Heparin
Anticlotting factor present in the body
HIV
have virus but no symptoms
Hyperalbuminemia
Increased level of albumin in the blood
Hyperbilirubinema
Greater than normal amounts of the bile pigment in the blood
Hyperlipemia
Excessive level of blood fats
Hyperlipidemia
Excessive flow of blood fats
Hypersensitivity
excessive reaction to a particular stimulus, allergic reaction triggered by an allergen
Hypersplenism
syndrome involving deficiency of one or more types of blood
Immune reaction
response to invader
Immunization
process of creating immunity to a specific disease
Immunologist
health specialist whose training and experience is concentrated in immunology
Immunotherapy
administers increasingly large doses of the offending allergens to develop immunity
Ion
Electrically charged particle
Leukemia
Excessive uncontrolled increase of immature WBCs in the blood
Leukocyte
White Blood Cell (WBC) body’s main defense against pthogens
Leukopenia
Abnormal decrease in number of white blood cells
Lymph fluid
stems from the blood and tissue fluid rich in wbcs
Lymph nodes (lymph glands)
located at various intervals for filtering
Lymph vessels
return tissue fluid to blood
Lymphatic organs
thymus, spleen, tonsils
Lymphocyte
small, leukocytes originating from fetal stem cells and bone marrow
Macrophage
defense against infection and in disposal of products of breakdown of cells
Megakaryocyte
Extremely large bone marrow cell
Monocyte
Large mononuclear leukocyte
Multiple Myeloma
A malignant plasm cell neoplasm
Myasthenia gravis
autoimmune disease
Myeloid
Pertaining to bone marrow to spinal cord
Neutrophil
Polymorphonuetear granular leukocyte
Partial thromboplastin time
PTT- used to monitor heparin therapy
Phagocytosis
process of a cell engulfing and destroying bacteria
Pica
Craving to eat unusual substances
Plasma
55% Fluid portion of blood, erythrocytes, leukocytes, thrombocytes
Polycythemia
abnormal increase in the number of RBCs, granulocytes, and thrombocytes
Prothrombin
A plasma protein comes before thrombin , its made in the liver
Prothrombin time
PT- used to monitor coumadin therapy
Recipient
person that recives blood
Red blood cell morphology
Examination of the RBC on a stained blood smear
Reticlocyte count
measurement of number of circulating reticulocytes
Reticulocyte
Immature erythrocyte
Rouleaux
aggregation of RBC
Sarcoidosis
inflammatory disease resulting in the formation of multiple, small, round, leasions
Septicemia
Systemic infection in which pathogens are present in circulating bloodstream
Seroconversion
Change in the serologic tests from negative to positive
Serology
Branch of laboratory medicine studies blood serum
Serum
Clear, thin, sticky fluid portion of the blood
Stem cell
A formative cell
Thalassemia
Hereditary form of hemolytic anemia
Thrombin
An enzyme formed in plasma during clotting process
Thrombocytopenia
Reduction in platelets
Thromboplastin
Substance that initiates the clotting process
Thrombus
A clot
Type AB
Universal recipient, has no antibodies to cause clumping
Type O
Universal donor, blood has no antigens on RBC
White blood cell differential
percentage of each specific type of circulating WBCs present in blood
HCT
Hematocrit
PT
Prothrombin time
PTT
Partial thromboplasin time
RBC
Red blood cell (erythrocyte)
WBC
white blood cell (Leukocyte)
AIDS
Aquired immunodeficiency syndrome
ELISA
enzyme- linked immunosorbent assay
HIV
Human immunodeficiency virus