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chapter52 Hemotology

tubes, and terms

normocytic normal size cell
macrocytic larger than normal cell
microcytic small than normal cell
anisocytosis marked variation in size of the cell
poikilocytosis RBCs show marked variations in shape
normochromic proper amount of hgb
hpochromic not enought hgb-pale central area
most common type of anemia? iron deficiency anemia
ESR is elevated when? infection, tissue destruction, inflammatory disease
phlebotomy process of collecting blood or "bloodletting" as a therapeutic measure.
phlebotomist person trained to obtain blood specimens by venipuncture and capillary puncture techniques.
Number one rule for phlebotomist? provide high quality care to patient.
systemic cirulation blood flow from the heart to tissue capilaries and back to the heart.
pulmonary cirulation blood flow from the heart to lung capillaries and abck to the heart.
oxygen poor blood enters? right side of the heart
oxygen rich blood enters? left side of the heart.
what is capillary puncture? skin puncture in both adults and infants when need of small sample of blood.
arterioles small, tiny arteries
venules small tiny veins
sites for capillary punture fingers- fleshy surface of the distal segment of third finger or fourth finger
most common needle gauges 23,22,21, and 20
preferred choice of venipuncture? AC fossa
Can you draw blood from same side at IV? yes, IV must be turned off 10 min prior and above site.
light yellow ACD additive, FUO testing.
light blue Sodium citrate, PT PTT, bleeding disorder testing
red no additive, chemistry , blood banking testing.
gold/marble, red/ gray SST, Chemistry, thyroid testing.
green Lithium heparin, thyroid profile and stat chem testing
lavender EDTA, CBC, Hgb testing
Grey potassium oxalate, glucose, blood alchole testing.
neutrophil increase in appendicities and other disease process
basophil large blue granules in cells cytoplasm
eosinophil large red granules in cells cytoplasm
monocytes phagocytosis to clean up
lymphocytes destruction of viruses and immune response
What is the purpose of blood? supply nutrients and oxygen to all cells, remove waste products and fight infection.
Hematopoiesis formation of blood cells in bone marrow.
hemoglobin Hgb
hematocrit Hct
white blood cell WBC
red blood cell RBC
What is the most frequently ordered test? CBC- complete blood count.
erythropoetin hormone which triggers production of new RBCs
hemoglobinopathies several forms of abnormal hemoglolbin responsible for group of diseases.
hypochromis lack of hemoglobin
hemactometer precisely etched glass slid used as a counting chamber for blood cells.
ESR- erthrocyte sedimentation rate m/m of how far RBCs in a smaple fall in one hour.
function of WBC body defense
function of RBC transport of oxygen and carbon dioxide
function of Platelet stoppage of bleeding
What are the formed cellular elements of blood? WBC, RBC, and Platelet
What is plasma? liquid portion of whole blood that remains after blood has clotted.
Created by: jasra



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