What should you do with the tube of blood right after you get a sample? correct answers rock tube to mix blood with anticoagulant to prevent clotting
What is the most common hematology blood test ordered? correct answers CBC with peripheral smear
What is the purpose of a CBC and peripheral sm...
CBC - Complete Blood Count (A+ Graded)
What should you do with the tube of blood right after you get a sample? correct answers rock tube to mix blood with anticoagulant to prevent clotting
What is the most common hematology blood test ordered? correct answers CBC with peripheral smear
What is the purpose of a CBC and peripheral smear? correct answers quantify WBC, RBC, and platelets in venous blood and examines WBC and RBC for morphology
Total white cell count correct answers WBC
Red blood cell count correct answers RBC
% of the whole blood comprised of RBCs correct answers hematocrit (Hct)
CBC elements correct answers WBC, RBC, hemoglobin, hematocrit, MCV, MCH, MCHC, RDW, white cell differential, platelet count
What is the H&H? correct answers hemoglobin and hematocrit
quantity of hemoglobin in the blood correct answers hemoglobin (Hb)
What will anemia look like on H&H? correct answers low
What will polycythemia look like on H&H? correct answers high
Two confounding factors that through off H&H numbers correct answers dehydration and insufficient filling of purple tube top
hematocrit is typically how many times greater than hemoglobin correct answers 3x
What happens to hemoglobin levels at higher altitude? correct answers hemoglobin increases for more O2
MCV correct answers mean corpuscular volume (volume of the cell)
MCH, MCHC correct answers concentration of hemoglobin
Microcytic anemia correct answers small cells
normocytic correct answers normal cell size
macrocytic correct answers large cell size The variation in size of RBCs in a sample is measured by what? correct answers RDW
many different sizes, high RDW correct answers anisocytosis
weird shaped cells, many causes correct answers poikilocytosis
low MCHC, hypochromic, polychromasia when reticulocytes correct answers moderately severe iron deficiency
high MCHC, poikilocytosis with sickle shapes correct answers sickle cell anemia
What is the order of WBC count from most prevalent to least prevalent? correct answers neutrophils, lymphocytes, monocytes. eosinophils, basophils
What is a white cell differential? correct answers percentages of white blood cells in blood
What is the most common granulocyte? correct answers neutrophils
high number of neutrophils correct answers neutrophilia (most common cause of leukocytosis)
low number of neutrophils correct answers neutropenia (most common cause of leukopenia)
How does neutropenia impact our immune system? correct answers impairs ability to fight infection
high number of lymphocytes correct answers lymphocytosis
low number of lymphocytes correct answers lymphopenia
What would WBC of <4000 or >12,000 or >10% band cells indicate correct answers sepsis
Patient has ANC <500 which is severe neutropenia this may have been caused by drugs, total body irradiation, chemotherapy, myelofibrosis. What should you do? correct answers hospitalize and place them in neutropenic isolation
severely reduced WBC, RBC, H&H, and platelet. Often fatal correct answers aplastic anemia
slightly low H&H, low RBC, +/- low WBC correct answers hypoplastic anemia
In leukocytosis what does "shift to the left" mean? correct answers immature cells seen in WBC differential due to severe bacterial infection or leukemia
high % of lymphocytes (common in viral infections) correct answers lymphocytosis
what condition would you see atypical lymphs in? correct answers mononucleosis
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