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Blood Composition and WBC Count

What are the RBC components of the cellular portion of the blood? Erythrocytes
What are the WBC components of the cellular portion of the blood? Leukocytes
What are the Platelet components of the cellular portion of the blood? Thrombocytes
What is the main component of the fluid portion of the blood? 91.5% water
How would blood settle in an anticoagulated tube from top to bottom? Plasma, Buffy Coat, RBCs
What is the difference between serum and plasma? Serum is plasma with fibrinogen and clotting factors removed
What anticoagulant is in a lavender tube? EDTA
What anticoagulant is in a gold or Red tube? None
What anticoagulant is in a blue tube? Sodium Nitrate
What test is a lavender tube primarily used for? Hemotology study, complete CBC
What test is a gold tube primarily used for? Chemistry
What test is a blue tube primarily used for? PT & PTT, coagulation studies
What test is a red tube primarily used for? Chemistry
What 2 samples are unacceptable for hematologic study? Hemolyzed, Partially clotted
What is leukocytosis? Increased WBC count
What causes leukocytosis? Acute bacterial infections, pneumonia.
What is leukopenia? Degreased WBC count, below normal
What causes leukopenia? Decreased production of WBCs, viral infection, influenza
What are the normal values for an adult WBC? 4,000 - 11,000
What is an example of a critical WBC count value? Less than 2,000 or more than 50,000
What tests make up a complete CBC? RBC count, WBC count, Hemoglobin, Hematocrit, Differential, Red Cell Indices, Platelet Estimate.
Created by: wenchie040