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Module 4

Heme 2 -- Chapter 28 Test Review

Hemostasis Bleeding stops
Differential Count Count of 100 WBCs on a stained smear for the purpose of determining the approximate percentage of each type of WBC
Complete Blood Count (CBC) Group of blood tests that include hemoglobin, hematocrit, RBC and WBC counts, differential count, platelet count or estimate and RBC indicies
Erythrocyte Sedimentation Rate (ESR) Measurement of how far red cells fall in a given amount of blood in 1 hour
Thrombocyte Platelets; necessary for coagulation/clotting
Normocyte Normal sized cell
Monocyte Largest WBC, has no granules in cytoplasm, irregular shaped nucleus, may contain holes in cytoplasm because it is active in phagocytosis
Macrocyte Larger than normal sized RBC
Microcyte Smaller than normal sized RBC
Leukocyte AKA WBC; main function is immunity to fight infection
Lymphocyte Smallest WBC; contains no granules in cytoplasm; elevated in viral infections
Serum Liquid portion of blood after clotting takes place; contains no coagulation factors
Hematocrit Percentage of packed RBCs in total volume of blood
Hemoglobin Iron pigment on RBC that carries oxygen
Mean Corpuscular Value (MCV) A measure of the average volume of a red blood corpuscle (or RBC).
Mean Corpuscular Hemoglobin (MCH) The average mass of hemoglobin per red blood cell in a sample of blood
Mean Corpuscula Hemoglobin Concentration (MCHC) A measure of the concentration of hemoglobin in a given volume of packed red blood cells
Prothrombin Time (PT) A test used to help diagnose bleeding or clotting disorders
International Normalized Ratio (INR) A calculation based on results of a PT and is used to monitor individuals who are being treated with the blood-thinning medication (anticoagulant)
What is one function of hemoglobin? Carry oxygen to cells throughout the body
What test is used as an indicator for the presence of inflammation? ESR
What material are capillary tubes being switched to and why? Plastic or mylar coated to reduce the risk of injuries due to broken tubes
Would a COPD Pt have an increase or decreased hemoglobin level? Increased as a result of the body compensating for the lack of oxygen supply in Pts with lung disease
What anticoagulant is a heparinized capillary tube coated with? Heparin
A microhematocrit tube fills by… Capillary action
What is the most common method for prepping a blood smear? Slide or wedge method
What are the two most common stains used in blood smears? Wright and Giemsa
What objective on a microscope is used to perform the differential count? Oil immersion objective
What does a U-shaped nucleus in a neutrophil indicate about a cell? It is a band or stab
White Blood Cell Counts (normal values): Adults -- 4,500 to 11,000/cu mm; Neonates -- 9,000 to 25,000/cu mm
Hemoglobin (normal values): Males -- 13-18 g/dL; Females -- 12-16 g/dL; Neonates -- 15-20 g/dL
Hematocrit (normal values): Males -- 42-52%; Females -- 36-45%; Neonates -- 44-64%
Created by: monkmaroni