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Module 4
Heme 2 -- Chapter 28 Test Review
| Question | Answer |
|---|---|
| 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
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