Heme 2 -- Chapter 28 Test Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Hemostasis | Bleeding stops
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| Differential Count | Count of 100 WBCs on a stained smear for the purpose of determining the approximate percentage of each type of WBC
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| 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
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| Erythrocyte Sedimentation Rate (ESR) | Measurement of how far red cells fall in a given amount of blood in 1 hour
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| Thrombocyte | Platelets; necessary for coagulation/clotting
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| Normocyte | Normal sized cell
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| Monocyte | Largest WBC, has no granules in cytoplasm, irregular shaped nucleus, may contain holes in cytoplasm because it is active in phagocytosis
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| Macrocyte | Larger than normal sized RBC
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| Microcyte | Smaller than normal sized RBC
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| Leukocyte | AKA WBC; main function is immunity to fight infection
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| Lymphocyte | Smallest WBC; contains no granules in cytoplasm; elevated in viral infections
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| Serum | Liquid portion of blood after clotting takes place; contains no coagulation factors
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| Hematocrit | Percentage of packed RBCs in total volume of blood
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| Hemoglobin | Iron pigment on RBC that carries oxygen
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| Mean Corpuscular Value (MCV) | A measure of the average volume of a red blood corpuscle (or RBC).
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| Mean Corpuscular Hemoglobin (MCH) | The average mass of hemoglobin per red blood cell in a sample of blood
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| Mean Corpuscula Hemoglobin Concentration (MCHC) | A measure of the concentration of hemoglobin in a given volume of packed red blood cells
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| Prothrombin Time (PT) | A test used to help diagnose bleeding or clotting disorders
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| 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)
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| What is one function of hemoglobin? | Carry oxygen to cells throughout the body
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| What test is used as an indicator for the presence of inflammation? | ESR
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| What material are capillary tubes being switched to and why? | Plastic or mylar coated to reduce the risk of injuries due to broken tubes
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| 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
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| What anticoagulant is a heparinized capillary tube coated with? | Heparin
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| A microhematocrit tube fills by… | Capillary action
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| What is the most common method for prepping a blood smear? | Slide or wedge method
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| What are the two most common stains used in blood smears? | Wright and Giemsa
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| What objective on a microscope is used to perform the differential count? | Oil immersion objective
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| What does a U-shaped nucleus in a neutrophil indicate about a cell? | It is a band or stab
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| White Blood Cell Counts (normal values): | Adults -- 4,500 to 11,000/cu mm; Neonates -- 9,000 to 25,000/cu mm
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| Hemoglobin (normal values): | Males -- 13-18 g/dL; Females -- 12-16 g/dL; Neonates -- 15-20 g/dL
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| Hematocrit (normal values): | Males -- 42-52%; Females -- 36-45%; Neonates -- 44-64%
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