ATI-MedSurge-HEMATOLOGY
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RBC: reference range | F: 4.2 - 5.4 m/uL; M: 4.7 - 6.1 m/uL
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WBC: reference range | 5,000 - 10,000 uL
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MCV (measurement of weight of RBCs): reference range | 80 - 95 mm3
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MCH (measurement of size of RBCs): reference range | 27 - 31 pg/cell
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TIBC (Total Iron Binding Capacity): reference range | 250 - 460 mcg/dL
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Iron: reference range | F: 60 - 160 mcg/dL; M: 80 - 180 mcg/dL
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Platelets: reference range | 150,000 to 400,000 mm3
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Hgb: reference range | F: 12 - 16 g/dL; M: 14 - 18 g/dL
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Hct: reference range | F: 37 - 47%; M: 42 - 52%
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PT: reference range | 11 - 12.5 sec (ati) / 11 - 16 sec(textbook)
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aPTT: reference range | 1.5 to 2(desired range for anti-coagulation)
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Decreased level of RBCs can be evidence of? | anemia
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Elevated level of WBCs can be evidence of? | infection
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Decreased level of WBCs can be evidence of? | immunosuppression
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Elevated level of MCVs can be evidence of? | macrocytic (large) cells, possible anemia
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Decreased level of MCVs can be evidence of? | microcytic (small) cells, possible iron deficiency anemia
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Elevated level of MCHs can be evidence of? | macrocytic (large) cells, possible anemia [but measure amt. of Hgb by weight per RBC]
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Decreased level of MCHs can be evidence of? | microcytic (small) cells, possible iron deficiency anemia [but measure amt. of Hgb by weight per RBC]
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Elevated level of TIBC can be evidence of? | iron deficiency
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Decreased level of TIBC can be evidence of? | anemia, hemolysis, or hemorrhage
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Elevated level of Platelets, Hgb, Hct can be evidence of? | malignancy or polycythemia vera
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Polycythemia vera is? | a blood disorder in which the bone marrow makes too many red blood cells
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Decreased level of Platelets, Hgb, Hct can be evidence of? | autoimmune disease, bone marrow suppression
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Increased PT time can be evidence of? | deficiency or clotting
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Decreased PT time can be evidence of? | evidence of vitamin K excess
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aPTT measures? | the intrinsic clotting factors
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aPTT is monitored for _____ therapy. | heparin
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Increased aPTT time can be evidence of? | hemophilia, disseminated intravascular coagulation (DIC), or liver disease
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INR: reference range | 2 - 3 on warfarin therapy
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D-dimer: reference range | 0.43 - 2.33 mcg/mL; 0 - 250 ng/mL
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Fibrinogen levels: reference range | 170 - 340 mg/dL
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Fibrin degradation products (FDP): reference range | < 10 mcg/mL
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INR measures? | mean of PT
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D-dimer measures? | hypercoagulability of blood
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Elevated D-dimer can be evidence of? | a clot formation
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Fibrinogen levels measures? | available fibrinogen for clotting
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Decreased Fibrinogen levels can be evidence of? | decreased ability to clot
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Elevated FDP can be evidence of? | clot dissolving activity (fibrinolysis) is occurring
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FDP monitors? | the efficacy of medications for DIC
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Preliminary results of hemotologic tests are available within _____ to _____ hrs, final in _____ hrs? | 24, 48, 72
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Pt. presents to ED, reports thirst, tiredness, difficulty concentrating, nurse should suspect _____ and get lab for _____? | anemia; Hgb
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To confirm hemophilia, _____ test should be ordered. | aPTT
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Bone Marrow Biopsy is used to diagnose? | cell type, confirm/rule out malignancy, blood disorders aspiration, thrombocytopenia
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Pt. position during bone marrow procedure? | prone or decubitus (side lying) to expose posterior iliac crest; knees flexed
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Bone Marrow Biopsy is usually done with _____ anesthesia? | local
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If an infection of the bone is suspected, the Bone Marrow Biopsy procedure can still be performed (Yes or No) | No, procedure should be held
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Risk of bleeding during a Bone Marrow Biopsy is (high / low) | low, procedure can be done even with thrombocytopenia present
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Bone Marrow Biopsy is done (before / after) a Bone Marrow Aspiration? | after; using same aspirate site for biopsy needle entry
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Prior to removal of biopsy needle, surgeon should? | rotate needle 360 deg. clock/counter clockwise, rock back and forth, turn while rotating
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Biopsy specimen should be ____ cm in length from an adult. | 2 cm
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Lymphocyte: reference range | 20% - 40%
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WBC Differential (measures if each kind of cell is present in proper proportion): reference range | neutrophil 0.5-0.7 / eosinophil 0.0-0.4 / basophil 0.0-0.2 / lymphocyte 0.2-0.4 / monocyte 0.04-0.08
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Reticulocytes mature into RBCs in about _____. | 1 day
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Platelets form from _____ in the bone marrow. | megakaryocutes
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Lifespan of platelets is approximately _____. | 10 days
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Plethora (ruddy skin color) may be indicative of? | polycythemia (excessive RBCs)
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Hemoglobin measures? | gas carry capacity of RBCs
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Hemoglobin : reference range | F: 11.7 - 16.0 / M: 13.2 - 17.3 g/dL
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Hematocrit is a measurement of? | packed cell volume of RBCs expressed as a percentage of the total blood volume
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Hematocrit : reference range | F: 35% - 47% / M: 39% to 50%
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Bence Jones Protein is usually found in urine studies of pts. with? | multiple myeloma
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