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ATI-MedS-Hematology
ATI-MedSurge-HEMATOLOGY
| Question | Answer |
|---|---|
| RBC: reference range | F: 4.2 - 5.4 m/uL; M: 4.7 - 6.1 m/uL |
| WBC: reference range | 5,000 - 10,000 uL |
| MCV (measurement of weight of RBCs): reference range | 80 - 95 mm3 |
| MCH (measurement of size of RBCs): reference range | 27 - 31 pg/cell |
| TIBC (Total Iron Binding Capacity): reference range | 250 - 460 mcg/dL |
| Iron: reference range | F: 60 - 160 mcg/dL; M: 80 - 180 mcg/dL |
| Platelets: reference range | 150,000 to 400,000 mm3 |
| Hgb: reference range | F: 12 - 16 g/dL; M: 14 - 18 g/dL |
| Hct: reference range | F: 37 - 47%; M: 42 - 52% |
| PT: reference range | 11 - 12.5 sec (ati) / 11 - 16 sec(textbook) |
| aPTT: reference range | 1.5 to 2(desired range for anti-coagulation) |
| Decreased level of RBCs can be evidence of? | anemia |
| Elevated level of WBCs can be evidence of? | infection |
| Decreased level of WBCs can be evidence of? | immunosuppression |
| Elevated level of MCVs can be evidence of? | macrocytic (large) cells, possible anemia |
| Decreased level of MCVs can be evidence of? | microcytic (small) cells, possible iron deficiency anemia |
| Elevated level of MCHs can be evidence of? | macrocytic (large) cells, possible anemia [but measure amt. of Hgb by weight per RBC] |
| Decreased level of MCHs can be evidence of? | microcytic (small) cells, possible iron deficiency anemia [but measure amt. of Hgb by weight per RBC] |
| Elevated level of TIBC can be evidence of? | iron deficiency |
| Decreased level of TIBC can be evidence of? | anemia, hemolysis, or hemorrhage |
| Elevated level of Platelets, Hgb, Hct can be evidence of? | malignancy or polycythemia vera |
| Polycythemia vera is? | a blood disorder in which the bone marrow makes too many red blood cells |
| Decreased level of Platelets, Hgb, Hct can be evidence of? | autoimmune disease, bone marrow suppression |
| Increased PT time can be evidence of? | deficiency or clotting |
| Decreased PT time can be evidence of? | evidence of vitamin K excess |
| aPTT measures? | the intrinsic clotting factors |
| aPTT is monitored for _____ therapy. | heparin |
| Increased aPTT time can be evidence of? | hemophilia, disseminated intravascular coagulation (DIC), or liver disease |
| INR: reference range | 2 - 3 on warfarin therapy |
| D-dimer: reference range | 0.43 - 2.33 mcg/mL; 0 - 250 ng/mL |
| Fibrinogen levels: reference range | 170 - 340 mg/dL |
| Fibrin degradation products (FDP): reference range | < 10 mcg/mL |
| INR measures? | mean of PT |
| D-dimer measures? | hypercoagulability of blood |
| Elevated D-dimer can be evidence of? | a clot formation |
| Fibrinogen levels measures? | available fibrinogen for clotting |
| Decreased Fibrinogen levels can be evidence of? | decreased ability to clot |
| Elevated FDP can be evidence of? | clot dissolving activity (fibrinolysis) is occurring |
| FDP monitors? | the efficacy of medications for DIC |
| Preliminary results of hemotologic tests are available within _____ to _____ hrs, final in _____ hrs? | 24, 48, 72 |
| Pt. presents to ED, reports thirst, tiredness, difficulty concentrating, nurse should suspect _____ and get lab for _____? | anemia; Hgb |
| To confirm hemophilia, _____ test should be ordered. | aPTT |
| Bone Marrow Biopsy is used to diagnose? | cell type, confirm/rule out malignancy, blood disorders aspiration, thrombocytopenia |
| Pt. position during bone marrow procedure? | prone or decubitus (side lying) to expose posterior iliac crest; knees flexed |
| Bone Marrow Biopsy is usually done with _____ anesthesia? | local |
| 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 |
| Risk of bleeding during a Bone Marrow Biopsy is (high / low) | low, procedure can be done even with thrombocytopenia present |
| Bone Marrow Biopsy is done (before / after) a Bone Marrow Aspiration? | after; using same aspirate site for biopsy needle entry |
| Prior to removal of biopsy needle, surgeon should? | rotate needle 360 deg. clock/counter clockwise, rock back and forth, turn while rotating |
| Biopsy specimen should be ____ cm in length from an adult. | 2 cm |
| Lymphocyte: reference range | 20% - 40% |
| 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 |
| Reticulocytes mature into RBCs in about _____. | 1 day |
| Platelets form from _____ in the bone marrow. | megakaryocutes |
| Lifespan of platelets is approximately _____. | 10 days |
| Plethora (ruddy skin color) may be indicative of? | polycythemia (excessive RBCs) |
| Hemoglobin measures? | gas carry capacity of RBCs |
| Hemoglobin : reference range | F: 11.7 - 16.0 / M: 13.2 - 17.3 g/dL |
| Hematocrit is a measurement of? | packed cell volume of RBCs expressed as a percentage of the total blood volume |
| Hematocrit : reference range | F: 35% - 47% / M: 39% to 50% |
| Bence Jones Protein is usually found in urine studies of pts. with? | multiple myeloma |
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