Basic Hematology
Across
- 3. MCV measures the average __________ of RBCs
- 4. a decrease in reticulocytes can imply ineffective erythropoiesis or __________ conditions
- 6. MCHC measures the __________ of Hb in RBCs, and is a ratio of Hb to RBCs
- 12. EDTA works by chelating ionized __________
- 15. a count of this RBC type can be used to assess the bone marrow's erythropoietic activity
- 16. higher plasma protein levels, rouleaux, and decreased negative charge of RBCs can all cause an __________ ESR
- 21. the Drabkin's reagent method of measuring hemoglobin is not preferred because of the production of __________ waste products
- 22. an MCV of greater than 100 indicates __________ RBCs
- 23. MCH measures the average __________ of Hb in RBCs
- 25. MCHC is used as an __________ for a CBC
- 26. Drabkin's reagent uses a __________ set to 540 nm
- 29. this stain is composed of methanol, eosin, and methylene blue
- 30. __________ retics are released in response to anemias
- 31. this phenomenon causes a raised MCHC and MCV with a lowered RBC count due to cell clumping
- 32. this diluent is a combination of glacial acetic acid, gentian violet, and distilled water
- 34. the purpose of diluents is to __________ RBCs
- 36. red cell indices help __________ the RBC population
- 37. the oxygen-carrying protein in RBCs
- 40. each square on a hemacytometer is __________ square mm
- 42. the study of blood
- 44. this is the most diagnostic tool used in hematology
- 45. heparin works as an anticoagulant by neutralizing __________ and complexing with antithrombin III
- 46. blood is composed of __________ percent plasma, 44 percent RBCs, and 1 percent WBCs
- 47. tri-sodium citrate is found in blue tops and is a __________
Down
- 1. an MCV of less than 80 indicates __________
- 2. a solution of phloxine B, propylene glycol, and distilled water is called _________ solution
- 5. plasma is mostly this
- 7. Drabkin's reagent is a colorimetric way to measure Hb by measuring this compound
- 8. an old mouth pipette no longer used in cell counts
- 9. two __________ on an erythrocyte histogram curve indicate two distinct RBC populations
- 10. the volume over one square on a hemacytometer is 0.1 __________
- 11. increased ESR can be indicative of an __________ disorder
- 13. improper mixing, over-filling the chanber, moving the glass cover, using a clotted specimen, or having bad technique or dilutions are all potential sources of error for this
- 14. red cell distribution width (RDW) interprets the variation of size, or __________ of RBCs
- 17. an MCHC between 32-36 percent indicates __________ RBCs
- 18. polycythemia and poikilocytosis can all cause an __________ ESR
- 19. a common staining reagent that stains acidic structures pinkish
- 20. a common stain that stains basic structures blue
- 24. hemolytic anemia, hemorrhage, treatment of IDA or MBA, uremia, or a newborn specimen can all be causes of __________ retics
- 27. clumping, RBC inclusions, and WBC cytoplasmic fragments are all sources of error when counting these on a hemacytometer
- 28. turk's solution stains the __________ of WBCs
- 33. the distance in millimeters that RBCs will fall in an hour
- 35. an MCHC of less than 32 percent indicates __________ RBCs
- 38. the presence of clots or hemolysis, adequate mixing, and the proper ratio of anticoagulant to blood are all important when assessing the acceptability of a __________
- 39. EDTA stands for ethylene diamine __________ acid
- 41. an absolute __________ includes segs and bands
- 42. icteric samples, a high WBC count, abnormal globins, and lipemia can all interfere with this type of specimen
- 43. insufficient drying time can cause __________ RBCs