CC1 QUIZ2

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Across
  1. 2. Degree by which a method is easily repeated.
  2. 6. Level 1 QC containing normal analyte levels.
  3. 10. One observation exceeds ±2SD; warning rule.
  4. 13. Closeness of a value to repeated values.
  5. 14. Internal QC involving analysis of control samples and patient specimens.
  6. 15. Specimens analyzed for QC purposes.
  7. 18. Error always in one direction (e.g., calibration problems).
  8. 22. Control material with manufacturer-given expected limits.
  9. 23. Reference Lab for Biochemistry, Immunology, Serology.
  10. 24. Ability to maintain accuracy and precision over time.
  11. 26. A system ensuring accuracy and precision in the laboratory by using QC materials.
  12. 28. One set of rules used to interpret QC charts.
  13. 31. Patient does not have disease and test is negative.
  14. 33. Probability that a patient has disease if result is abnormal.
  15. 34. National External Quality Assurance Scheme.
  16. 36. Another QC chart also called Twin Plot.
  17. 38. National Reference Lab for Microbiology and Parasitology.
  18. 40. Applied QC principles in the 1950s.
  19. 42. A complete system of creating and following procedures and policies to provide reliable results.
  20. 44. Patient has disease but test is negative.
  21. 47. Error present in all measurements due to chance.
  22. 49. Values far from the main set due to random/systematic error.
  23. 50. Ability of a method to measure only the analyte of interest.
  24. 51. Probability that patient does not have disease if result is normal.
  25. 52. Bell-shaped normal distribution curve.
  26. 55. QC level below normal range in immunoassays.
  27. 56. Reference Lab for HIV, STD, Syphilis, Hepatitis.
  28. 57. Ability of a method to measure the smallest concentration of analyte.
Down
  1. 1. Level 2 QC containing abnormal analyte levels.
  2. 3. Two consecutive observations exceed ±2SD; reject rule for systematic error.
  3. 4. QC level higher than the upper limit.
  4. 5. Four consecutive observations exceed ±1SD; reject rule for systematic error.
  5. 7. Most widely used QC chart in labs.
  6. 8. Intervals of acceptable values with upper and lower limits.
  7. 9. Error dependent on analyte concentration.
  8. 11. Control values distributed on one side of mean for six days.
  9. 12. Patient does not have disease but test is positive.
  10. 16. Reference Lab for Environmental/Occupational Health, Toxicology, Micronutrients.
  11. 17. Control values continuously increase or decrease across runs.
  12. 19. Closeness of a value to the true value.
  13. 20. Alternative QC chart type.
  14. 21. Refers to the overall process to ensure lab results meet healthcare requirements.
  15. 25. Ten consecutive values on same side of mean; reject rule for systematic error.
  16. 27. Maximum tolerable error published by CLIA 88.
  17. 29. Determines how good a test is at detecting disease.
  18. 30. Coefficient of Variation; index of precision.
  19. 32. Patient has disease and test is positive.
  20. 35. Measure of variability (SD squared).
  21. 37. Control material where laboratory assigns limits.
  22. 39. Measure of central tendency.
  23. 41. Reference Lab for Hematology, Immunohematology, Anatomic Pathology.
  24. 43. External QC involving proficiency testing across laboratories.
  25. 45. Standard confidence limit of ±2SD in Clinical Chemistry.
  26. 46. Error with magnitude constant regardless of analyte.
  27. 48. College of American Pathologists proficiency program for external QC.
  28. 50. Standard deviation; most common measure of variation.
  29. 53. Difference between highest and lowest result exceeds ±2SD; reject rule for random error.
  30. 54. One observation exceeds ±3SD; reject rule for random error.