MLS Chapter 5 CLIA waived hematology tests Questions and Answers

Anemia - A condition in which the red blood cells or hemoglobin level is below normal. Causes for False Decreased Rates in ESR - Extreme cold room temperatures, Taking a reading before the specified time range of 60 seconds Causes for False Increased Rates in ESR - Tilting the test tube, Vibrations, Extreme hot room temperature, Poor timing taking a reading after the specified time range of 60 seconds Complete Blood Count's 7 laboratory tests: - Red Blood Cell Count, White Blood Cell Count, Platelet Count, Hemoglobin (Hgb), Hematocrit (HCT), Differential, and Red Blood Cell Indices. Erythrocyte Sedimentation Rate - The rate at which red blood cells settle out of an anti coagulated blood specimen after 60 minutes. The result is reported as millimeters per hours Hematocrit Test - Measures the percentage of packed red blood cells that result after centrifuging a specimen and comparing the volume of the packed cells within the volume o