TEST BANK FOR RODAK’S HEMATOLOGY 6TH EDITION BY WALENGA CHAPTER QUIZES

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2. Chapter 02-02 A patient’s white blood cells (WBCs) are counted on an automated cell counter 10 times. The mean white count is 8000/mL, and the standard deviation (SD) is 300. What is the coeff... icient of variation (CV)? a. 0.04% b. 2.6% *c. 3.8% d. 26% What does the CV calculated in Question 2 describe about the white cell counts? a. Accuracy b. Reliability c. Proper calibration *d. Precision 4. Chapter 02-04 A patient specimen is analyzed on an instrument known to be in control from previous assays performed on a calibrated instrument and gives a hemoglobin result of 13.2 g/dL. Two hours later it is evaluated on another instrument that is being evaluated for purchase by the laboratory. The result is 11.8 g/dL. This result, when compared with the first, is: a. acceptable agreement. b. reportable. c. precise agreement. *d. inaccurate. 5. Chapter 02-05 Which is true regarding reference ranges? a. Should be derived from reference books b. Need to be determined only for adults c. Can be established by running the test procedure on 10 healthy people *d. Are ranges of values for an analyte in normal healthy people [Show More]

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