AMT MT Study Guide| 551 QUESTIONS| WITH COMPLETE SOLUTIONS

The three major phases of laboratory testing that a QA program should evaluate include a. mean, standard deviation, and coefficient of variation. b. pre-op, operative, and post-op. c. pre-analytical, analytical, and post-analytical. d. outpatient, inpatient, and non-patient. Correct Answer: c. pre-analytical, analytical, and post-analytical. The process by which test results achieve the same high levels of accuracy and precision that can be reproduced across measurement systems, laboratories and time is referred to as a. laboratory process control. b. laboratory calibration. c. laboratory standardization. d. laboratory verification. Correct Answer: c. laboratory standardization. What characteristics/functions do calibrators have? a. They contain a known amount of analyte being tested. b. They monitor the quality of reagents. c. They monitor the quality of the sample. d. They prevent equipment failure. Correct Answer: a. They contain a known amount of analyte being tested. An abrupt demonstrated change in the mean is a a. shift. b. trend. c. variance. d. deviation. Correct Answer: a. shift. Qualitative examinations are those that a. qualify for waived testing. b. produce non-numerical results. c. do not require quality control. d. do not require proficiency testing. Correct Answer: b. produce non-numerical results. A property of a test that is used to describe its quality (such as accuracy, precision, sensitivity, etc.) is a a. performance characteristic.