What is the quality control procedure of analysis and reporting on externally provided control media with unknown values?

a. Automated calibration
b. Performance validation
c. Proficiency testing
d. Preventive maintenance

ANS: C
Proficiency testing requires analysis and reporting on externally provided control media with un-known values, usually three times per year, with five samples per test.

Health Professions

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Which of the following is most commonly seen in the population older than70 years?

a. Chronic lymphocytic leukemia b. Chronic myelogenous leukemia c. Essential thrombocytosis d. Acute lymphocytic leukemia

Health Professions

The forecast of the probable course and outcome of a disorder and the prospects of recovery is called the ________. 

Fill in the blank(s) with the appropriate word(s).

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