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QA & C (internal)

ABG quality assurance and control

QuestionAnswer
Define Quality Assurance Total quality of reported results
Define Quality Control Maintenance and validation of the measuring system
What is the normal accepted limits of variation for routine quality control measures? +/-2 standard deviations (95%) from the mean
Define a random error (what is it also referred to as?) An isolated result outside of the control limits and has minor significance. Also referred to as a dispersion.
Define trending (systemic error) Progressive controls increase or decrease
Define shifting (systemic error) Abrupt change in measurement followed by clustering
Created by: bcarew
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