Question

When there is a question about the validity of a test result, the best rule of thumb is

A) Assume the values are true because today's POCT machines are highly accurate.
B) Recalibrate the POCT machine in question.
C) Draw two samples, reanalyze one on the POCT, and send one to the central lab for comparison.
D) Check to make sure the calibration reagents are not out of date.
E) None of the above.

Answer 1

The best approach when questioning a test result's validity is to draw two samples, reanalyze one on the POCT machine and send the other to a central lab for comparison, ensuring accuracy and replicability.

Step-by-step explanation:

When there is a question about the validity of a test result, the best rule of thumb is to draw two samples, reanalyze one on the Point of Care Testing (POCT) machine, and send the other to the central lab for comparison. This ensures that any discrepancies are identified and that the results are both accurate and replicable. It is crucial to maintain quality control and ensure the validity of test results in healthcare settings to provide reliable patient care. In the case of variations in sample results, reevaluating data-taking methods and accuracy is essential, as highlighted in the experiences of a quality control chemist within the scenario provided. The chemist's methodology in determining the accuracy and precision of dispensing machines serves as an example of proper quality assurance practices.