Which one of the following statements concerning internal quality control (IQC) is INCORRECT?Group of answer choicesInternal quality control materials can be pooled from different patient seraWithin-run has a larger extent of imprecision than between-runAt least 20 repeat samples are required to establish control limitsA 4-1s rule is defined as four consecutive values greater than one-standard deviation on the same side of mean

Which one of the following statements regarding internal quality control (IQC) is INCORRECT?Group of answer choicesOn a Levey-Jenning chart of 5 consecutive runs using the levels 1 and 2 control materials (QC1 and QC2), one QC2 data falls between the 2- and 3-standard deviation (+/-2SD and +/- 3SD) limits. All previous QC values are under the +/- 2SD limits. It is valid to report the patient results in this instance.Repeatedly running the IQC will rectify an analytical issue associated with systematic errorSystematic error has a proportional bias off the target value.A possible cause of random error is due to failure in the automated sampling system.

Select all that applyWhich of the following are components of internal control?Multiple select question.MonitoringRisk assessmentControl environmentAccounting standardsControl activities

Carefully read the question and answer accordingly. A key concept of quality control is that all work products

expalain the purpose of quality control samples in experiment, including accuracy and precision

What kinds of quality control tests are performed?  Check all that apply. a. Dimensions b. Color c. Weight d. Strength