Which One of the Following Statements Concerning the Use of Internal

question 19

Multiple Choice

Which one of the following statements concerning the use of internal control materials is incorrect?

• A) Use of control materials can aid in the identification of assay malfunctions that lead to unreliable data.
• B) Serum controls are prepared from human serum pools and are analyzed in analytical runs that are separate from patient samples.
• C) QC data are collected over a period of time and statistically analyzed using measures of central tendency.
• D) Controls that exceed specific limits are examined with the Westgard rules to determine what kind of error is present and what actions are to be taken.

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