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QUALITY CONTROL — The text describes the relationship between INTERNAL QC and EXTERNAL QC. Which statement CORRECTLY describes this relationship?
A. Internal QC replaces the need for External QC once a laboratory is well-established
B. INTERNAL QC AND EXTERNAL QC ARE COMPLEMENTARY ACTIVITIES — Internal QC is necessary for DAILY monitoring of precision and accuracy; External QC assessment is important for maintaining LONG-TERM ACCURACY of analytical methods
C. External QC is more important than Internal QC for patient safety
D. Internal QC and External QC serve identical purposes and either one alone is sufficient
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