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Even though a test is CLIA-waived, laboratories must ensure ongoing accuracy through quality systems. For glucose meters, this includes running external liquid controls (typically at least two levels) at specified frequencies—often daily, with each new box or lot of strips, after maintenance, after repairs or software updates, and whenever results are questionable—and documenting all QC outcomes and corrective actions. Option B reflects these requirements. Internal electronic checks (Option C) verify certain device functions but do not assess reagent performance or total analytical accuracy. Skipping QC because staff are experienced (Option A) violates policy and undermines reliability. Averaging discrepant patient results (Option D) is not a corrective strategy; discrepancies should trigger troubleshooting, repeat testing, and review of QC status. Additional responsibilities include operator training and competency assessments, adherence to environmental conditions, lot-to-lot verification, and participation in proficiency testing where required. Robust documentation ensures traceability, supports accreditation, and protects patients by ensuring that bedside results are fit for clinical decision-making.