Which CLIA amendments in the 1970s required quality control and proficiency testing?

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Multiple Choice

Which CLIA amendments in the 1970s required quality control and proficiency testing?

The question tests regulatory requirements that ensure test accuracy through two coordinated methods: internal quality control and external proficiency testing. Quality control means using built-in checks within each run—calibrations, control materials, and ongoing instrument performance checks—to verify that a test is producing correct results before those results are reported. Proficiency testing, an external quality assessment, involves periodically comparing a lab’s results on blinded or unknown samples with those from other laboratories to detect discrepancies and identify issues that internal checks might miss. The CLIA amendments in the 1970s established these two requirements to raise the reliability and uniformity of clinical laboratory testing across facilities. The other choices don’t reflect how CLIA addressed quality in that era: one option implies a vague or incorrect frequency, another cites personnel qualifications not tied to the 1970s amendments, and none of the above would be accurate since QC and PT were indeed mandated.

The question tests regulatory requirements that ensure test accuracy through two coordinated methods: internal quality control and external proficiency testing. Quality control means using built-in checks within each run—calibrations, control materials, and ongoing instrument performance checks—to verify that a test is producing correct results before those results are reported. Proficiency testing, an external quality assessment, involves periodically comparing a lab’s results on blinded or unknown samples with those from other laboratories to detect discrepancies and identify issues that internal checks might miss. The CLIA amendments in the 1970s established these two requirements to raise the reliability and uniformity of clinical laboratory testing across facilities. The other choices don’t reflect how CLIA addressed quality in that era: one option implies a vague or incorrect frequency, another cites personnel qualifications not tied to the 1970s amendments, and none of the above would be accurate since QC and PT were indeed mandated.

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