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qualitycontrol-133
SPECIFICITY — The text defines analytical specificity and its formula. A test has 90% SPECIFICITY. What does this mean in clinical terms?
A. 90% of truly positive patients are correctly identified
B. 10% OF DISEASE-FREE PEOPLE WOULD BE CLASSIFIED AS HAVING THE DISEASE (False Positive); 90% of disease-free people are correctly classified as negative (True Negative)
C. The test can detect analytes at 90% of normal laboratory concentration
D. 90% of specimens can be analysed without interference
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