Specificity of a test refers to its ability to detect-: (A) True positive, (B) True negatives, (C) False negatives, (D) False positive
Answer is B. Ans. is 'b' i.e., True negative Sensitivity* It is the ability of a test to identify correctly all those who have the disease, i.e., true positive.Specificity* It is the ability of a test to identify correctly those who do not have the disease i.e., true negative