Specificity of a screening test is the ability of a test to detect:
True positives
False positives
False negatives
True negatives
Ans. is 'd' i.e. True negatives Sensitivity is the ability of test to identify correctly all those who have the disease, i.e. 'true positives'.Specificity is the ability of a test to identify correctly those who do not have the disease, i.e. 'true negatives'.
Screening for Disease