If specificity of test increases ?
Ans. is 'd' i.e., More false negative High sensitivity gives large no. of false positives High specificity gives large no. of false negatives. Remember If a population has more false positive cases :? Screening test is more sensitive Positive predictive value of the test is low Prevalence of disease is low If a poulation has more false negative cases Screenign test is more specific Negative predictive value of the test is low