PUBH 6003 Final Exam-updated 2024/2025 questions with 100% correct answers

PUBH 6003 Final Exam-updated 2024/2025 questions with 100% correct answers. diagnostic versus screening tests - Answer diagnostic tests confirm the disease while screening tests look for the diseases regardless of symptoms ex: mammograms are screening Mass screening - Answer screening on a large scale of total population groups regardless of risk status selective screening - Answer assumes knowledge of who is at risk, screening in high-risk groups ex: genetic screening of people with a strong family history of breast cancer Diseases appropriate for screening - Answer the disease has to be an important public health in seriousness and magnitude, must have a detectable preclinical phase, disease must be treatable/ prevention must be key, early treatment is better than late treatment Examples of screening tests - Answer PPD for tuberculosis, Beck Depression Inventory for Depression, Pap smear for precancerous lesions, mammography for breast cancer Characteristics of a good screening test - Answer simple, rapid, inexpensive, safe, acceptable Reliability - Answer consistency of measurement intra-subject variation: variability within a person over time inter-observer variation: same test results read by different people intra-observer variation: variability in results from same observer at different times