NR 503 Midterm Chamberlain question and answers 100% correct

Epidemiology The study of disease distribution within populations and the risk factors that affect increases or decreases in distribution. Population Health Focuses on risk, data, demographics and outcomes Outcome The end result that follows an intervention Aggregate A group of persons who share one or more traits or characteristics without necessarily having had any direct social connection. Examples: Female doctors (all are female, all are doctors, all are both) Community Composed of multiple aggregates Data Compiled information Prevalence Measures the existence of all current cases within a time frame Think: Prev-A-lence = ALL or (P)resence Incidence Measures the appearance of new cases Think: What is "in" is "new" Surveillance Is the ongoing, systematic collection, analysis, interpretation, and dissemination of health data to help guide public health decision making and action. High Risk Increased chance of poor health outcome Morbidity The presence of disease/illness in a population or aggregate Morbidity = disease The 2 primary measures are incidence and prevalence. Mortality Related to the tracking of deaths within a population or aggregate Mortality = deaths Primary Prevention The prevention of disease before it occurs Examples: Immunization. Healthy diet. Exercise. Secondary Prevention Screening and diagnosis of disease Examples: Mammogram. Colonoscopy. Imaging (CT, X-ray, MRI).