NR 503/NR503 WEEK 4 MIDTERM EXAM QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE

Are you able to discuss "surveillance" and it's relationship to "causation"? …CORRECT ANSWER100% - Surveillance is the collection, analysis and dissemination of information pertaining to the occurrence of a disease. In order to know what causes diseases, we must use surveillance. Can you explain a retrospective versus a prospective study design? What are the pros and cons of each?…CORRECT ANSWER100% - A retrospective study design looks back in time, while a prospective study design looks forward. Retrospective studies are less expensive and time consuming but are more prone to bias than prospective studies. Prospective studies are more expensive and time consuming but the are less prone to bias than retrospective studies. Can you explain what "descriptive epidemiology" means? What is the purpose? How is it used? - …CORRECT ANSWER100% Concerned with characterizing the amount and distribution of health and disease within a population. Through the process of looking at rates, incidence, prevalence, mortality, survival, and prognosis we have and understanding of a disease and knowledge of how populations differ. Also, what interventions would be best for who. Can you relate causation to primary, secondary and tertiary interventions? …CORRECT ANSWER100% - Causation is the cause and effect relationship in which one variable controls the changes in another variable. Such as smoking increases risk of lung cancer. Primary intervention would be to eliminate or reduce factors related to the variable. Such as reducing factors that cause asthma-obesity, pollution, sedentary lifestyle. Secondary intervention would be early detection of asthma symptoms. Tertiary interventions would be managing the asthma and stopping the progression of the asthma.