Nr503 2023 2024 test - Study guides, Class notes & Summaries

Midterm Exam Review: NR 503/ NR503 (Latest 2023/ 2024 Update) Epidemiology Exam Review |Complete Guide with Verified Answers -Chamberlain QUESTION What is each type of study used for, its purpose, and its outcomes? How are the outcomes different in each study design? Measured? Answer: Case control studies are studies in which patients who already have a specific condition are compared with people who do not have the condition. The researcher looks back to identify factors or exposure...

NR503 2023-2024 Test With Complete Solution Primary Prevention - Refers to preventing disease before it occurs. Usually, primary prevention occurs through application of epidemiological concepts and databases to assess risk factors and then target those populations in which there can be the greatest impact on outcomes to ward off impending disease or unhealthy outcomes. Secondary Prevention - Consists of screening and diagnosis of disease. Secondary prevention is one of the m...

NR503 REAL FINAL EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2023/2024 Which of the following statements best describe efficacy? - CORRECT ANSWER- It is an estimate of the benefit of treatment under ideal conditions It is an estimate of the reduction of disease in treated groups Test A has a sensitivity of 95% and a specificity of 90%. Test B has a sensitivity of 80% and a specificity of 98%. In a community of 10,000 people with 5% prevalence of the disease, Test A has always...

NR503:Mid-term Exam Questions and Extensive Answers 2023/2024 The population of a city on February 15, 2005, was 36,600. The city has a passive surveillance system that collects hospital & private physician reports of influenza cases every month. During the period between January 1 & April 1, 2005, 2,200 new cases of influenza occurred in the city. Of these cases, 775 persons were ill with influenza according to surveillance reports on April 1, 2005. The prevalence rate of active influenza as o...

NR503 – Guided Epidemiology Questions and 100% verified Answers 2023/2024 prevalence - Answersnumber of existing cases / number of population incidence - Answersnumber of new cases / number of persons at risk of developing disease relationship between incidence and prevalence - Answersprevalence = incidenceXduration relationship between incidence rate and mortality rate - Answersmortality rate easier to obtain than incidence - use when case-fatality rate is high - use when duration...