Nr 503 Study guides, Class notes & Summaries

A study is planned to investigate the relationship of factors associated with maternal hypertension and the risk of congenital birth defects in children born to these women. Which of the following would be a reason for using a cohort study design? A researcher is interested in the etiology of myocardial infarction (MI) among men between 18 and 40 years of age. Her hypothesis concerns the influence of diets high in fat and subsequent development of MI. What is the best study approach to address t...

NR 503 Midterm Exam and Final Exam Study Guide (Latest-2020): Population Health, Epidemiology & Statistical Principles: Chamberlain College of Nursing

NR 503 Midterm Exam and Final Exam Study Guide / NR503 Epidemiology Exam Study Guide (Latest): Population Health, Epidemiology & Statistical Principles: Chamberlain College of Nursing Question 1 Which of the following is a condition which may occur during the incubation period? • Onset of clinical illness • Receipt of infection • Signs and symptoms of disease • Transmission of infection • Isolation of disease carrier through quarantine Question 2 Chicken pox is a highly communicable...

NR 503 Epidemiology Final Exam / NR503 Epidemiology Final Exam (Latest): Chamberlain College of Nursing Question 1 A randomized, double-blind clinical trial of a varicella vaccine observed an estimated incidence of 25% chickenpox episodes in persons receiving the vaccine, compared to 80% among persons receiving a placebo. The estimated efficacy of the vaccine is: • 55.0% • 65.0% • 68.8% • 71.4% • 80.0% Question 2 A study is conducted for a pharmaceutical agent that has shown promise...

A large company institutes a new wellness program aimed at improving the health of its 50,000 employees. As a part of the program, all employees are given physical examinations and screening tests. One of the tests given to male employees is the prostate specific antigen (PSA) test with all employees testing positive being ….to their private physician for a thorough examination involving the standard test. A digital rectal examination (DRE). What will happen to the apparent incidence rate of p...

NR 503 Epidemiology Final Exam / NR503 Epidemiology Final Exam (Latest): Chamberlain College of Nursing Question 1 A randomized, double-blind clinical trial of a varicella vaccine observed an estimated incidence of 25% chickenpox episodes in persons receiving the vaccine, compared to 80% among persons receiving a placebo. The estimated efficacy of the vaccine is: • 55.0% • 65.0% • 68.8% • 71.4% • 80.0% Question 2 A study is conducted for a pharmaceutical agent that has shown promise...

Which of the following statements best describe efficacy? Question: A study is conducted for a pharmaceutical agent that has shown promise for reducing heart disease among women. In order to more fully test the agent, an additional study is done restricting the participants to … randomized to those who have a history of hypertension. Which of the following advantages cannot … claimed by the researchers? Question: What is the main advantage of the randomization of the 168 study participants t...

Which of the following is a condition which may occur during the incubation period? Question: Chicken pox is a highly communicable disease. It may … transmitted by direct contact with a person infected with the varicella-zoster virus (VZV). The typical incubation time is between 10 to 20 days. A boy started school 2 weeks after showing symptoms of chicken pox including mild fever, skin rash, and fluid-filled blisters. One month after the boy returned to school, none of his classmates … infec...

A study is planned to investigate the relationship of factors associated with maternal hypertension and the risk of congenital birth defects in children born to these women. Which of the following would be a reason for using a cohort study design? Question: A researcher is interested in the etiology of myocardial infarction (MI) among men between 18 and 40 years of age. Her hypothesis concerns the influence of diets high in fat and subsequent development of MI. What is the best study approach to...

Question: The population of a city on February 15, 2005, was 36,600. The city has a passive surveillance system that collects hospital and private physician reports of influenza cases every month. During the period between January 1 and 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 of April 1, 2005, was: Question: The population of...