NR 503 Week 4 Midterm Exam.docx NR503 NR 503 Midterm Exam Question 1 Which of the foll

NR 503 Week 4 Midterm Exam.docx  NR503  NR 503 Midterm Exam  Question 1  Which of the following statements best describe efficacy?  ï‚·It is an estimate of the benefit of treatment under ideal conditions  ï‚·It is an estimate of the reduction of disease in treated groups  Question 2  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 be r&omized to those who have a history of hypertension. Which of the following advantages cannot be claimed by the researchers?  ï‚·The generalizability of the study is increased  Question 3  What is the main advantage of the r&omization of the 168 study participants to one of the two drug treatment groups?  ï‚·Reduces the potential for  selection bias in allocation of treatment group  Question 4  After entry into the study, patients were first classified into three groups, those who had a previous AMI, those with a first AMI who were at high risk for  other cardiovascular diseases such as congestive heart failure, & those with a first AMI who were at low  risk for  other cardiovascular diseases. Which term best describes the study design?  ï‚·R&omized clinical trial with stratified r&omization  Question 5  After assignment to treatment group, 77% of those in the placebo group were men, while 80% of those in the drug X group were men. Which statement is most likely to be true?  ï‚·R&omization was successful since the