NR 503 Midterm Exam
Question 1
Which of the following statements best describe efficacy?
Question 2
A study is conducted for a pharmaceutical agent that has shown promise for reducing heart disease among women.
...
NR 503 Midterm Exam
Question 1
Which of the following statements best describe efficacy?
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?
Question 3
What is the main advantage of the r&omization of the 168 study participants to one of the two drug treatment groups?
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?
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?
Question 6
A preliminary analysis was conducted after 6 months & found that 87% of participants in the placebo
group & 85% of those in the drug X group had taken more than 90% of their prescribed dosages. Which statement best describes this finding?
Question 7
Which of the following statements best describes the reason for conducting the study as a double- blind trial?
Question 8
A multicenter double-blind r&omized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug started 7 days after infarction in 1,884 patients, 52% of all persons who were evaluated for entry into the study. 945 participants were r&omized to treatment with drug X while 939 were assigned to the placebo group. Patients were then followed for 12 months for reinfarction. There were 152 deaths in the placebo group & 98 in the group receiving drug X.
The researchers conclude that treatment with drug X reduces mortality in patients who have had an AMI. The researchers are:
Question 9
The following data come from a study of approaches to smoking cessation. Smokers who want to quit were r&omized to one of four groups: control group C who received no intervention assistance, quitting guide group Q who received brochures about how to quit smoking, quitting guide & support group QS who received quitting brochures as well as social support brochures listing benefits of smoking cessation, & telephone support group T who received the brochures & a monthly phone call from a counselor. Participants received mailed surveys at 8, 16, & 24 months after r&omization. The results after 2 years are in the table below. Which group had the least success in terms of quitting smoking?
Question 10
The following data come from a study of approaches to smoking cessation. Smokers who want to quit were r&omized to one of four groups: control group C who received no intervention assistance, quitting guide group Q who received brochures about how to quit smoking, quitting guide & support group QS who received quitting brochures as well as social support brochures listing benefits of smoking cessation, & telephone support group T who received the brochures & a monthly phone call from a counselor. Participants received mailed surveys at 8, 16, & 24 months after r&omization. The results after 2 years are in the table below. What is the main purpose of r&omization in this study?
Useful Links for Detail Solution:
Useful Links:-
NR 503 Epidemiology Midterm and Final Exam and Study Guide ( Each 2 Versions0 / (Latest 2020): Chamberlain College of Nursing
(Already graded A)
https://www.stuvia.com/bundle/61186/nr-503-epidemiology-midterm-and-final-exam-and-study-guide-each-2- versions0-latest-2020-chamberlain-college-of-nursing-already-graded-a
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NR 503 Epidemiology Midterm and Final Exam Study Guide / NR 503 Midterm and Final Exam Study Guide(Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805049/nr-503-epidemiology-midterm-and-final-exam-study-guide-nr-503-midterm-and- final-exam-study-guidelatest-2020-chamberlain-college-of-nursing-already-graded-a
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NR 503 Epidemiology Week 4 Midterm Exam ( version-2) / NR 503 Week 4 Midterm Exam(Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805040/nr-503-epidemiology-week-4-midterm-exam-version-2-nr-503-week-4-midterm- examlatest-2020-chamberlain-college-of-nursing-already-graded-a
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NR 503 Epidemiology Week 4 Midterm Exam ( version-1) / NR 503 Week 4 Midterm Exam(Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805037/nr-503-epidemiology-week-4-midterm-exam-version-1-nr-503-week-4-midterm- examlatest-2020-chamberlain-college-of-nursing-already-graded-a
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NR 503 Epidemiology Final Exam Study Guide ( version-1) / NR 503 Epidemiology Final Exam Study guide(Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805022/nr-503-epidemiology-final-exam-study-guide-version-1-nr-503-epidemiology-final- exam-study-guidelatest-2020-chamberlain-college-of-nursing-already-graded-a
==========================================================================
NR 503 Epidemiology Final Exam ( version-1) / NR503 Epidemiology Final Exam (Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805018/nr-503-epidemiology-final-exam-version-1-nr503-epidemiology-final-exam-latest- 2020-chamberlain-college-of-nursing-already-graded-a
==========================================================================
NR 503 Epidemiology Final Exam Study Guide ( version-2) / NR 503 Epidemiology Final Exam Study guide(Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805014/nr-503-epidemiology-final-exam-study-guide-version-2-nr-503-epidemiology-final- exam-study-guidelatest-2020-chamberlain-college-of-nursing-already-graded-a
==============================================================
NR 503 Epidemiology Final Exam ( version-2) / NR503 Epidemiology Final Exam (Latest 2020): Chamberlain College of Nursing (Already graded A)
https://www.stuvia.com/doc/805011/nr-503-epidemiology-final-exam-version-2-nr503-epidemiology-final-exam-latest- 2020-chamberlain-college-of-nursing-already-graded-a
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