NR 503 Exam 2024 | NR503 Actual Exam
Latest 2024 Questions and Correct
Answers Rated A+
The nurse practitioner is reviewing a recent study that utilizes analytic
epidemiology by means of a cohort study design. The cohort study
design informs the practitioner about which of the following -
ANSWER-Outcomes that develop from an exposure
A group of providers have implemented population-based intervention
and are now assessing the efficacy of the intervention. Which of the
following would be an example of a population based outcome? -
ANSWER-Decreased mortality rate compared to previous year
Appraisal of research publications is critical as providers assess for
relevance to population health. Which of the following items should be
considered during the appraisal process? Select all that apply. -
ANSWER-Outcome measure, Transparency, Internal Validity
What is being compared in a cohort study design? -ANSWER-The
incidence of a disease between exposed and non-exposed individuals
Analytic epidemiology is best described as: -ANSWER-Studies that
investigate origins and casuals' factors of health-related events
You are part of a research group investigating association between
exposure and disease. Which study design is a best fit for this type of
study: -ANSWER-Case-Control Study
,The provider is concerned about what appears to be an increase in
the mortality rate for their community. Mortality is an example of which
of the following: -ANSWER-Vital statistic
An example of a tertiary prevention measure for chronic obstructive
pulmonary disease is: -ANSWER-Pulmonary Rehabilitation
Which of the following statements best describe efficacy? -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
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 randomized to those who have a history of
hypertension. Which of the following advantages cannot be claimed by
the researchers? -ANSWER-The generalizability of the study is
increased
What is the main advantage of the randomization of the 168 study
participants to one of the two drug treatment groups? -ANSWER-
Reduces selection bias
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, and those with a first AMI who were at low risk for other
cardiovascular diseases. Which term best describes the study design?
-ANSWER-Randomized clinical trial with stratified randomization
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? -ANSWER-Randomization
was successful since the investigators did not alter the selection of
participants in either group in order to ensure equal percentages of
men
A preliminary analysis was conducted after 6 months and found that
87% of participants in the placebo group and 85% of those in the drug
X group had taken more than 90% of their prescribed dosages. Which
statement best describes this finding? -ANSWER-The characteristics
of patients who failed to comply with the treatment dosages should be
assessed as they may differ from those who complied
Which of the following statements best describes the reason for
conducting the study as a double-blind trial? -ANSWER-Double
blinding ensures that potential biases regarding selection, follow-up,
and analysis can be reduced
The following data come from a study of approaches to smoking
cessation. Smokers who want to quit were randomized to one of four
groups: control ..... brochures and a monthly phone call from a
counselor. Participants received mailed surveys at 8, 16, and 24
months after randomization. The results after 2 years are in the table
below. Which group had the least success in terms of quitting
smoking? -ANSWER-Group QS
The following data come from a study of approaches to smoking
cessation. Smokers who want to quit were randomized 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 and support group QS who received quitting
brochures as well as social support brochures listing benefits of
smoking cessation, and telephone support group T who received the
Latest 2024 Questions and Correct
Answers Rated A+
The nurse practitioner is reviewing a recent study that utilizes analytic
epidemiology by means of a cohort study design. The cohort study
design informs the practitioner about which of the following -
ANSWER-Outcomes that develop from an exposure
A group of providers have implemented population-based intervention
and are now assessing the efficacy of the intervention. Which of the
following would be an example of a population based outcome? -
ANSWER-Decreased mortality rate compared to previous year
Appraisal of research publications is critical as providers assess for
relevance to population health. Which of the following items should be
considered during the appraisal process? Select all that apply. -
ANSWER-Outcome measure, Transparency, Internal Validity
What is being compared in a cohort study design? -ANSWER-The
incidence of a disease between exposed and non-exposed individuals
Analytic epidemiology is best described as: -ANSWER-Studies that
investigate origins and casuals' factors of health-related events
You are part of a research group investigating association between
exposure and disease. Which study design is a best fit for this type of
study: -ANSWER-Case-Control Study
,The provider is concerned about what appears to be an increase in
the mortality rate for their community. Mortality is an example of which
of the following: -ANSWER-Vital statistic
An example of a tertiary prevention measure for chronic obstructive
pulmonary disease is: -ANSWER-Pulmonary Rehabilitation
Which of the following statements best describe efficacy? -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
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 randomized to those who have a history of
hypertension. Which of the following advantages cannot be claimed by
the researchers? -ANSWER-The generalizability of the study is
increased
What is the main advantage of the randomization of the 168 study
participants to one of the two drug treatment groups? -ANSWER-
Reduces selection bias
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, and those with a first AMI who were at low risk for other
cardiovascular diseases. Which term best describes the study design?
-ANSWER-Randomized clinical trial with stratified randomization
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? -ANSWER-Randomization
was successful since the investigators did not alter the selection of
participants in either group in order to ensure equal percentages of
men
A preliminary analysis was conducted after 6 months and found that
87% of participants in the placebo group and 85% of those in the drug
X group had taken more than 90% of their prescribed dosages. Which
statement best describes this finding? -ANSWER-The characteristics
of patients who failed to comply with the treatment dosages should be
assessed as they may differ from those who complied
Which of the following statements best describes the reason for
conducting the study as a double-blind trial? -ANSWER-Double
blinding ensures that potential biases regarding selection, follow-up,
and analysis can be reduced
The following data come from a study of approaches to smoking
cessation. Smokers who want to quit were randomized to one of four
groups: control ..... brochures and a monthly phone call from a
counselor. Participants received mailed surveys at 8, 16, and 24
months after randomization. The results after 2 years are in the table
below. Which group had the least success in terms of quitting
smoking? -ANSWER-Group QS
The following data come from a study of approaches to smoking
cessation. Smokers who want to quit were randomized 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 and support group QS who received quitting
brochures as well as social support brochures listing benefits of
smoking cessation, and telephone support group T who received the
