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NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE 2023

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NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE 2023 1. 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: Outcomes th...

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NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE

NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS
WITH VERIFIED SOLUTIONS/A+ GRADE

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 - ANS✅Outcomes that develop from an exposure

A group of providers have implemented population-based intervention and are now

assessingthe efficacy of the intervention. Which of the following would be an example

of a population based outcome? - ANS✅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? Selectall that apply. - ANS✅Outcome measure, Transparency,

Internal Validity

What is being compared in a cohort study design? - ANS✅The incidence of a disease

between exposed and non-exposed individuals

,NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE

Analytic epidemiology is best described as: - ANS✅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: - ANS✅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: - ANS✅Vital statistic

An example of a tertiary prevention measure for chronic obstructive pulmonary disease

is: - ANS✅Pulmonary Rehabilitation

Which of the following statements best describe efficacy? - ANS✅It is an estimate of

the benefit of treatment under ideal conditions

It is an estimate of the reduction of disease in treated groups

,NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE

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?

- ANS✅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? - ANS✅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? -

ANS✅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? - ANS✅Randomization was successful since the investigators did not alter the

selection of participants in either group in order to ensure equal percentages of men

, NR 503/NR503 WEEK 4 MIDTERM EXAM 67 QUESTIONS WITH VERIFIED SOLUTIONS/A+ GRADE

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? - ANS✅The

characteristics ofpatients 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? - ANS✅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? - ANS✅Group QS

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