NR 503 Made Easy: A+ Questions and Answers. A 2025/2026
Study Guide
Terms in this set (107)
The nurse practitioner is Outcomes that develop from an exposure
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
A group of providers have Decreased mortality rate compared to previous year
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?
Appraisal of research Outcome measure, Transparency, Internal Validity
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.
What is being compared in a The incidence of a disease between exposed and non-exposed individuals
cohort study design?
Analytic epidemiology is best Studies that investigate origins and casuals' factors of health-related
described as: events
You are part of a research Case-Control Study
group investigating association
between
exposure and disease. Which
study design is a best fit for
,this type of study:
The provider is concerned about Vital statistic
what
appears to be an increase in the
mortality rate for their
community. Mortality is an
example of which of the
following:
,An example of a tertiary Pulmonary Rehabilitation
prevention
measure for chronic obstructive
pulmonary disease is:
Which of the following It is an estimate of the benefit of treatment
statements best describe under ideal conditions It is an estimate of the
efficacy? reduction of disease in treated groups
A study is conducted for a The generalizability of the study is increased
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?
What is the main advantage of Reduces selection bias
the randomization of the 168
study participants to one of the
two drug treatment groups?
After entry into the study, Randomized clinical trial with stratified randomization
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?
After assignment to treatment Randomization was successful since the investigators did not
group, 77% of those in the alter the selection of participants in either group in order to
, placebo group were men, ensure equal percentages of men
while 80% of those in the
drug X group
were men. Which statement is
most likely to be true?
A preliminary analysis was The characteristics of patients who failed to comply with the
conducted after 6 months and treatment dosages should be assessed as they may differ from
found that 87% of those who complied
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?
Which of the following Double blinding ensures that potential biases regarding
statements best describes the selection, follow-up, and analysis can be reduced
reason for conducting the study
as a double-blind trial?
The following data come from a Group QS
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?
Study Guide
Terms in this set (107)
The nurse practitioner is Outcomes that develop from an exposure
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
A group of providers have Decreased mortality rate compared to previous year
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?
Appraisal of research Outcome measure, Transparency, Internal Validity
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.
What is being compared in a The incidence of a disease between exposed and non-exposed individuals
cohort study design?
Analytic epidemiology is best Studies that investigate origins and casuals' factors of health-related
described as: events
You are part of a research Case-Control Study
group investigating association
between
exposure and disease. Which
study design is a best fit for
,this type of study:
The provider is concerned about Vital statistic
what
appears to be an increase in the
mortality rate for their
community. Mortality is an
example of which of the
following:
,An example of a tertiary Pulmonary Rehabilitation
prevention
measure for chronic obstructive
pulmonary disease is:
Which of the following It is an estimate of the benefit of treatment
statements best describe under ideal conditions It is an estimate of the
efficacy? reduction of disease in treated groups
A study is conducted for a The generalizability of the study is increased
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?
What is the main advantage of Reduces selection bias
the randomization of the 168
study participants to one of the
two drug treatment groups?
After entry into the study, Randomized clinical trial with stratified randomization
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?
After assignment to treatment Randomization was successful since the investigators did not
group, 77% of those in the alter the selection of participants in either group in order to
, placebo group were men, ensure equal percentages of men
while 80% of those in the
drug X group
were men. Which statement is
most likely to be true?
A preliminary analysis was The characteristics of patients who failed to comply with the
conducted after 6 months and treatment dosages should be assessed as they may differ from
found that 87% of those who complied
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?
Which of the following Double blinding ensures that potential biases regarding
statements best describes the selection, follow-up, and analysis can be reduced
reason for conducting the study
as a double-blind trial?
The following data come from a Group QS
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?
