1|Page
WGU D115 OA Advanced Pathophysiology TEST FINAL EXAM
AND PRACTICE EXAM 20262027 BANK 2 VERSIONS
QUESTIONS WITH DETAILED VERIFIED ANSWERS EXAM
QUESTIONS WILL COME FROM HERE (100% CORRECT
ANSWERS A+ GRADED
The quality improvement team is reviewing quarterly incident reports
and evaluating the effect of Six Sigma strategies on the quantity of
medication errors over the past two years. The team hypothesizes a
continuous reduction in medical errors for each quarter.The sample
consists of patient clinical and demographic characteristics.
Unfortunately, causation cannot be determined from the data
available.Which research method should be used to test the team's
hypothesis?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial - ANSWERS--Time-series
A hospital researcher has access to one year of hospital emergency
department claims data. The researcher is investigating the association
of race on the timeliness of delivery of care. The sample includes
information on patient demographics, insurance information, and
emergency department factors. Due to patient confidentiality, the
,2|Page
sample does not include patient clinical information and
outcomes.Which research method should be used?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial - ANSWERS--Cross Sectional
A policy analyst is interested in determining if the prospective payment
system (PPS) has improved hospital efficiency over time during the past
ten years. The sample for analysis consists of ten years of data after the
introduction of the PPS and includes measures of efficiency and other
relevant control variables. The analyst hypothesizes that hospital
efficiency should have increased each year after the PPS was
implemented.Which research method should the analyst use?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial - ANSWERS--Time-Series
Which type of data analysis could be used in quantitative research?
Reporting the gender of participants
Ranking the severity order with 1 as the worst and 4 as the best
Reporting the distribution of results or outcomes
,3|Page
Using categorical variables with 0=no and 1=yes - ANSWERS--Reporting
the distribution of results or outcomes
What is a characteristic of qualitative research methods?
Utilizes large sample sizes
Determines causal relationships
Generalizes results to the population
Introduces subjectivity to data collection - ANSWERS--Introduces
subjectivity to data collection
Many physician practices now utilize an electronic health record (EHR)
system that includes a secure messaging feature. Some of these
practices have extended their contact with patients by conducting
virtual visits between people with diabetes and nurses who are
certified diabetes educators. The remote technology includes the ability
to monitor blood glucose data to determine if these values are within
goal range. After six months, the results of the blood glucose levels for
the group participating in the virtual visits were evaluated.Which
research method was used?
Time-series
Clinical trial
Pretest-posttest
Cross-sectional - ANSWERS--Cross-sectional
, 4|Page
A researcher wants to determine whether continuity of care is
improved with the use of coordination of care documents among
primary care physicians and specialists. The researcher decides to
review various published studies to assess the clinical effectiveness of
these documents on patient outcomes.Which research method is being
used?
Case study
Cohort study
Meta-analysis
Literature review - ANSWERS--Meta-analysis
The state public health researcher wants to begin a five-year initiative
to coordinate immunizations for children in the foster care system. The
results will be compared to previous years to measure the effectiveness
of the initiative.Which research method should be used to study this
initiative?
Case study
Cohort study
Longitudinal study
Pre/post-study - ANSWERS--Pre/post-study
Using publicly reported data from Centers for Medicare & Medicaid
Services, researchers want to examine the relationship between 30-day
readmissions and mortality rates for patients with heart failure at five
facilities. Before this can be done, researchers need to estimate
WGU D115 OA Advanced Pathophysiology TEST FINAL EXAM
AND PRACTICE EXAM 20262027 BANK 2 VERSIONS
QUESTIONS WITH DETAILED VERIFIED ANSWERS EXAM
QUESTIONS WILL COME FROM HERE (100% CORRECT
ANSWERS A+ GRADED
The quality improvement team is reviewing quarterly incident reports
and evaluating the effect of Six Sigma strategies on the quantity of
medication errors over the past two years. The team hypothesizes a
continuous reduction in medical errors for each quarter.The sample
consists of patient clinical and demographic characteristics.
Unfortunately, causation cannot be determined from the data
available.Which research method should be used to test the team's
hypothesis?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial - ANSWERS--Time-series
A hospital researcher has access to one year of hospital emergency
department claims data. The researcher is investigating the association
of race on the timeliness of delivery of care. The sample includes
information on patient demographics, insurance information, and
emergency department factors. Due to patient confidentiality, the
,2|Page
sample does not include patient clinical information and
outcomes.Which research method should be used?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial - ANSWERS--Cross Sectional
A policy analyst is interested in determining if the prospective payment
system (PPS) has improved hospital efficiency over time during the past
ten years. The sample for analysis consists of ten years of data after the
introduction of the PPS and includes measures of efficiency and other
relevant control variables. The analyst hypothesizes that hospital
efficiency should have increased each year after the PPS was
implemented.Which research method should the analyst use?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial - ANSWERS--Time-Series
Which type of data analysis could be used in quantitative research?
Reporting the gender of participants
Ranking the severity order with 1 as the worst and 4 as the best
Reporting the distribution of results or outcomes
,3|Page
Using categorical variables with 0=no and 1=yes - ANSWERS--Reporting
the distribution of results or outcomes
What is a characteristic of qualitative research methods?
Utilizes large sample sizes
Determines causal relationships
Generalizes results to the population
Introduces subjectivity to data collection - ANSWERS--Introduces
subjectivity to data collection
Many physician practices now utilize an electronic health record (EHR)
system that includes a secure messaging feature. Some of these
practices have extended their contact with patients by conducting
virtual visits between people with diabetes and nurses who are
certified diabetes educators. The remote technology includes the ability
to monitor blood glucose data to determine if these values are within
goal range. After six months, the results of the blood glucose levels for
the group participating in the virtual visits were evaluated.Which
research method was used?
Time-series
Clinical trial
Pretest-posttest
Cross-sectional - ANSWERS--Cross-sectional
, 4|Page
A researcher wants to determine whether continuity of care is
improved with the use of coordination of care documents among
primary care physicians and specialists. The researcher decides to
review various published studies to assess the clinical effectiveness of
these documents on patient outcomes.Which research method is being
used?
Case study
Cohort study
Meta-analysis
Literature review - ANSWERS--Meta-analysis
The state public health researcher wants to begin a five-year initiative
to coordinate immunizations for children in the foster care system. The
results will be compared to previous years to measure the effectiveness
of the initiative.Which research method should be used to study this
initiative?
Case study
Cohort study
Longitudinal study
Pre/post-study - ANSWERS--Pre/post-study
Using publicly reported data from Centers for Medicare & Medicaid
Services, researchers want to examine the relationship between 30-day
readmissions and mortality rates for patients with heart failure at five
facilities. Before this can be done, researchers need to estimate
