, CHAPTER LIST
SECTION I: ADVANCED PRACTICE NURSING POPULATION HEALTH
Chapter 1. Population Health
Chapter 2. Determinants of Health
Chapter 3. Advanced Practice Nursing Role and Competencies in Epidemiology and Population Health
SECTION II: EPIDEMIOLOGY
Chapter 4. Epidemiology Primer
Chapter 5. Historical Epidemiological Perspectives
Chapter 6. Etiology and Natural History of Disease and Illness
Chapter 7. Disease Occurrence: Morbidity and Mortality
Chapter 8. Diagnostic and Screening Tests: Validity and Reliability
Chapter 9. Risk Assessment and Estimation
SECTION III: TOOLS AND EPIDEMIOLOGIC STUDY DESIGNS
Chapter 10. Observational Epidemiologic Research: Introduction to Observational Research –
Descriptive, Case Studies, Case Series, Ecological, and Cross-Sectional
Chapter 11. Cohort Studies
Chapter 12. Case Control, Other Study Designs, and Research Appraisal
Chapter 13. Experimental Studies: Quasi-Experimental, Experimental, and Randomized Clinical Trials
Chapter 14. Epidemiologic Design Bias, Confounders, and Interaction
Chapter 15. Biostatistics Primer
Chapter 16. Field, Forensic, and Legal Epidemiology
SECTION IV: FIELDS OF EPIDEMIOLOGY IN PRACTICE
Chapter 17. Pandemic Epidemiology
Chapter 18. Social Epidemiology
Chapter 19. Infectious Disease Epidemiology
Chapter 20. Genetic and Environmental Epidemiology
Chapter 21. Occupational Epidemiology
Chapter 22. Reproductive and Maternal Health Epidemiology
Chapter 23. Clinical and Healthcare Epidemiology and Evidence-Based Healthcare
SECTION V: POLICY AND ETHICS
Chapter 24. Epidemiology in Health Policy and Program Evaluation
Chapter 25. Epidemiological Ethical and Professional Issues
,Chapter 1 – Population Health
Data Interpretation Items
1.
A regional healthcare system compiles the following health metrics across its primary service
area to evaluate population-level outcomes:
Target / Region Rate (Current
Metric
Benchmark Year)
Diabetes Control (HbA1c > 9.0%) < 12.0% 18.5%
Colorectal Cancer Screening Rate > 75.0% 58.2%
30-Day Unplanned Readmission
< 11.5% 14.2%
Rate
Preventive Care Access (Annual
> 80.0% 61.0%
Exam)
Which initiative best reflects a population health improvement strategy rather than a
population health management intervention for this service area?
A. Implementing an automated EHR registry alert to flag patients overdue for colorectal
screening during clinic visits
B. Deploying care managers to conduct post-discharge home visits for patients with high
readmission risk
C. Partnering with local government and urban planners to establish subsidized fresh-food
markets in low-access neighborhoods
,D. Establishing a nurse-led clinic to titrate insulin for patients with HbA1c > 9.0%
Answer: C
Rationale: Population health improvement targets systemic, upstream drivers across an entire
geographic community or population, often through cross-sector partnerships addressing social
determinants of health. Partnering with local government to improve fresh-food access is a
population health improvement initiative. In contrast, automated alerts, care management, and
disease-titration clinics represent population health management, which focuses on panel
management, risk stratification, and optimizing clinical care delivery for specific attributed
patient cohorts.
2.
An Advanced Practice Registered Nurse (APRN) reviews the following summary data comparing
two clinical panels within a large accountable care organization (ACO):
Indicator Panel A (N=2,500) Panel B (N=2,500)
Mean Age 54.2 years 68.7 years
High Risk Stratum (Top 5% Expected Cost) 4.8% 12.1%
Preventive Services Compliance 78.0% 76.5%
Emergency Department Visits per 1,000 410 680
Per Member Per Month (PMPM) Cost $420 $890
Based on these health indicators, which action should the APRN prioritize to align Panel B's care
model with the Quadruple Aim?
,A. Implement targeted, multidisciplinary complex care management for Panel B’s high-risk
stratum to reduce avoidable ED utilization
B. Reallocate preventive care resources away from Panel B to lower its higher PMPM cost
C. Restrict Panel B patients from accessing emergency care to force compliance with clinic visits
D. Discharge high-cost patients from Panel B to balance risk distribution between panels
Answer: A
Rationale: Panel B demonstrates a significantly higher proportion of high-risk patients (12.1%)
and elevated ED utilization (680 per 1,000). Implementing targeted complex care management
for the high-risk stratum directly addresses health outcomes and cost of care (two pillars of the
Quadruple Aim) while improving patient and clinician experience. Reallocating preventive
resources, restricting care access, or discharging patients violates population health principles,
ethical standards, and the core objectives of value-based care.
3.
The following diagram illustrates the conceptual distribution of health determinants across a
population, adapted from the Population Health Framework:
[ Tier 1: Systemic & Structural Factors ] --> (Policy, Built Environment, Income Distribution)
│
▼
[ Tier 2: Living & Working Conditions ] --> (Housing Quality, Food Security, Education)
│
▼
[ Tier 3: Individual Determinants ] --> (Behaviors, Physiology, Genetics)
An APRN designs an intervention targeting Tier 1 factors to reduce the incidence of pediatric
asthma exacerbations in an urban sector. Which project aligns with this level of the framework?
A. Prescribing inhaled corticosteroids and providing peak-flow meters to affected children
B. Drafting and advocating for municipal housing policy legislation that mandates landlord
remediation of mold and pest infestations
C. Educating families on indoor allergen avoidance and vacuuming techniques
D. Establishing a mobile clinic to deliver acute nebulizer treatments during asthma spikes
Answer: B
,Rationale: Tier 1 factors represent the most upstream, structural determinants of population
health, such as policy, legislation, and systemic environment. Advocating for municipal housing
policy mandates directly targets these structural policies to eliminate environmental hazards at
the population level. Inhaled steroid prescriptions and mobile treatment clinics represent
downstream clinical management (Tier 3), whereas home education represents midstream
individual/living condition management (Tier 2).
Calculation/Numeric Entry Items
4.
A nurse practitioner reviews a panel of 1,200 patients diagnosed with hypertension. Over a 12-
month evaluation period, 180 patients achieved target blood pressure control after the
implementation of a team-based protocol. Prior to the protocol, only 90 patients in the panel
had controlled blood pressure. Calculate the absolute percentage point increase in blood
pressure control for this panel.
Answer: 7.5%
Rationale:
Baseline Proportion = (90/1,200) = 0.075 = 7.5%
Post-Intervention Proportion = (180/1,200) = 0.150 = 15.0%
Absolute Increase = 15.0% - 7.5% = 7.5%
5.
An APRN manages a rural health clinic with an attributed panel of 2,500 adults. A quality audit
reveals that 350 patients have type 2 diabetes. Among these diabetic patients, 70 experienced
an emergency department visit for hypoglycemia or hyperglycemia during the past year.
Calculate the rate of diabetes-related ED visits per 1,000 patients within the overall attributed
panel.
Answer: 28 per 1,000 patients
Rationale:
Rate = ( (Number of events/Total attributed population) ) × 1,000
Rate = ( (70/2,500) ) × 1,000 = 0.028 × 1,000 = 28 per 1,000 patients
6.
,In an accountable care organization, a clinic panel consists of 5,000 attributed lives. Over one
year, 250 individuals in the panel are hospitalized, accumulating a total of 1,250 inpatient days.
Calculate the average length of stay (ALOS) in days per admission for this panel.
Answer: 5 days
Rationale:
Average Length of Stay (ALOS) = (Total Inpatient Days/Total Admissions)
ALOS = (1,250 days/250 admissions) = 5 days
7.
A population health manager evaluates a preventive care initiative across a community cohort
of 8,000 adults. At baseline, 3,200 individuals had received an annual influenza vaccination.
Following a targeted public health outreach campaign, an additional 1,600 previously
unvaccinated individuals received the vaccine. Calculate the post-campaign vaccination
coverage rate expressed as a percentage.
Answer: 60%
Rationale:
Total Vaccinated = 3,200 + 1,600 = 4,800
Coverage Rate = ( (4,800/8,000) ) × 100% = 0.60 × 100% = 60%
Multiple Response (Select All That Apply)
8.
Which statements accurately differentiate population health from traditional individual clinical
care? (Select all that apply.)
A. Population health defines its target primary by defined geographic or attributed cohorts
rather than individual presenting patients.
B. Population health focuses exclusively on acute tertiary treatment interventions delivered in
hospital settings.
C. Population health relies heavily on non-clinical data, including social and environmental
indicators, to assess health status.
D. Population health measures success using aggregate health outcomes and distribution
patterns rather than single-patient clinical markers.
, E. Population health strictly excludes clinical healthcare delivery systems from its framework.
F. Population health emphasizes interprofessional, cross-sector partnerships extending beyond
traditional health system boundaries.
Answer: A, C, D, F
Rationale: Population health addresses defined populations or cohorts (A), incorporates broad
non-clinical and social data (C), evaluates aggregate outcomes and health distribution (D), and
leverages cross-sector partnerships (F). Options B and E are incorrect because population
health encompasses a continuum of care (including primary through tertiary prevention) and
integrates clinical healthcare systems as vital components within its broader framework.
9.
An APRN leadership team is implementing the Triple Aim framework within an ambulatory
specialty network. Which core domains must their performance metrics reflect to align with
this framework? (Select all that apply.)
A. Maximizing fee-for-service revenue generation
B. Improving the patient experience of care (including quality and satisfaction)
C. Reducing the per capita cost of healthcare
D. Eliminating all clinician administrative documentation responsibilities
E. Improving the health of populations
F. Standardizing individual provider productivity quotas across all clinical sites
Answer: B, C, E
Rationale: The Triple Aim framework established by the Institute for Healthcare Improvement
(IHI) explicitly consists of three dimensions: improving the patient experience of care (B),
reducing the per capita cost of healthcare (C), and improving the health of populations (E).
Maximizing fee-for-service revenue (A), eliminating documentation (D), and setting productivity
quotas (F) are not dimensions of the Triple Aim.
10.
When applying a population health framework to manage a panel of patients with chronic
kidney disease (CKD), which actions by an APRN demonstrate upstream thinking? (Select all
that apply.)
SECTION I: ADVANCED PRACTICE NURSING POPULATION HEALTH
Chapter 1. Population Health
Chapter 2. Determinants of Health
Chapter 3. Advanced Practice Nursing Role and Competencies in Epidemiology and Population Health
SECTION II: EPIDEMIOLOGY
Chapter 4. Epidemiology Primer
Chapter 5. Historical Epidemiological Perspectives
Chapter 6. Etiology and Natural History of Disease and Illness
Chapter 7. Disease Occurrence: Morbidity and Mortality
Chapter 8. Diagnostic and Screening Tests: Validity and Reliability
Chapter 9. Risk Assessment and Estimation
SECTION III: TOOLS AND EPIDEMIOLOGIC STUDY DESIGNS
Chapter 10. Observational Epidemiologic Research: Introduction to Observational Research –
Descriptive, Case Studies, Case Series, Ecological, and Cross-Sectional
Chapter 11. Cohort Studies
Chapter 12. Case Control, Other Study Designs, and Research Appraisal
Chapter 13. Experimental Studies: Quasi-Experimental, Experimental, and Randomized Clinical Trials
Chapter 14. Epidemiologic Design Bias, Confounders, and Interaction
Chapter 15. Biostatistics Primer
Chapter 16. Field, Forensic, and Legal Epidemiology
SECTION IV: FIELDS OF EPIDEMIOLOGY IN PRACTICE
Chapter 17. Pandemic Epidemiology
Chapter 18. Social Epidemiology
Chapter 19. Infectious Disease Epidemiology
Chapter 20. Genetic and Environmental Epidemiology
Chapter 21. Occupational Epidemiology
Chapter 22. Reproductive and Maternal Health Epidemiology
Chapter 23. Clinical and Healthcare Epidemiology and Evidence-Based Healthcare
SECTION V: POLICY AND ETHICS
Chapter 24. Epidemiology in Health Policy and Program Evaluation
Chapter 25. Epidemiological Ethical and Professional Issues
,Chapter 1 – Population Health
Data Interpretation Items
1.
A regional healthcare system compiles the following health metrics across its primary service
area to evaluate population-level outcomes:
Target / Region Rate (Current
Metric
Benchmark Year)
Diabetes Control (HbA1c > 9.0%) < 12.0% 18.5%
Colorectal Cancer Screening Rate > 75.0% 58.2%
30-Day Unplanned Readmission
< 11.5% 14.2%
Rate
Preventive Care Access (Annual
> 80.0% 61.0%
Exam)
Which initiative best reflects a population health improvement strategy rather than a
population health management intervention for this service area?
A. Implementing an automated EHR registry alert to flag patients overdue for colorectal
screening during clinic visits
B. Deploying care managers to conduct post-discharge home visits for patients with high
readmission risk
C. Partnering with local government and urban planners to establish subsidized fresh-food
markets in low-access neighborhoods
,D. Establishing a nurse-led clinic to titrate insulin for patients with HbA1c > 9.0%
Answer: C
Rationale: Population health improvement targets systemic, upstream drivers across an entire
geographic community or population, often through cross-sector partnerships addressing social
determinants of health. Partnering with local government to improve fresh-food access is a
population health improvement initiative. In contrast, automated alerts, care management, and
disease-titration clinics represent population health management, which focuses on panel
management, risk stratification, and optimizing clinical care delivery for specific attributed
patient cohorts.
2.
An Advanced Practice Registered Nurse (APRN) reviews the following summary data comparing
two clinical panels within a large accountable care organization (ACO):
Indicator Panel A (N=2,500) Panel B (N=2,500)
Mean Age 54.2 years 68.7 years
High Risk Stratum (Top 5% Expected Cost) 4.8% 12.1%
Preventive Services Compliance 78.0% 76.5%
Emergency Department Visits per 1,000 410 680
Per Member Per Month (PMPM) Cost $420 $890
Based on these health indicators, which action should the APRN prioritize to align Panel B's care
model with the Quadruple Aim?
,A. Implement targeted, multidisciplinary complex care management for Panel B’s high-risk
stratum to reduce avoidable ED utilization
B. Reallocate preventive care resources away from Panel B to lower its higher PMPM cost
C. Restrict Panel B patients from accessing emergency care to force compliance with clinic visits
D. Discharge high-cost patients from Panel B to balance risk distribution between panels
Answer: A
Rationale: Panel B demonstrates a significantly higher proportion of high-risk patients (12.1%)
and elevated ED utilization (680 per 1,000). Implementing targeted complex care management
for the high-risk stratum directly addresses health outcomes and cost of care (two pillars of the
Quadruple Aim) while improving patient and clinician experience. Reallocating preventive
resources, restricting care access, or discharging patients violates population health principles,
ethical standards, and the core objectives of value-based care.
3.
The following diagram illustrates the conceptual distribution of health determinants across a
population, adapted from the Population Health Framework:
[ Tier 1: Systemic & Structural Factors ] --> (Policy, Built Environment, Income Distribution)
│
▼
[ Tier 2: Living & Working Conditions ] --> (Housing Quality, Food Security, Education)
│
▼
[ Tier 3: Individual Determinants ] --> (Behaviors, Physiology, Genetics)
An APRN designs an intervention targeting Tier 1 factors to reduce the incidence of pediatric
asthma exacerbations in an urban sector. Which project aligns with this level of the framework?
A. Prescribing inhaled corticosteroids and providing peak-flow meters to affected children
B. Drafting and advocating for municipal housing policy legislation that mandates landlord
remediation of mold and pest infestations
C. Educating families on indoor allergen avoidance and vacuuming techniques
D. Establishing a mobile clinic to deliver acute nebulizer treatments during asthma spikes
Answer: B
,Rationale: Tier 1 factors represent the most upstream, structural determinants of population
health, such as policy, legislation, and systemic environment. Advocating for municipal housing
policy mandates directly targets these structural policies to eliminate environmental hazards at
the population level. Inhaled steroid prescriptions and mobile treatment clinics represent
downstream clinical management (Tier 3), whereas home education represents midstream
individual/living condition management (Tier 2).
Calculation/Numeric Entry Items
4.
A nurse practitioner reviews a panel of 1,200 patients diagnosed with hypertension. Over a 12-
month evaluation period, 180 patients achieved target blood pressure control after the
implementation of a team-based protocol. Prior to the protocol, only 90 patients in the panel
had controlled blood pressure. Calculate the absolute percentage point increase in blood
pressure control for this panel.
Answer: 7.5%
Rationale:
Baseline Proportion = (90/1,200) = 0.075 = 7.5%
Post-Intervention Proportion = (180/1,200) = 0.150 = 15.0%
Absolute Increase = 15.0% - 7.5% = 7.5%
5.
An APRN manages a rural health clinic with an attributed panel of 2,500 adults. A quality audit
reveals that 350 patients have type 2 diabetes. Among these diabetic patients, 70 experienced
an emergency department visit for hypoglycemia or hyperglycemia during the past year.
Calculate the rate of diabetes-related ED visits per 1,000 patients within the overall attributed
panel.
Answer: 28 per 1,000 patients
Rationale:
Rate = ( (Number of events/Total attributed population) ) × 1,000
Rate = ( (70/2,500) ) × 1,000 = 0.028 × 1,000 = 28 per 1,000 patients
6.
,In an accountable care organization, a clinic panel consists of 5,000 attributed lives. Over one
year, 250 individuals in the panel are hospitalized, accumulating a total of 1,250 inpatient days.
Calculate the average length of stay (ALOS) in days per admission for this panel.
Answer: 5 days
Rationale:
Average Length of Stay (ALOS) = (Total Inpatient Days/Total Admissions)
ALOS = (1,250 days/250 admissions) = 5 days
7.
A population health manager evaluates a preventive care initiative across a community cohort
of 8,000 adults. At baseline, 3,200 individuals had received an annual influenza vaccination.
Following a targeted public health outreach campaign, an additional 1,600 previously
unvaccinated individuals received the vaccine. Calculate the post-campaign vaccination
coverage rate expressed as a percentage.
Answer: 60%
Rationale:
Total Vaccinated = 3,200 + 1,600 = 4,800
Coverage Rate = ( (4,800/8,000) ) × 100% = 0.60 × 100% = 60%
Multiple Response (Select All That Apply)
8.
Which statements accurately differentiate population health from traditional individual clinical
care? (Select all that apply.)
A. Population health defines its target primary by defined geographic or attributed cohorts
rather than individual presenting patients.
B. Population health focuses exclusively on acute tertiary treatment interventions delivered in
hospital settings.
C. Population health relies heavily on non-clinical data, including social and environmental
indicators, to assess health status.
D. Population health measures success using aggregate health outcomes and distribution
patterns rather than single-patient clinical markers.
, E. Population health strictly excludes clinical healthcare delivery systems from its framework.
F. Population health emphasizes interprofessional, cross-sector partnerships extending beyond
traditional health system boundaries.
Answer: A, C, D, F
Rationale: Population health addresses defined populations or cohorts (A), incorporates broad
non-clinical and social data (C), evaluates aggregate outcomes and health distribution (D), and
leverages cross-sector partnerships (F). Options B and E are incorrect because population
health encompasses a continuum of care (including primary through tertiary prevention) and
integrates clinical healthcare systems as vital components within its broader framework.
9.
An APRN leadership team is implementing the Triple Aim framework within an ambulatory
specialty network. Which core domains must their performance metrics reflect to align with
this framework? (Select all that apply.)
A. Maximizing fee-for-service revenue generation
B. Improving the patient experience of care (including quality and satisfaction)
C. Reducing the per capita cost of healthcare
D. Eliminating all clinician administrative documentation responsibilities
E. Improving the health of populations
F. Standardizing individual provider productivity quotas across all clinical sites
Answer: B, C, E
Rationale: The Triple Aim framework established by the Institute for Healthcare Improvement
(IHI) explicitly consists of three dimensions: improving the patient experience of care (B),
reducing the per capita cost of healthcare (C), and improving the health of populations (E).
Maximizing fee-for-service revenue (A), eliminating documentation (D), and setting productivity
quotas (F) are not dimensions of the Triple Aim.
10.
When applying a population health framework to manage a panel of patients with chronic
kidney disease (CKD), which actions by an APRN demonstrate upstream thinking? (Select all
that apply.)
