CPHIMS Ultimate CPHIMS 5 — Questions and Answers
Question 1: A health informatics professional is analyzing a population health dashboard. Which metric BEST represents the burden of a disease on a population at a specific point in time?
- Prevalence rate (Correct answer)
- Incidence rate
- Mortality rate
- Case fatality rate
Correct answer: Prevalence rate
Prevalence measures the proportion of a population with a condition at a given time, representing the total existing burden of disease.
Question 2: An organization is implementing role-based access control (RBAC) in its EHR. Which principle does RBAC enforce by ensuring users receive only the minimum access needed for their job?
- Principle of least privilege (Correct answer)
- Separation of duties
- Need-to-know principle
- Defense in depth
Correct answer: Principle of least privilege
The principle of least privilege restricts user access rights to only what is necessary to perform their authorized job functions.
Question 3: A health system's informatics team is developing a master patient index (MPI). What is the PRIMARY function of an enterprise MPI?
- Uniquely identifying and linking patient records across multiple systems and facilities (Correct answer)
- Storing the complete clinical history of every patient
- Managing physician credentialing and licensing records
- Tracking inventory of medical supplies across departments
Correct answer: Uniquely identifying and linking patient records across multiple systems and facilities
An enterprise MPI uniquely identifies patients across disparate systems, linking their records to create a unified patient identity.
Question 4: Which change management model identifies eight sequential steps for leading organizational change, commonly applied in health IT implementations?
- Kotter's 8-Step Change Model (Correct answer)
- Lewin's 3-Stage Model (Unfreeze-Change-Refreeze)
- ADKAR Model
- Prosci Change Management Model
Correct answer: Kotter's 8-Step Change Model
Kotter's 8-Step Model provides a sequential framework starting with creating urgency and ending with anchoring changes in culture.
Question 5: Under the CMS Promoting Interoperability program, which capability was required for eligible hospitals to support patient access to their health information?
- Patient Electronic Access via certified EHR technology (Correct answer)
- Automated prior authorization submission
- Real-time pharmacy benefit checking
- Provider directory publication via FHIR
Correct answer: Patient Electronic Access via certified EHR technology
CMS Promoting Interoperability requires hospitals to provide patients electronic access to their health information through certified EHR technology.
Question 6: A hospital's informatics team is building a data warehouse. What distinguishes an OLAP (Online Analytical Processing) system from an OLTP (Online Transaction Processing) system?
- OLAP is optimized for complex queries and reporting on historical data (Correct answer)
- OLAP handles real-time transaction recording in operational systems
- OLTP supports multidimensional data analysis for executives
- OLTP is slower but provides deeper historical trend analysis
Correct answer: OLAP is optimized for complex queries and reporting on historical data
OLAP systems are designed for complex analytical queries, aggregations, and reporting on large historical datasets, unlike OLTP's real-time transaction focus.
Question 7: A CPHIMS-certified professional is asked to recommend an approach for validating that a newly deployed system meets agreed-upon performance benchmarks. Which testing type BEST applies?
- Performance/load testing (Correct answer)
- Smoke testing
- Parallel testing
- Alpha testing
Correct answer: Performance/load testing
Performance/load testing validates that a system meets defined benchmarks for response time, throughput, and stability under expected and peak load conditions.
CPHIMS Ultimate CPHIMS 5
A health informatics professional is analyzing a population health dashboard.
Which metric BEST represents the burden of a disease on a population at a specific point in time?