HAC Healthcare Analytics Data Collection & Management 2 — Questions and Answers
Question 1: Which data governance principle ensures that each data element has a designated owner responsible for its quality and accuracy?
- Data stewardship (Correct answer)
- Data provenance
- Data lineage
- Data federation
Correct answer: Data stewardship
Data stewardship assigns accountability for data quality to specific individuals or roles within an organization.
Question 2: A hospital is transitioning from ICD-9 to ICD-10 coding. Which data management challenge is MOST critical during this migration?
- Maintaining historical comparability between coding systems (Correct answer)
- Increasing storage capacity for larger code sets
- Retraining all clinical staff on new billing procedures
- Upgrading network bandwidth for faster code lookups
Correct answer: Maintaining historical comparability between coding systems
Crosswalking between ICD-9 and ICD-10 is essential to preserve the ability to analyze trends across the transition period.
Question 3: In HL7 FHIR, what is a 'resource' as it relates to healthcare data exchange?
- A modular unit representing a discrete healthcare concept such as a patient or observation (Correct answer)
- A server endpoint that handles authentication and authorization
- A compressed archive of clinical documents for transmission
- A regulatory compliance checklist embedded in the message header
Correct answer: A modular unit representing a discrete healthcare concept such as a patient or observation
FHIR resources are the fundamental building blocks of data exchange, each representing a specific healthcare concept.
Question 4: Which technique is used to combine data from multiple sources into a single, unified view without physically moving or copying the data?
- Data virtualization (Correct answer)
- Data replication
- Data warehousing
- Data archiving
Correct answer: Data virtualization
Data virtualization provides a real-time integrated view of disparate data sources without requiring physical consolidation.
Question 5: What is the primary purpose of a Master Patient Index (MPI) in a healthcare system?
- To uniquely identify and match patient records across disparate systems (Correct answer)
- To store all clinical lab results in a centralized repository
- To manage scheduling and appointment workflows
- To track medication dispensing across pharmacy locations
Correct answer: To uniquely identify and match patient records across disparate systems
An MPI resolves duplicate records and links patient identities across different systems to ensure accurate longitudinal records.
Question 6: A healthcare analyst discovers that blood pressure values in a dataset range from 0 to 500 mmHg. Which data quality dimension is violated?
- Validity (Correct answer)
- Completeness
- Timeliness
- Uniqueness
Correct answer: Validity
Validity checks whether data values fall within acceptable ranges or conform to defined business rules.
Question 7: Which approach to data integration is BEST suited for near-real-time analytics dashboards in a clinical setting?
- Change data capture (CDC) with streaming pipelines (Correct answer)
- Nightly batch ETL to a data warehouse
- Manual CSV exports from source systems
- Periodic full-table replication every 24 hours
Correct answer: Change data capture (CDC) with streaming pipelines
CDC captures row-level changes as they occur and streams them downstream, enabling near-real-time data freshness.
HAC Healthcare Analytics Data Collection & Management 2
Which data governance principle ensures that each data element has a designated owner responsible for its quality and accuracy?