CHI CHI Interoperability & Health Information Exchange 1 — Questions and Answers
Question 1: What does 'interoperability' mean in the context of health information technology?
- The ability of different health IT systems to exchange and use data meaningfully (Correct answer)
- The process of converting paper records to digital format
- A federal law governing EHR adoption
- The encryption standard used for HIPAA compliance
Correct answer: The ability of different health IT systems to exchange and use data meaningfully
Interoperability is the ability of health IT systems to communicate, exchange data, and use that data effectively across organizational boundaries.
Question 2: Which messaging standard is most widely used for exchanging clinical data between health IT systems in the US?
- X12 EDI
- HL7 v2 (Correct answer)
- DICOM
- JSON-LD
Correct answer: HL7 v2
HL7 v2 is the most widely deployed messaging standard for exchanging clinical data such as lab results and ADT events in the US.
Question 3: The 21st Century Cures Act includes provisions specifically designed to prevent:
- Over-prescribing of opioids
- Information blocking by health IT developers and providers (Correct answer)
- Unauthorized use of social media in healthcare
- Use of cloud storage for PHI
Correct answer: Information blocking by health IT developers and providers
The 21st Century Cures Act prohibits information blocking practices that interfere with the access, exchange, or use of electronic health information.
Question 4: A Health Information Exchange (HIE) that allows providers to query for patient records from other organizations on demand is operating in which model?
- Push model
- Pull (query-based) model (Correct answer)
- Broadcast model
- Federated push model
Correct answer: Pull (query-based) model
A pull or query-based HIE model allows authorized providers to request and retrieve patient records from other participants on demand.
Question 5: FHIR (Fast Healthcare Interoperability Resources) uses which underlying web technology standard for data exchange?
- SOAP/XML only
- EDI X12 transactions
- RESTful API with JSON or XML (Correct answer)
- DICOM web services
Correct answer: RESTful API with JSON or XML
FHIR uses RESTful API architecture with JSON or XML payloads, making it modern, lightweight, and easy to implement.
Question 6: Which patient matching challenge is a primary barrier to effective health information exchange in the US?
- Lack of internet connectivity in hospitals
- Absence of a national unique patient identifier (Correct answer)
- Incompatibility between Windows and Mac computers
- Shortage of FHIR-certified developers
Correct answer: Absence of a national unique patient identifier
The US lacks a national unique patient identifier, making accurate patient matching across organizations difficult and error-prone.
What does 'interoperability' mean in the context of health information technology?