AHIC Information Systems 2

Question 1

Which database model is most commonly used in modern EHR systems for storing structured clinical data?

Accepted Answer

Relational model

Answer

Relational databases using SQL are the dominant model in EHR systems due to their support for structured queries and ACID compliance.

Question 2

In health information systems, what does the term 'interoperability' primarily refer to?

Accepted Answer

The ability of different systems to exchange and use information

Answer

Interoperability refers to the ability of different health IT systems to exchange, interpret, and use shared data effectively.

Question 3

A hospital wants to ensure that clinical decision support alerts are delivered at the point of care. Which system architecture best supports this?

Accepted Answer

Real-time event-driven system

Answer

Real-time event-driven architectures trigger alerts immediately when clinical conditions are met, enabling timely intervention.

Question 4

Which standard governs the messaging format for exchanging clinical documents between health information systems in the US?

Accepted Answer

HL7 v2/v3 and FHIR

Answer

HL7 (Health Level Seven) standards including v2, v3, and FHIR define messaging formats for clinical data exchange.

Question 5

What is the primary purpose of a Master Patient Index (MPI) in a healthcare information system?

Accepted Answer

To uniquely identify and link patient records across systems

Answer

An MPI maintains a unique identifier for each patient to prevent duplicate records and link data across disparate systems.

(AHIC) AMIA Health Informatics Certification Practice Test