AHIC Information Systems 3

Question 1

A clinical informaticist notices that a medication order entry system frequently times out during peak hours. What is the FIRST step in troubleshooting this performance issue?

Accepted Answer

Analyze system logs and monitor resource utilization

Answer

Analyzing logs and monitoring CPU, memory, and network utilization provides objective data to identify the root cause before making changes.

Question 2

Which concept describes the practice of building redundant components in a health information system to prevent single points of failure?

Accepted Answer

Fault tolerance

Answer

Fault tolerance involves redundant components so that if one fails, the system continues operating without disruption.

Question 3

In the context of EHR data architecture, what is 'data normalization' designed to minimize?

Accepted Answer

Data redundancy and update anomalies

Answer

Normalization organizes relational database tables to reduce redundancy and dependency, preventing inconsistencies during updates.

Question 4

What does a 'disaster recovery plan' in a healthcare information system context primarily address?

Accepted Answer

Restoring IT systems and data after a disruptive event

Answer

A disaster recovery plan outlines procedures to restore IT infrastructure and data access after events like system failures or cyberattacks.

Question 5

Which data exchange approach uses a push model where the source system automatically sends updates to subscribing systems without being requested?

Accepted Answer

Publish-subscribe (pub/sub)

Answer

Publish-subscribe architecture allows source systems to push data to subscribers automatically when events occur, enabling real-time integration.

(AHIC) AMIA Health Informatics Certification Practice Test

(AHIC) AMIA Health Informatics Certification Practice Test

AHIC Information Systems 3