INFORMATICS: COMPREHENSIVE PRACTICE
EXAMINATION – STUDY GUIDE | LATEST UPDATE
2026/2027 | ACTUAL EXAM | PRACTICE QUESTIONS
AND ANSWERS | EXAM REVIEW | 100% CORRECT
ANSWERS | VERIFIED SOLUTIONS
This comprehensive practice examination is meticulously designed for candidates preparing for
the Western Governors University (WGU) C790 Foundations in Nursing Informatics Objective
Assessment. Aligned with the 2026/2027 curriculum, this document serves as a definitive study
guide and exam review, featuring 100 super-advanced questions that mirror the complexity and
rigor of the actual certification examination. It covers both theoretical foundations and practical
clinical applications, including the DIKW framework, Systems Development Life Cycle (SDLC),
health information systems, standardized terminologies, clinical decision support, privacy and
security regulations, usability, and change management. Each question is accompanied by a
detailed, verified solution to ensure 100% correct answers and a deep, integrated understanding
of nursing informatics principles, guaranteeing distinction-level preparation for this critical
nursing credential.
Table of Contents
1. Foundations of Nursing Informatics and the DIKW Framework
2. Systems Development Life Cycle (SDLC) and Project Management
3. Health Information Systems and Electronic Health Records (EHR)
4. Data Management, Standards, and Interoperability (HL7, FHIR, LOINC, SNOMED CT, ICD)
5. Clinical Decision Support Systems (CDSS) and Evidence-Based Practice (EBP)
6. Privacy, Security, and Ethical/Legal Issues (HIPAA)
7. Usability, Human Factors, and Change Management
8. Nursing Informatics Roles, Competencies, and Professional Practice
,Question 1
A nurse enters a patient's blood pressure reading of "120/80" into the electronic health record. At
this moment, before any clinical context is applied, this value is considered:
A) Information
B) Knowledge
C) Wisdom
D) Data
Correct Answer: D
Data are discrete, objective facts or measurements without interpretation. The blood pressure
reading becomes "Information" only once it is interpreted against normal values or trends.
Knowledge involves synthesis of relationships, and wisdom is the appropriate application of that
knowledge.
Question 2
A nursing informatics specialist analyzes a spreadsheet of hospital fall rates to identify trends
and patterns related to specific times of day. This synthesis of data to identify relationships
represents the transformation of data into:
A) Wisdom
B) Raw facts
C) Knowledge
D) Input
Correct Answer: C
Knowledge is created when information is synthesized so that relationships are identified and
formalized. Wisdom is the appropriate application of that knowledge to manage human
problems. The analysis of trends and patterns moves beyond raw data into meaningful,
relational understanding.
Question 3
A charge nurse overrides a medication alert because the patient's specific clinical presentation
,indicates the alert is a false positive. This decision-making process best exemplifies:
A) Data acquisition
B) Information processing
C) Wisdom
D) Raw data storage
Correct Answer: C
Wisdom is defined as the appropriate use of knowledge to manage and solve human problems,
such as recognizing the exception to a clinical rule. The nurse applies clinical judgment and
ethical consideration to override a system-generated alert based on individual patient context.
Question 4
What is the correct order of the DIKW Metaparadigm?
A) Wisdom → Information → Knowledge → Data
B) Data → Information → Knowledge → Wisdom
C) Information → Data → Knowledge → Wisdom
D) Data → Knowledge → Information → Wisdom
Correct Answer: B
The DIKW hierarchy moves from raw data (unprocessed facts) to information (interpreted data)
to knowledge (synthesized relationships) to wisdom (appropriate application). This progression
represents the increasing complexity and value of information as it is processed and applied.
Question 5
What is Nursing Informatics?
A) The study of computer hardware
B) A specialty that integrates nursing science with multiple informational and analytical sciences
to identify, define, manage, and communicate data, information, knowledge, and wisdom in
nursing practice
C) The practice of medical billing and coding
D) The management of hospital finances
, Correct Answer: B
This is the ANA-accepted definition of nursing informatics. Nursing informatics integrates
nursing science, computer science, and information science to support data-driven patient care,
improve workflows, and enhance decision-making in healthcare settings.
Question 6
Information is best defined as:
A) A collection of raw facts
B) Data that has been interpreted, organized, or structured
C) The appropriate application of knowledge
D) A computer file
Correct Answer: B
Information results from applying context and meaning to raw data. Raw numbers alone
represent data; when those numbers are organized and given meaning, they become information
that can inform clinical decisions.
Question 7
Wisdom is defined as:
A) A collection of data points
B) Interpreted data organized into a structure
C) Appropriate use of knowledge to manage and solve human problems
D) The systematic study of information
Correct Answer: C
Wisdom represents the highest level of the DIKW continuum—the application of knowledge with
ethical consideration and clinical judgment. It involves knowing when and how to apply
knowledge in complex, real-world situations.