WGU C790 Nursing Informatics Objective Assessment
(OA) Exam: Versions A, B & C – Complete Study Guide
with Practice Questions & Answers
300 QUESTIONS
TABLE OF CONTENTS
# TOPIC
1 Informatics Foundations
2 EHR & Clinical Systems
3 Standardized Terminologies
4 Data Standards & Interoperability
5 Privacy, Security & Ethics
6 Systems & Workflow
7 Analytics & Emerging Tech
,Q1
Which model describes the progression from data to wisdom?
A) Nursing process
B) DIKW framework CORRECT
C) SDLC
D) TIGER
Rationale
DIKW stands for Data, Information, Knowledge, Wisdom, foundational in nursing informatics.
Q2
What is the primary purpose of an electronic health record (EHR)?
A) Billing only
B) Longitudinal patient health information CORRECT
C) Staff scheduling
D) Inventory management
Rationale
EHRs store comprehensive patient data over time to support care.
Q3
Which term refers to data with meaning and context?
A) Data
B) Information CORRECT
C) Knowledge
D) Wisdom
2
,Rationale
Information is processed data that has meaning.
Q4
What does CPOE stand for?
A) Computerized Patient Order Entry
B) Computerized Provider Order Entry CORRECT
C) Clinical Provider Order Entry
D) Central Patient Order Entry
Rationale
CPOE allows providers to enter orders electronically.
Q5
Which system uses barcodes to verify medication administration?
A) eMAR
B) BCMA CORRECT
C) CPOE
D) CDS
Rationale
Barcode medication administration reduces medication errors.
Q6
Which standardized terminology is used for nursing diagnoses?
A) LOINC
B) NANDA-I CORRECT
3
, C) CPT
D) ICD-10
Rationale
NANDA-I provides standardized nursing diagnoses.
Q7
What does HL7 primarily support?
A) Imaging
B) Health data exchange CORRECT
C) Billing
D) Pharmacy inventory
Rationale
HL7 standards enable interoperability between health systems.
Q8
Which law protects patient health information privacy?
A) HITECH
B) HIPAA CORRECT
C) ACA
D) EMTALA
Rationale
HIPAA sets national standards for protecting health information.
4
(OA) Exam: Versions A, B & C – Complete Study Guide
with Practice Questions & Answers
300 QUESTIONS
TABLE OF CONTENTS
# TOPIC
1 Informatics Foundations
2 EHR & Clinical Systems
3 Standardized Terminologies
4 Data Standards & Interoperability
5 Privacy, Security & Ethics
6 Systems & Workflow
7 Analytics & Emerging Tech
,Q1
Which model describes the progression from data to wisdom?
A) Nursing process
B) DIKW framework CORRECT
C) SDLC
D) TIGER
Rationale
DIKW stands for Data, Information, Knowledge, Wisdom, foundational in nursing informatics.
Q2
What is the primary purpose of an electronic health record (EHR)?
A) Billing only
B) Longitudinal patient health information CORRECT
C) Staff scheduling
D) Inventory management
Rationale
EHRs store comprehensive patient data over time to support care.
Q3
Which term refers to data with meaning and context?
A) Data
B) Information CORRECT
C) Knowledge
D) Wisdom
2
,Rationale
Information is processed data that has meaning.
Q4
What does CPOE stand for?
A) Computerized Patient Order Entry
B) Computerized Provider Order Entry CORRECT
C) Clinical Provider Order Entry
D) Central Patient Order Entry
Rationale
CPOE allows providers to enter orders electronically.
Q5
Which system uses barcodes to verify medication administration?
A) eMAR
B) BCMA CORRECT
C) CPOE
D) CDS
Rationale
Barcode medication administration reduces medication errors.
Q6
Which standardized terminology is used for nursing diagnoses?
A) LOINC
B) NANDA-I CORRECT
3
, C) CPT
D) ICD-10
Rationale
NANDA-I provides standardized nursing diagnoses.
Q7
What does HL7 primarily support?
A) Imaging
B) Health data exchange CORRECT
C) Billing
D) Pharmacy inventory
Rationale
HL7 standards enable interoperability between health systems.
Q8
Which law protects patient health information privacy?
A) HITECH
B) HIPAA CORRECT
C) ACA
D) EMTALA
Rationale
HIPAA sets national standards for protecting health information.
4
