WGU D439 FOUNDATIONS OF NURSING – OBJECTIVE ASSESSMENT (OA) EXAM Practice

WGU D439 FOUNDATIONS OF
NURSING – OBJECTIVE
ASSESSMENT (OA) EXAM Practice
Questions with Correct Answers &
Detailed Rationales 2026/2027 Edition



SECTION 1: NURSING PROCESS & CRITICAL
THINKING




Question 1:
What is the correct order of the nursing process?


A) Assessment, Planning, Diagnosis,
Implementation, Evaluation
B) Assessment, Diagnosis, Planning,
Implementation, Evaluation


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,C) Diagnosis, Assessment, Planning,
Implementation, Evaluation
D) Planning, Assessment, Diagnosis,
Implementation, Evaluation


Correct Answer: B) Assessment, Diagnosis,
Planning, Implementation, Evaluation


Rationale: The nursing process is Assessment,
Diagnosis, Planning, Implementation, and
Evaluation (ADPIE). This systematic, dynamic, and
continuous process guides nursing practice and
ensures patient-centered, outcome-focused care .




Question 2:
A nurse is collecting data about a patient's health
status. During which phase of the nursing process
does this occur?

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,A) Diagnosis
B) Assessment
C) Planning
D) Implementation


Correct Answer: B) Assessment


Rationale: Assessment is the first phase of the
nursing process and involves systematic collection
of subjective and objective data about the patient's
health status .




Question 3:
A nurse assesses a patient's pain as 8/10, notes
grimacing, and elevated heart rate. After

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, administering pain medication, the nurse reassesses
the patient's pain as 3/10. This is an example of:


A) Assessment and planning
B) Planning and implementation
C) Diagnosis and planning
D) Assessment and evaluation


Correct Answer: D) Assessment and evaluation


Rationale: The initial pain assessment is assessment;
reassessing after intervention is evaluation .




Question 4:



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