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WGU D439 Foundations of Nursing Objective Assessment (OA) Practice Exam 2026/2027| 200 NCLEX-Style Questions with Rationales | pdf

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WGU D439 – Foundations of Nursing | Objective Assessment (OA) Overview WGU D439 – Foundations of Nursing is a foundational nursing course designed to prepare students for safe, evidence-based nursing practice and success on the Objective Assessment (OA). The course focuses on core nursing principles, patient-centered care, clinical judgment, safety, communication, professionalism, and the nursing process. The OA is generally a proctored exam that includes multiple-choice questions, Select-All-That-Apply (SATA), and scenario-based nursing application questions. Major Topics Commonly Covered  Nursing Process (ADPIE)  Patient Safety & Infection Control  Vital Signs & Health Assessment  Communication & Therapeutic Relationships  Delegation & Scope of Practice  Legal & Ethical Nursing Principles  Mobility, Hygiene, and Comfort  Documentation & Clinical Judgment  Evidence-Based Practice (EBP)  Basic Pharmacology & Medication Safety  Elimination, Nutrition, and Wound Care  Cultural Competence & Patient Education Key Concepts Students Should Master Nursing Process The five-step nursing process is central to the course: 1. Assessment 2. Diagnosis 3. Planning 4. Implementation 5. Evaluation Students are expected to recognize which nursing actions belong to each phase. Patient Safety Strong emphasis is placed on:  Fall prevention  Medication administration rights  Patient identification  Infection prevention protocols  Standard and transmission-based precautions Delegation Students must understand:  RN vs LPN/LVN responsibilities  Appropriate delegation to assistive personnel (AP/UAP)  Tasks requiring nursing judgment Ethics & Professionalism Common principles include:  Autonomy  Beneficence  Nonmaleficence  Justice  Confidentiality  Informed consent Therapeutic Communication Questions often test:  Active listening  Open-ended responses  Empathy  Appropriate nurse-client communication techniques Common Exam Question Styles The OA may include:  Priority questions  SATA questions  NCLEX-style clinical scenarios  Delegation questions  Safety-based decision making  Nursing process application questions Study Tips for Success Students who passed D439 commonly recommend:  Practicing NCLEX-style questions daily  Focusing heavily on safety and prioritization  Reviewing delegation rules repeatedly  Using active recall and flashcards  Studying rationales, not just answers  Watching cohort videos and review lectures High-Yield Areas Frequently Mentioned  ADPIE nursing process  Maslow hierarchy & prioritization  Infection control precautions  Therapeutic communication  Patient positioning  Vital sign interpretation  Documentation standards  Scope of practice  Ethical nursing actions  Medication administration safety Quick Exam Preparation Strategy Week 1  Nursing fundamentals  Nursing process  Professionalism  Ethics Week 2  Safety  Infection control  Mobility  Hygiene  Vital signs Week 3  Delegation  Communication  Documentation  NCLEX-style practice questions Final Review  Focus only on weak areas  Complete timed practice exams  Review rationales carefully  Practice prioritization questions Recommended Approach During the OA  Read the question stem carefully  Identify patient safety risks first  Eliminate clearly unsafe options  Prioritize airway, breathing, circulation (ABC)  Use Maslow’s hierarchy when prioritizing care  Select the most therapeutic response in communication questions

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,WGU D439 Foundations of Nursing Objective
Assessment (OA) Practice Exam 2026/2027| 200
NCLEX-Style Questions with Rationales | pdf

SECTION 1: NURSING PROCESS & CLINICAL
JUDGMENT (Questions 1-20)
Q1. A nurse is assessing a patient who is 1 day
post-operative. The patient rates pain 9/10 and the
surgical site is draining yellow fluid. In which
phase of the nursing process is the nurse working?
A) Planning
B) Evaluation
C) Assessment
D) Implementation
Answer: C
Rationale: Assessment is the first step of the
nursing process, involving the collection of
subjective data (pain rating) and objective data
(wound drainage). The nurse is gathering data,
which defines the assessment phase .

,Q2. After reviewing assessment data, a nurse
identifies that a patient's wound is infected and
writes the nursing diagnosis "Impaired Skin
Integrity." This occurs during which step?
A) Assessment
B) Diagnosis
C) Planning
D) Evaluation
Answer: B
Rationale: Diagnosis is the step where the nurse
analyzes assessment data to identify actual or
potential health problems and formulates nursing
diagnoses. NANDA-I nursing diagnoses address
patient responses to health problems .



Q3. A nurse sets a goal for a patient with activity
intolerance: "Patient will ambulate 50 feet in the
hallway by end of shift." This is part of:
A) Assessment
B) Diagnosis

, C) Planning
k




D) Implementation
k




Answer: C k




Rationale: Planning involves setting patient-
k k k k




centered, measurable goals and expected
k k k k




outcomes. This goal is specific, measurable,
k k k k k k




achievable, relevant, and time-bound (SMART
k k k k k




criteria) .
k k




Q4. A nurse repositions a patient who is at risk for skin
k k k k k k k k k k k




breakdown. This action occurs during which phase?
k k k k k k k




A) Planning
k




B) Diagnosis
k




C) Assessment
k




D) Implementation
k




Answer: D k




Rationale: Implementation is the "action" phase of
k k k k k k




the nursing process where the nurse carries out the
k k k k k k k k k




interventions identified in the care plan .
k k k k k k k

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