NR-520: Applied Theoretical Foundations, Scientific
Inquiry & Decision-Making LATEST 2026 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+
Question 1
The primary purpose of nursing theory is to:
A. Replace clinical judgment
B. Guide nursing practice and decision-making
C. Eliminate research
D. Focus only on hospital policy
Answer: B
Rationale: Nursing theory provides a framework to guide practice and clinical
reasoning.
Question 2
Which best describes evidence-based practice (EBP)?
A. Opinion-based care
B. Integration of research, clinical expertise, and patient values
C. Tradition-based care
D. Physician-only decision making
Answer: B
Rationale: EBP combines best research evidence with clinical judgment and
patient preferences.
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Question 3
Which component is part of the PICO framework?
A. Procedure
B. Population
C. Prescription
D. Prognosis only
Answer: B
Rationale: PICO stands for Population, Intervention, Comparison, Outcome.
Question 4
Which type of research is most appropriate for exploring lived experiences?
A. Quantitative
B. Experimental
C. Qualitative
D. Randomized controlled trial
Answer: C
Rationale: Qualitative research explores experiences and meanings.
Question 5
Which is a characteristic of quantitative research?
A. Narrative data
B. Numerical data
C. Storytelling
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D. Thematic analysis
Answer: B
Rationale: Quantitative research uses measurable numerical data.
Question 6
Which is the strongest level of evidence?
A. Expert opinion
B. Randomized controlled trials
C. Case reports
D. Descriptive studies
Answer: B
Rationale: RCTs provide high-quality experimental evidence.
Question 7
Which is an example of a theory in nursing?
A. Maslow’s hierarchy
B. Florence Nightingale’s Environmental Theory
C. BMI scale
D. Vital signs chart
Answer: B
Rationale: Nightingale’s theory is foundational in nursing practice.
Question 8
What is the first step in the research process?
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A. Data analysis
B. Problem identification
C. Literature review only
D. Conclusion writing
Answer: B
Rationale: Research begins by identifying a problem.
Question 9
Which is an example of a hypothesis?
A. A question only
B. A testable prediction
C. A nursing diagnosis
D. A policy statement
Answer: B
Rationale: A hypothesis predicts relationships between variables.
Question 10
Which sampling method gives every member equal chance?
A. Convenience sampling
B. Random sampling
C. Purposive sampling
D. Snowball sampling
Answer: B
Rationale: Random sampling reduces bias.
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