NR-520: Applied Theoretical Foundations, Scientific
Inquiry & Decision-Making Exam LATEST 2026/2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+
Question 1
Which nursing theorist is known for the Environmental Theory?
A. Florence Nightingale
B. Dorothea Orem
C. Sister Callista Roy
D. Martha Rogers
Answer: A. Florence Nightingale
Rationale: Nightingale emphasized the influence of the environment on health
and healing.
Question 2
Evidence-based practice (EBP) integrates:
A. Research evidence, clinical expertise, and patient preferences
B. Research evidence only
C. Clinical experience only
D. Organizational policies only
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Answer: A. Research evidence, clinical expertise, and patient preferences
Rationale: EBP combines the best available evidence with clinical judgment and
patient values.
Question 3
Which type of research is primarily concerned with understanding experiences
and perceptions?
A. Qualitative research
B. Quantitative research
C. Experimental research
D. Epidemiologic research
Answer: A. Qualitative research
Rationale: Qualitative studies explore human experiences and meanings.
Question 4
A hypothesis is best defined as:
A. A testable prediction about relationships between variables
B. A final research conclusion
C. A literature review
D. A statistical test
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Answer: A. A testable prediction about relationships between variables
Rationale: Hypotheses guide research investigations.
Question 5
The PICOT format is used to:
A. Develop clinical research questions
B. Calculate statistics
C. Analyze budgets
D. Create policies
Answer: A. Develop clinical research questions
Rationale: PICOT helps structure evidence-based clinical questions.
Question 6
Which level of evidence is generally considered strongest?
A. Systematic review and meta-analysis
B. Expert opinion
C. Case report
D. Descriptive study
Answer: A. Systematic review and meta-analysis
Rationale: These synthesize findings from multiple high-quality studies.
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Question 7
The purpose of a literature review is to:
A. Examine existing knowledge on a topic
B. Collect laboratory samples
C. Recruit participants
D. Analyze finances
Answer: A. Examine existing knowledge on a topic
Rationale: Literature reviews identify evidence and knowledge gaps.
Question 8
A variable that is manipulated by the researcher is called:
A. Independent variable
B. Dependent variable
C. Confounding variable
D. Outcome variable
Answer: A. Independent variable
Rationale: The independent variable is the intervention or exposure.
Question 9
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