NU 578 Unit 1 Exam - Advanced Nursing and Evidence-Based Practice
2026/2027 USA
1. Which component of the PICOT format represents the ‘I’?
A. Information
B. Implementation
C. Intervention or Interest
D. Investigation
Answer: C
Rationale: In the PICOT mnemonic, ‘I’ stands for Intervention or Issue of Interest, which is
the specific treatment or action being studied.
2. According to the hierarchy of evidence, which of the following is considered
the gold standard for testing the effects of an intervention?
A. Case-control studies
B. Expert opinion
C. Qualitative studies
D. Randomized Controlled Trials (RCTs)
Answer: D
Rationale: RCTs are considered the highest level of primary research evidence due to their
ability to minimize bias through randomization and control groups.
,3. What is the primary goal of Evidence-Based Practice (EBP)?
A. To reduce the cost of medical supplies
B. To increase the number of publications for a hospital
C. To prove that nursing theory is superior to medical theory
D. To improve patient outcomes through the integration of best evidence
Answer: D
Rationale: The fundamental goal of EBP is to improve patient care and outcomes by
combining the best research evidence with clinical expertise and patient values.
4. The nursing metaparadigm consists of four concepts: Person, Health,
Environment, and:
A. Medicine
B. Caregiving
C. Nursing
D. Research
Answer: C
Rationale: The four central concepts of the nursing metaparadigm are Person, Health,
Environment, and Nursing.
5. Which step of the EBP process involves evaluating the results of a practice
change?
A. Step 5
B. Step 2
C. Step 0
D. Step 1
Answer: A
Rationale: Step 5 of the EBP process involves evaluating the outcomes of the practice
change to determine if it was effective.
, 6. In a PICOT question, what does the ‘C’ stand for?
A. Clinical setting
B. Criteria
C. Comparison
D. Context
Answer: C
Rationale: The ‘C’ stands for Comparison, which is the standard of care or alternative
intervention used to compare against the primary intervention.
7. Which type of theory is most specific and has the narrowest scope for clinical
practice?
A. Grand theory
B. Middle-range theory
C. Metatheory
D. Practice-level theory
Answer: D
Rationale: Practice-level theories are the most specific and provide frameworks for
specific nursing interventions and limited populations.
8. What is the purpose of the Institutional Review Board (IRB)?
A. To protect the rights and welfare of human research subjects
B. To ensure researchers get published
C. To manage the hospital’s financial budget
D. To assign nursing shifts
Answer: A
Rationale: The IRB is a committee that reviews research involving human subjects to
ensure ethical standards are met and subjects are protected.
2026/2027 USA
1. Which component of the PICOT format represents the ‘I’?
A. Information
B. Implementation
C. Intervention or Interest
D. Investigation
Answer: C
Rationale: In the PICOT mnemonic, ‘I’ stands for Intervention or Issue of Interest, which is
the specific treatment or action being studied.
2. According to the hierarchy of evidence, which of the following is considered
the gold standard for testing the effects of an intervention?
A. Case-control studies
B. Expert opinion
C. Qualitative studies
D. Randomized Controlled Trials (RCTs)
Answer: D
Rationale: RCTs are considered the highest level of primary research evidence due to their
ability to minimize bias through randomization and control groups.
,3. What is the primary goal of Evidence-Based Practice (EBP)?
A. To reduce the cost of medical supplies
B. To increase the number of publications for a hospital
C. To prove that nursing theory is superior to medical theory
D. To improve patient outcomes through the integration of best evidence
Answer: D
Rationale: The fundamental goal of EBP is to improve patient care and outcomes by
combining the best research evidence with clinical expertise and patient values.
4. The nursing metaparadigm consists of four concepts: Person, Health,
Environment, and:
A. Medicine
B. Caregiving
C. Nursing
D. Research
Answer: C
Rationale: The four central concepts of the nursing metaparadigm are Person, Health,
Environment, and Nursing.
5. Which step of the EBP process involves evaluating the results of a practice
change?
A. Step 5
B. Step 2
C. Step 0
D. Step 1
Answer: A
Rationale: Step 5 of the EBP process involves evaluating the outcomes of the practice
change to determine if it was effective.
, 6. In a PICOT question, what does the ‘C’ stand for?
A. Clinical setting
B. Criteria
C. Comparison
D. Context
Answer: C
Rationale: The ‘C’ stands for Comparison, which is the standard of care or alternative
intervention used to compare against the primary intervention.
7. Which type of theory is most specific and has the narrowest scope for clinical
practice?
A. Grand theory
B. Middle-range theory
C. Metatheory
D. Practice-level theory
Answer: D
Rationale: Practice-level theories are the most specific and provide frameworks for
specific nursing interventions and limited populations.
8. What is the purpose of the Institutional Review Board (IRB)?
A. To protect the rights and welfare of human research subjects
B. To ensure researchers get published
C. To manage the hospital’s financial budget
D. To assign nursing shifts
Answer: A
Rationale: The IRB is a committee that reviews research involving human subjects to
ensure ethical standards are met and subjects are protected.
