NR449 QUIZ 4 EXAM PREP NURSING
RESEARCH & EVIDENCE-BASED PRACTICE
(EBP) MASTER QUESTION BANK WITH
DETAILED RATIONALES
Master your nursing research exam with this comprehensive,
high-yield Nursing Research & Evidence-Based Practice
(EBP) Test Bank Master Pack. Featuring over exam-style
multiple-choice questions, each question is paired with a
direct answer and a detailed, bold-italicized rationale for
rapid self-paced studying. It is the ultimate preparation tool
explicitly designed to help nursing students pass core
research courses like NR449 with top marks.
Question 1
Which of the following represents the highest level of evidence on
the traditional evidence hierarchy pyramid?
•
• A) Randomized Controlled Trial (RCT)
• B) Systematic Review or Meta-Analysis
, • C) Cohort Study
• D) Expert Opinion
• Answer: B
• Rationale: Systematic reviews and meta-analyses
synthesize results from multiple high-quality
quantitative studies (like RCTs), minimizing bias and
providing the strongest basis for evidence-based
practice guidelines.
•
Question 2
In a PICO question format, what does the "I" represent?
•
• A) Intervention or Exposure
• B) Implementation Strategy
• C) Investigation Method
• D) Institution Type
• Answer: A
• Rationale: The PICO acronym stands for
Population/Patient (P), Intervention/Exposure (I),
Comparison (C), and Outcome (O).
•
Question 3
,A researcher is studying the lived experiences of patients
undergoing chemotherapy for the first time. Which research
design is most appropriate?
•
• A) Quasi-experimental
• B) Phenomenological
• C) Grounded theory
• D) Correlational
• Answer: B
• Rationale: Phenomenology is a qualitative research
approach that focuses on understanding the lived
experiences of individuals dealing with a specific
concept or phenomenon.
•
Question 4
What is the primary purpose of an Institutional Review Board
(IRB)?
•
• A) To ensure the financial profitability of a research project
• B) To protect the rights, welfare, and safety of human
research subjects
• C) To edit the grammatical structure of research manuscripts
• D) To assign funding to academic researchers
• Answer: B
, • Rationale: The primary, legally mandated mission of an
IRB is to review research protocols involving human
participants to guarantee ethical standards and safety
measures are met.
•
Question 5
Which type of variable is manipulated or controlled by the
researcher in an experimental study?
•
• A) Dependent variable
• B) Extraneous variable
• C) Independent variable
• D) Confounding variable
• Answer: C
• Rationale: The independent variable is the intervention,
treatment, or condition that the researcher intentionally
manipulates to observe its effect on the dependent
variable.
•
Question 6
A nursing student is looking for a comparison group in an existing
research article. If the article notes that "participants received
standard care with no new intervention," this group is serving as
a:
•
RESEARCH & EVIDENCE-BASED PRACTICE
(EBP) MASTER QUESTION BANK WITH
DETAILED RATIONALES
Master your nursing research exam with this comprehensive,
high-yield Nursing Research & Evidence-Based Practice
(EBP) Test Bank Master Pack. Featuring over exam-style
multiple-choice questions, each question is paired with a
direct answer and a detailed, bold-italicized rationale for
rapid self-paced studying. It is the ultimate preparation tool
explicitly designed to help nursing students pass core
research courses like NR449 with top marks.
Question 1
Which of the following represents the highest level of evidence on
the traditional evidence hierarchy pyramid?
•
• A) Randomized Controlled Trial (RCT)
• B) Systematic Review or Meta-Analysis
, • C) Cohort Study
• D) Expert Opinion
• Answer: B
• Rationale: Systematic reviews and meta-analyses
synthesize results from multiple high-quality
quantitative studies (like RCTs), minimizing bias and
providing the strongest basis for evidence-based
practice guidelines.
•
Question 2
In a PICO question format, what does the "I" represent?
•
• A) Intervention or Exposure
• B) Implementation Strategy
• C) Investigation Method
• D) Institution Type
• Answer: A
• Rationale: The PICO acronym stands for
Population/Patient (P), Intervention/Exposure (I),
Comparison (C), and Outcome (O).
•
Question 3
,A researcher is studying the lived experiences of patients
undergoing chemotherapy for the first time. Which research
design is most appropriate?
•
• A) Quasi-experimental
• B) Phenomenological
• C) Grounded theory
• D) Correlational
• Answer: B
• Rationale: Phenomenology is a qualitative research
approach that focuses on understanding the lived
experiences of individuals dealing with a specific
concept or phenomenon.
•
Question 4
What is the primary purpose of an Institutional Review Board
(IRB)?
•
• A) To ensure the financial profitability of a research project
• B) To protect the rights, welfare, and safety of human
research subjects
• C) To edit the grammatical structure of research manuscripts
• D) To assign funding to academic researchers
• Answer: B
, • Rationale: The primary, legally mandated mission of an
IRB is to review research protocols involving human
participants to guarantee ethical standards and safety
measures are met.
•
Question 5
Which type of variable is manipulated or controlled by the
researcher in an experimental study?
•
• A) Dependent variable
• B) Extraneous variable
• C) Independent variable
• D) Confounding variable
• Answer: C
• Rationale: The independent variable is the intervention,
treatment, or condition that the researcher intentionally
manipulates to observe its effect on the dependent
variable.
•
Question 6
A nursing student is looking for a comparison group in an existing
research article. If the article notes that "participants received
standard care with no new intervention," this group is serving as
a:
•
