LATEST UPDATED NU 560 MIDTERM -
RESEARCH AND EVIDENCE-BASED
PRACTICE | COMPLETE EXAM WITH
CORRECT ANSWERS AND RATIONALES.
A+ GUARANTEED SUCCESS
1. A nurse researcher is conducting a study to
determine the effectiveness of a new wound care
protocol. The researcher randomly assigns
participants to either the new protocol or the
standard protocol. This design is an example of:
A) Qualitative research
B) Quasi-experimental research
C) Experimental research (randomized controlled
trial)
D) Descriptive research
Correct answer: C
Rationale: Experimental research (RCT) involves
random assignment of participants to intervention
and control groups, manipulation of the independent
variable, and control of extraneous variables.
,Random assignment distinguishes experimental from
quasi-experimental designs.
2. A nurse is appraising a research article and notes
that the study design is a systematic review with
meta-analysis. Which level of evidence does this
represent according to the evidence hierarchy?
A) Level I (highest level)
B) Level II
C) Level III
D) Level IV
Correct answer: A
Rationale: Systematic reviews and meta-analyses of
randomized controlled trials represent the highest
level of evidence (Level I) in the evidence hierarchy,
followed by RCTs (Level II), quasi-experimental
studies (Level III), and non-experimental studies
(Level IV).
3. A nurse researcher is interested in exploring the
lived experience of patients with chronic pain. Which
research approach is most appropriate?
A) Quantitative experimental design
B) Quantitative descriptive design
,C) Qualitative phenomenological design
D) Mixed methods design
Correct answer: C
Rationale: Phenomenology is a qualitative research
approach focused on understanding the lived
experience of individuals related to a specific
phenomenon. It is appropriate for exploring
subjective experiences such as chronic pain.
4. The PICOT question format is used to guide
evidence-based practice inquiries. In the PICOT
acronym, the C stands for:
A) Comparison
B) Control
C) Comparison or Control (the alternative
intervention or group)
D) Clinical
Correct answer: C
Rationale: PICOT stands for Patient/Population,
Intervention, Comparison (or Control), Outcome, and
Time. The comparison is the alternative intervention
or control group to which the intervention is
compared.
, 5. A nurse is conducting a literature review and finds
multiple studies that report conflicting results. The
nurse should:
A) Disregard the studies with conflicting results
B) Report only the studies that support the
intervention
C) Critically appraise each study and synthesize the
evidence
D) Conclude that the evidence is not useful
Correct answer: C
Rationale: When conflicting evidence exists, the
nurse should critically appraise each study for
quality, methodology, and risk of bias, then
synthesize the evidence to draw conclusions.
Conflicting results may indicate need for further
research.
6. The ethical principle that requires researchers to
fully inform participants about the study's purpose,
procedures, risks, and benefits, and to obtain
voluntary consent is called:
A) Beneficence
B) Justice
C) Respect for persons (informed consent)
RESEARCH AND EVIDENCE-BASED
PRACTICE | COMPLETE EXAM WITH
CORRECT ANSWERS AND RATIONALES.
A+ GUARANTEED SUCCESS
1. A nurse researcher is conducting a study to
determine the effectiveness of a new wound care
protocol. The researcher randomly assigns
participants to either the new protocol or the
standard protocol. This design is an example of:
A) Qualitative research
B) Quasi-experimental research
C) Experimental research (randomized controlled
trial)
D) Descriptive research
Correct answer: C
Rationale: Experimental research (RCT) involves
random assignment of participants to intervention
and control groups, manipulation of the independent
variable, and control of extraneous variables.
,Random assignment distinguishes experimental from
quasi-experimental designs.
2. A nurse is appraising a research article and notes
that the study design is a systematic review with
meta-analysis. Which level of evidence does this
represent according to the evidence hierarchy?
A) Level I (highest level)
B) Level II
C) Level III
D) Level IV
Correct answer: A
Rationale: Systematic reviews and meta-analyses of
randomized controlled trials represent the highest
level of evidence (Level I) in the evidence hierarchy,
followed by RCTs (Level II), quasi-experimental
studies (Level III), and non-experimental studies
(Level IV).
3. A nurse researcher is interested in exploring the
lived experience of patients with chronic pain. Which
research approach is most appropriate?
A) Quantitative experimental design
B) Quantitative descriptive design
,C) Qualitative phenomenological design
D) Mixed methods design
Correct answer: C
Rationale: Phenomenology is a qualitative research
approach focused on understanding the lived
experience of individuals related to a specific
phenomenon. It is appropriate for exploring
subjective experiences such as chronic pain.
4. The PICOT question format is used to guide
evidence-based practice inquiries. In the PICOT
acronym, the C stands for:
A) Comparison
B) Control
C) Comparison or Control (the alternative
intervention or group)
D) Clinical
Correct answer: C
Rationale: PICOT stands for Patient/Population,
Intervention, Comparison (or Control), Outcome, and
Time. The comparison is the alternative intervention
or control group to which the intervention is
compared.
, 5. A nurse is conducting a literature review and finds
multiple studies that report conflicting results. The
nurse should:
A) Disregard the studies with conflicting results
B) Report only the studies that support the
intervention
C) Critically appraise each study and synthesize the
evidence
D) Conclude that the evidence is not useful
Correct answer: C
Rationale: When conflicting evidence exists, the
nurse should critically appraise each study for
quality, methodology, and risk of bias, then
synthesize the evidence to draw conclusions.
Conflicting results may indicate need for further
research.
6. The ethical principle that requires researchers to
fully inform participants about the study's purpose,
procedures, risks, and benefits, and to obtain
voluntary consent is called:
A) Beneficence
B) Justice
C) Respect for persons (informed consent)
