NUR401 - Midterm Exam Questions and
Correct Answers | Latest Update
GRADED A+.
1. T/F: The best way to prevent selection bias is to
randomly assign study participants to groups. - ANSWER
✓ True
Rationale: Selection bias in quantitative studies is best
controlled by assigning participants to groups on a random
basis. Other systematic and deliberate methods of
assignment normally increase the chance of selection
bias.
2. T/F: Internal evidence is characterized by findings that
are applicable and generalizable to multiple practice
settings. - ANSWER ✓ False
Rationale: Unlike external evidence, the generation of
internal evidence is intended to improve clinical practice
and patient outcomes within the local setting that it is
conducted.
,3. T/F: Internal evidence is characterized by findings that
are applicable and generalizable to multiple practice
settings. - ANSWER ✓ False
Rationale: Unlike external evidence, the generation of
internal evidence is intended to improve clinical practice
and patient outcomes within the local setting that it is
conducted.
4. T/F: A post-‐operative patient's statement that Dilaudid
(hydromorphone) has been ineffective in treating her pain
can be considered a form of evidence. - ANSWER ✓ True
Rationale: Patient preferences and experiences are an
important consideration and are a form of evidence. While
the patient's preference does not likely constitute the "final
word" on treatment choices, it must be weighed carefully
and integrated into the nurse' choice of intervention.
5. Which of the following sources of knowledge would a
nurse prioritize when determining the turning schedule for
an immobilized patient?
,A. The traditional practice on the unit
B. The nurse's knowledge of skin breakdown
C. The preferences of the patient and the patient's family
D. A clinical practice guideline for preventing skin
breakdown - ANSWER ✓ D. A clinical practice guideline
for preventing skin breakdown
Rationale: EBP encompasses patient preferences and the
clinical expertise of individual practitioners, but the primary
source of knowledge is research evidence. Clinical
practice guidelines synthesize this evidence in order to
guide practice.
6. Which of the following online evidence sources is most
likely to provide pre-appraised evidence?
A. CINAHL
B. MEDLINE
C. PubMed
D. Cochrane Library - ANSWER ✓ D. Cochrane Library
Rationale: The Cochrane Databases consist of systematic
reviews that synthesize evidence from multiple peer-
, reviewed sources. CINAHL, MEDLINE, and PubMed may
contain evidence at a synthesis level, but are more often
sources of individual articles that a nurse must appraise.
7. T/F: A controlled-vocabulary system may yield fewer
hits than a keyword search, but these hits are more likely
to be relevant to the clinical question. - ANSWER ✓ True
Rationale: Controlled vocabulary systems exist to increase
the relevance of search results while limiting the number
of less-relevant hits.
8. Which of the following sources of evidence is best able
to inform a nurse's clinical practice?
A. A well-designed randomized controlled trial (RCT)
B. A systematic review that encompasses multiple studies
C. Expert opinion of experienced and educated nurses
D. A case study that addresses an unique clinical scenario
- ANSWER ✓ B. A systematic review that encompasses
multiple studies
Correct Answers | Latest Update
GRADED A+.
1. T/F: The best way to prevent selection bias is to
randomly assign study participants to groups. - ANSWER
✓ True
Rationale: Selection bias in quantitative studies is best
controlled by assigning participants to groups on a random
basis. Other systematic and deliberate methods of
assignment normally increase the chance of selection
bias.
2. T/F: Internal evidence is characterized by findings that
are applicable and generalizable to multiple practice
settings. - ANSWER ✓ False
Rationale: Unlike external evidence, the generation of
internal evidence is intended to improve clinical practice
and patient outcomes within the local setting that it is
conducted.
,3. T/F: Internal evidence is characterized by findings that
are applicable and generalizable to multiple practice
settings. - ANSWER ✓ False
Rationale: Unlike external evidence, the generation of
internal evidence is intended to improve clinical practice
and patient outcomes within the local setting that it is
conducted.
4. T/F: A post-‐operative patient's statement that Dilaudid
(hydromorphone) has been ineffective in treating her pain
can be considered a form of evidence. - ANSWER ✓ True
Rationale: Patient preferences and experiences are an
important consideration and are a form of evidence. While
the patient's preference does not likely constitute the "final
word" on treatment choices, it must be weighed carefully
and integrated into the nurse' choice of intervention.
5. Which of the following sources of knowledge would a
nurse prioritize when determining the turning schedule for
an immobilized patient?
,A. The traditional practice on the unit
B. The nurse's knowledge of skin breakdown
C. The preferences of the patient and the patient's family
D. A clinical practice guideline for preventing skin
breakdown - ANSWER ✓ D. A clinical practice guideline
for preventing skin breakdown
Rationale: EBP encompasses patient preferences and the
clinical expertise of individual practitioners, but the primary
source of knowledge is research evidence. Clinical
practice guidelines synthesize this evidence in order to
guide practice.
6. Which of the following online evidence sources is most
likely to provide pre-appraised evidence?
A. CINAHL
B. MEDLINE
C. PubMed
D. Cochrane Library - ANSWER ✓ D. Cochrane Library
Rationale: The Cochrane Databases consist of systematic
reviews that synthesize evidence from multiple peer-
, reviewed sources. CINAHL, MEDLINE, and PubMed may
contain evidence at a synthesis level, but are more often
sources of individual articles that a nurse must appraise.
7. T/F: A controlled-vocabulary system may yield fewer
hits than a keyword search, but these hits are more likely
to be relevant to the clinical question. - ANSWER ✓ True
Rationale: Controlled vocabulary systems exist to increase
the relevance of search results while limiting the number
of less-relevant hits.
8. Which of the following sources of evidence is best able
to inform a nurse's clinical practice?
A. A well-designed randomized controlled trial (RCT)
B. A systematic review that encompasses multiple studies
C. Expert opinion of experienced and educated nurses
D. A case study that addresses an unique clinical scenario
- ANSWER ✓ B. A systematic review that encompasses
multiple studies
