Evidence Based Practice in Nursing
Midterm Exam Prep
(With Solutions)
2025
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, 1. A nurse formulates a PICO question about fall prevention. Which “O” is
most appropriate?
A. Patient satisfaction
B. Fall incidence reduction
C. Nurse workload
D. Length of stay
Answer: B. Rationale: Outcome must directly measure intervention
effectiveness.
2. In a systematic review, I² = 65%. This indicates:
A. Low heterogeneity
B. Substantial heterogeneity
C. No bias
D. High precision
Answer: B. Rationale: I² >50% = substantial variability.
3. Which study design best evaluates rare adverse drug events?
A. RCT
B. Cohort
C. Case reports/pharmacovigilance
D. Cross‑sectional
Answer: C. Rationale: Rare harms often detected in case reports.
4. CONSORT guidelines apply to:
A. Cohort studies
B. Case series
C. Randomized controlled trials
D. Qualitative studies
Answer: C. Rationale: CONSORT ensures transparent RCT reporting.
5. A diagnostic test has LR+ = 12. Interpretation?
A. Weak evidence
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