Research & Evidence-Based Practice Flashcards
7 cards from real Cardiac Vascular Nursing Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Research & Evidence-Based Practice flashcards as text
A cardiac nurse proposes a phenomenological qualitative study exploring the lived experience of patients awaiting heart transplantation. What is the PRIMARY goal of this research approach?
Answer: To describe and understand the subjective lived experience of participants
Phenomenology aims to explore and describe the essence of lived human experiences from the participants' own perspective, not to quantify or compare outcomes.
When appraising a study on antiplatelet therapy duration after drug-eluting stent placement, a nurse finds an I² statistic of 75%. What does this indicate about the meta-analysis?
Answer: High heterogeneity exists across the included studies
An I² of 75% indicates high statistical heterogeneity, meaning there is substantial variability in study results that is not attributable to chance alone.
A cardiovascular nursing journal requires that submitted studies report their data collection and analysis methodology in sufficient detail for replication. This requirement addresses which principle of scientific rigor?
Answer: Transparency and reproducibility
Transparency and reproducibility require that methods be described in sufficient detail to allow other researchers to replicate or audit the study.
A cardiac nurse practitioner uses the GRADE approach to evaluate evidence for a new heart failure guideline recommendation. In GRADE, which factor would DOWNGRADE evidence quality?
Answer: Risk of bias identified in included studies
In the GRADE framework, evidence quality is downgraded for serious risk of bias, inconsistency, indirectness, imprecision, or publication bias in the underlying studies.
A nurse researcher obtains informed consent from patients before enrolling them in a study on vascular wound care. Which ethical principle does this PRIMARILY uphold?
Answer: Respect for autonomy (respect for persons)
Informed consent is the primary mechanism for upholding respect for autonomy (respect for persons), ensuring participants voluntarily agree with full understanding of the study.
After reading a case series on a novel cardiac catheterization complication management technique, a nurse evaluates this evidence for protocol adoption. Why is a case series considered LOW-level evidence?
Answer: Case series lack a comparison group and may reflect selection bias
Case series describe outcomes in a selected group without a comparison group, making it impossible to determine whether observed outcomes differ from the natural history of disease.
A multidisciplinary team conducts a root cause analysis (RCA) after a cardiac monitoring alarm fatigue event leads to a delayed response. Which research method BEST complements RCA findings to develop prevention strategies?
Answer: Failure mode and effects analysis (FMEA) combined with process mapping
FMEA proactively identifies potential failure points and their effects before they occur, and when combined with process mapping after an RCA, it provides a comprehensive basis for prevention strategies.
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