_______ medicine is the conscientious, explicit, judicious use of the best scientific proof for making decisions about the care of individual patients.

Question

BlackTom AI · Accepted Answer

Evidence-based medicine is the conscientious, explicit, and judicious use of the best scientific evidence to make decisions about the care of individual patients.

Key knowledge points: this phrase is the classic definition of evidence-based medicine (EBM), often attributed to David Sackett and colleagues. EBM integrates three elements: best available research evidence (hierarchy: systematic reviews and meta-analyses, randomized controlled trials, observational studies), clinical expertise, and patient values/preferences. The terms in the definition map directly to EBM practice: "conscientious" (deliberate clinician effort), "explicit" (transparent methods), "judicious" (careful appraisal and application), and "best scientific proof" (high-quality evidence).

Step-by-step reasoning:
1. Compare the stem phrase words to common medical paradigms. The phrase emphasizes use of scientific proof rather than solely tradition, opinion, or authority.
2. Identify the concept that explicitly uses “best scientific proof” and describes decision-making for individual patients—this is the central tenet of EBM.
3. Recall the procedural steps of EBM that operationalize that definition: Ask (create answerable clinical question), Acquire (search for evidence), Appraise (critically evaluate validity and applicability), Apply (integrate evidence with clinical expertise and patient preferences), Assess (evaluate outcomes).
4. Match each component of the definition to EBM: “conscientious” = Ask/Acquire; “explicit/judicious” = Appraise/Apply; “best scientific proof” = focus on hierarchy of evidence; “care of individual patients” = integration with clinical expertise and patient values.

Why other options would be incorrect: terms like “experience-based” or “eminence-based” medicine emphasize clinician opinion or authority rather than systematic scientific evidence. “Patient-centered” medicine focuses on preferences but does not by itself require use of the best scientific proof. These do not match the precise wording in the stem.

Conclusion: The definition precisely describes Evidence-based medicine; therefore the correct answer is Evidence-based, matching the provided answer.

_______ medicine is the conscientious, explicit, judicious use of the best scientific proof for making decisions about the care of individual patients. 单项选择题

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