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NCLEX-RN — Reduction of Risk Potential（リスク低減）: 120 practice questions
120 original NCLEX-RN questions on Reduction of Risk Potential（リスク低減）, each with an explanation and its source. Topics: Laboratory Values（検査値）, Diagnostic Tests / Specimen Collection（診断検査・検体採取）, Changes/Abnormalities in Vital Signs, System Specific / Focused Assessment（バイタル異常・系統別評価）, Potential for Complications of Procedures/Surgery（処置・手術の合併症）, Therapeutic Procedures（治療的処置）. Two free samples are below. Try 5 more free, no sign-up.
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Two Reduction of Risk Potential（リスク低減） questions with explanations
Open a question, choose an answer in your head, then open the explanation.
Q1 Laboratory Values（検査値）
A nurse reviews four clients' serum potassium results. The laboratory's reference range is 3.7–5.2 mEq/L. Which result should the nurse report to the provider?
- 3.9 mEq/L
- 4.6 mEq/L
- 5.0 mEq/L
- 6.1 mEq/L
Show the answer and explanation
Answer: D. 6.1 mEq/L is above the reference range. High potassium can cause dangerous heart rhythm changes, so it is reported promptly.
Sources: MedlinePlus Medical Encyclopedia（米国国立医学図書館） Potassium test（2025-05-19 review） · Hyperkalemia - StatPearls - NCBI Bookshelf
Q2 Laboratory Values（検査値）
Which hemoglobin A1C result meets the criterion for diagnosing diabetes?
- 5.4%
- 5.9%
- 6.2%
- 6.5%
Show the answer and explanation
Answer: D. An A1C of 6.5% or higher meets the diabetes criterion (confirmed by repeat testing unless hyperglycemia is obvious).
Sources: ADA Standards of Care in Diabetes 2025（Diagnosis）の要約 · Diagnosis and Classification of Diabetes: Standards of Care in Diabetes (Diabetes Care, PMC)
OTHER UNITS
NCLEX-RN practice questions by unit
- Management of Care（ケアのマネジメント） 180
- Safety and Infection Prevention and Control（安全と感染予防・管理） 130
- Health Promotion and Maintenance（健康増進と維持） 90
- Psychosocial Integrity（心理社会的統合性） 90
- Basic Care and Comfort（基本的ケアと安楽） 90
- Pharmacological and Parenteral Therapies（薬理と非経口療法） 160
- Physiological Adaptation（生理的適応） 140
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