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基本照護與舒適 · MEDIUM · MCQ

護理師正在評估病人的營養狀況。哪項實驗室數值是長期營養狀況的最佳指標?

A nurse is assessing a client's nutritional status. Which laboratory value is the best indicator of long-term nutritional status?

  • ATransferrin
    轉鐵蛋白
  • BSerum Albumin✓ 正解
    血清白蛋白
  • CPrealbumin
    前白蛋白
  • DBlood Urea Nitrogen (BUN)
    血中尿素氮 (BUN)
Explanation · 中文詳解

本題旨在評估護理師對不同營養指標的理解,特別是長期營養狀況的最佳指標。核心概念是了解各種血清蛋白的半衰期(half-life),因為半衰期長短決定了它們能反映短期或長期營養變化。血清白蛋白(Serum Albumin)的半衰期相對較長,約為 20 天,因此它是反映過去幾週甚至數月營養狀況的良好指標,對於評估慢性疾病或長期營養不良的病人特別有用。護理師應能根據這些數值變化,綜合評估病人的營養狀態並規劃適當的介入措施。

Serum albumin is the best indicator of long-term nutritional status because it has a long half-life of approximately 20 days, reflecting nutritional intake over several weeks. Unlike prealbumin, which indicates short-term changes, or transferrin, which is influenced by iron levels, albumin provides a stable measure of the body's protein reserves.

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