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藥理與非經腸給藥 · MEDIUM · MCQ

護理師準備皮下注射肝素(Heparin)。正確的操作手法為何?

A nurse is preparing to administer heparin subcutaneously. What is the correct technique?

  • AInject into the abdomen at least 2 inches from the umbilicus✓ 正解
    在距臍部至少 2 吋處進行腹部注射
  • BUse a 1-inch needle for the injection
    使用 1 吋針頭進行注射
  • CMassage the injection site after administration
    注射後按摩注射部位
  • DAspirate before injecting the medication
    注射藥物前進行抽吸
Explanation · 中文詳解

肝素皮下注射應選擇腹部脂肪處,並保持距離肚臍至少 2 英吋,以減少瘀青與疼痛。按摩注射部位(選項 C)會導致皮下出血或血腫。肝素注射不應抽吸(選項 D),否則會增加出血損傷。使用針頭規格通常為 25-27G 的短針,非 1 英吋長針(選項 B),以確保進入皮下層而不誤入肌肉。

The abdomen is the preferred site for subcutaneous heparin injections because it has abundant fatty tissue and consistent absorption rates. The injection should be administered at least 2 inches away from the umbilicus to avoid irritation and ensure proper absorption into the subcutaneous layer.

✦ 台美臨床差異

台美皆強調不按摩與不抽吸,但在腹部注射範圍的定義上,美國護理教材常更強調肚臍周圍禁區的精確距離。

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