# 護理師必須在 30 分鐘內輸注 100 mL 的靜脈輸液。輸液套管的滴係數為 20 gtt/mL。護理師應調節為多少 gtt/min？答案請以整數記錄。僅在計算最後才進行四捨五入。

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=603817&lang=zh-tw  
> language: zh-TW  
> subject: Parenteral/IV Therapies  
> category: PPT

## 題目

護理師必須在 30 分鐘內輸注 100 mL 的靜脈輸液。輸液套管的滴係數為 20 gtt/mL。護理師應調節為多少 gtt/min？答案請以整數記錄。僅在計算最後才進行四捨五入。

Record your answer using a whole number.

gtt/min

Enter the number only. The unit is already shown. Round only at the end of the calculation.

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0

C⌫÷×
789−
456+
123=
0.Use rounded result

## 解析

使用（輸液量 × 滴係數）÷ 分鐘數：（100 mL × 20 gtt/mL）÷ 30 min = 66.67 gtt/min，四捨五入後為 67 gtt/min。

## 深入解析

快速解答
67 gtt/min。
解題設定
每分鐘滴數 =（輸注 mL 數 × gtt/mL）÷ 分鐘數。
計算過程
（100 × 20）÷ 30 = 66.666…。僅對最終結果四捨五入至要求的整數：67。
**參考來源**
- NCSBN — NCLEX Frequently Asked Questions: Calculation Items

- NCSBN — Prepare for the NCLEX

## 重要概念

- **Drop factor** — 輸液套管每毫升液體輸送的滴數。
- **Gravity infusion** — 藉由計算滴數而非設定幫浦來調節的輸注方式。

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