# 醫囑為口服液體藥物 375 mg。現有藥物為 250 mg per 5 mL。護理師應給予多少 mL？答案請記錄至小數點後一位。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=603815&lang=zh-tw  
> language: zh-TW  
> subject: Medication Administration  
> category: PPT

## 題目

醫囑為口服液體藥物 375 mg。現有藥物為 250 mg per 5 mL。護理師應給予多少 mL？答案請記錄至小數點後一位。僅在計算最後才進行四捨五入。

Record your answer using one decimal place.

mL

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

Calculator

0

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

## 解析

將醫囑劑量與現有劑量的比值乘以提供的體積：（375 mg ÷ 250 mg）× 5 mL = 7.5 mL。

## 深入解析

快速解答
7.5 mL。
解題設定
應給體積 =（醫囑劑量 ÷ 現有劑量）× 現有體積。
計算過程
（375 ÷ 250）× 5 = 7.5。因為 mL 已另外顯示，故僅輸入數字。
**參考來源**
- NCSBN — NCLEX Frequently Asked Questions: Calculation Items

- NCSBN — Prepare for the NCLEX

## 重要概念

- **Oral liquid concentration** — 在特定液體體積中所提供的藥量。
- **Dose ratio** — 醫囑劑量除以現有劑量。

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