
Dosage Calculation 4.0 Parenteral (IV) Medications Test
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A nurse is preparing to administer 0.9% sodium chloride (0.9% NaCl) 500 mL IV to infuse over 6 hr. The drop factor of the manual IV tubing is 60 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
 
   gtt/min
 


To solve this problem, we need to calculate the drip rate in drops per minute (gtt/min). Here's the step-by-step process:

### Step 1: Identify the information given
- **Volume to be infused (V):** 500 mL
- **Time of infusion (T):** 6 hours
- **Drop factor (DF):** 60 gtt/mL

### Step 2: Convert the time from hours to minutes
- \( 6 \text{ hours} \times 60 \text{ minutes/hour} = 360 \text{ minutes} \)

### Step 3: Use the formula for calculating the drip rate
\[
\text{Drip rate} = \frac{V \times DF}{T}
\]
Where:
- \( V \) is the volume to be infused (500 mL)
- \( DF \) is the drop factor (60 gtt/mL)
- \( T \) is the time in minutes (360 minutes)

### Step 4: Substitute the values into the formula
\[
\text{Drip rate} = \frac{500 \text{ mL} \times 60 \text{ gtt/mL}}{360 \text{ minutes}}
\]
\[
\text{Drip rate} = \frac{30000 \text{ gtt}}{360 \text{ minutes}} \approx 83.33 \text{ gtt/min}
\]

### Step 5: Round to the nearest whole number
\[
\text{Drip rate} \approx 83 \text{ gtt/min}
\]

### Final Answer:
The nurse should set the manual IV infusion to deliver **83 gtt/min**.

Would you like further details or have any questions?

Here are 5 related questions you might find useful:
1. How do you calculate the infusion time if the drip rate and volume are known?
2. What is the significance of the drop factor in IV administration?
3. How would the drip rate change if the drop factor was different?
4. How do you calculate the drip rate for a different volume of IV fluid?
5. What are the risks of setting an incorrect drip rate?

**Tip:** Always double-check the time conversions and ensure that you round the final answer correctly according to the instructions.

Learn how to calculate the drip rate for administering 0.9% sodium chloride IV infusion over 6 hours. Step-by-step solution with the drip rate formula and detailed calculations. Suitable for medical professionals and nursing students.

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