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The problem requires determining the IV pump rate (in mL/hr) for administering famotidine 20 mg in 100 mL dextrose over 15 minutes.

To solve this, follow these steps:

1. **Identify the total volume to be infused**: 100 mL.
2. **Determine the infusion time in hours**: 
   \[
   \text{Infusion time} = \frac{15 \, \text{minutes}}{60} = 0.25 \, \text{hours}
   \]
3. **Calculate the IV flow rate**:
   \[
   \text{Flow rate (mL/hr)} = \frac{\text{Volume (mL)}}{\text{Time (hours)}} = \frac{100 \, \text{mL}}{0.25 \, \text{hours}} = 400 \, \text{mL/hr}
   \]

Thus, the nurse should set the IV pump to **400 mL/hr**.

Would you like further details or have any other questions?

Here are some related questions you could explore:

1. What is the importance of infusion time in IV therapy?
2. How can different infusion times affect patient treatment?
3. Why is it important to round off the IV flow rate?
4. What precautions are needed when using dextrose solutions for infusions?
5. How do you calculate flow rate if the concentration of the drug changes?

**Tip:** Always double-check units (mL, minutes, hours) when calculating infusion rates!

A nurse is preparing to administer famotidine 20 mg by intermittent IV bolus now. Available is famotidine 20 mg in 100 mL dextrose 5% (D5W) to infuse over 15 min. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Learn how to calculate the IV flow rate for administering 20 mg of famotidine in 100 mL of dextrose 5% solution over 15 minutes. This step-by-step guide will show you the key concepts of unit conversion and flow rate calculation, suitable for nursing students and healthcare professionals.

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