
**Dosage Calculation 4.0 Parenteral (IV) Medications Test**

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A nurse is preparing to administer clindamycin 900 mg by intermittent IV bolus over 45 min. Available is clindamycin 900 mg in 100 mL dextrose 5% (D5W). 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.)

  mL/hr




To solve this problem, we need to calculate the IV pump rate in mL per hour (mL/hr). The formula to calculate the rate is:

\[
\text{Flow rate (mL/hr)} = \frac{\text{Total volume (mL)}}{\text{Time (hr)}}
\]

Given:
- Total volume = 100 mL
- Time = 45 minutes = \(\frac{45}{60}\) hours = 0.75 hours

Now, we substitute these values into the formula:

\[
\text{Flow rate (mL/hr)} = \frac{100 \text{ mL}}{0.75 \text{ hr}}
\]

\[
\text{Flow rate (mL/hr)} \approx 133.33 \text{ mL/hr}
\]

Rounding to the nearest whole number:

\[
\text{Flow rate (mL/hr)} = 133 \text{ mL/hr}
\]

The nurse should set the IV pump to deliver **133 mL/hr**.

Would you like further details or have any questions about this calculation?

Here are five related questions that might help expand your understanding:
1. How would the flow rate change if the infusion time was 60 minutes instead of 45 minutes?
2. What is the importance of setting the correct mL/hr rate on an IV pump?
3. How would you calculate the flow rate if the total volume was 200 mL?
4. What is the difference between an intermittent IV bolus and a continuous infusion?
5. How do you verify that the IV pump is working correctly at the set rate?

**Tip:** Always ensure the correct conversion between minutes and hours when calculating IV flow rates. Misconverting time is a common source of errors in dosage calculations.

Learn how to calculate the IV pump rate for administering clindamycin 900 mg by intermittent IV bolus over 45 minutes. Follow a step-by-step solution to determine the correct mL/hr rate using the flow rate formula. Essential for nurses and healthcare professionals.

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