Find the flow rate for manual regulation: __________ (Round to the nearest whole number)
Ordered: 1,800 mL RL q12h using tubing calibrated to 15 gtt/mL
The Correct Answer is ["38"]
Calculation:
- To find the flow rate in drops per minute (gtt/min), use the formula:
Flow rate (gtt/min) = (Total volume (mL) × Drop factor (gtt/mL)) / Time (min)
Total volume = 1,800 mL.
Drop factor = 15 gtt/mL.
- Convert the total time from hours to minutes.
Total time = 12 hours × 60 minutes/hour
= 720 minutes.
- Calculate the flow rate.
Flow rate = (1,800 mL × 15 gtt/mL) / 720 minutes
= 27,000 gtt / 720 minutes
= 37.5 gtt/min.
- Round the answer to the nearest whole number.
= 38 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
The medication label provides clear instructions for mixing and the final volume. Under the "DIRECTIONS FOR MIXING" section, it explicitly states, "Add 51 mL of water and shake vigorously. This makes 100 mL of suspension." The label also notes "100 mL (when mixed)" at the top, confirming the final volume.
Correct Answer is ["25"]
Explanation
Ordered volume: 0.25 mL.
- Identify the concentration from the label.
The label states the concentration is 100 units per mL.
- Calculate the desired dose.
Desired dose (units) = Ordered volume (mL) × Concentration (units/mL)
= 0.25 mL × 100 units/mL
= 25 units.
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