Calculate flow rate in drops per minute:
Order: Zosyn 1.3 g in 100 mL D5W IVPB q8h to infuse over 30 min. Drop factor: 60 gtt/mL
Determine rate in gtt/min.
150 gtt/min
100 gtt/min
200 gtt/min
400 gtt/min
The Correct Answer is C
Step 1: Identify the given information
- Total volume to infuse = 100 mL
- Infusion time = 30 minutes
- Drop factor = 60 gtt/mL
Step 2: Use the formula for flow rate
Flow rate (gtt/min) = (Total Volume (mL) × Drop Factor (gtt/mL)) ÷ Infusion Time (min)
Step 3: Plug in the values
= (100 × 60) ÷ 30
Step 4: Solve step by step
- 100 × 60 = 6000
- 6000 ÷ 30 = 200
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
No explanation
Correct Answer is C
Explanation
To solve this problem, we need to find the infusion rate in ml/min by dividing the volume of the solution by the duration of the infusion. In this case, the infusion rate is:
100 ml / 60 min = 1.67 ml/min
Then, we need to multiply the infusion rate by the drop factor to find the flow rate in gtt/min. The drop factor is given as 10 gtt/ml. Therefore, the flow rate is:
1.67 ml/min * 10 gtt/ml = 16.7 gtt/min
However, since we cannot administer partial drops, we need to round the answer to the nearest whole number. The closest whole number to 16.7 gtt/min is 17 gtt/min, so we round up. Therefore, the flow rate in gtt/min is 17 gtt/min.
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