A nurse is preparing to administer dextrose 3.5% in water (D3.5W) 1200 mL to infuse over 24 hours.
The drop factor of the manual IV infusion is 15 gtt/mL.
How many gtt/min should the nurse set the infusion to deliver? (Round to the nearest whole number.
Use a leading zero if it applies. Do not use a trailing zero.).
25 gtt/min.
13 gtt/min.
42 gtt/min.
15 gtt/min.
The Correct Answer is B
Step 1: Calculate the total infusion time in minutes.
24 hours × (60 minutes/hour) = 1440 minutes.
Step 2: Calculate the infusion rate in mL/min.
1200 mL ÷ 1440 minutes = 0.833 mL/min.
Step 3: Calculate the drop rate in gtt/min.
0.833 mL/min × 15 gtt/mL = 12.495 gtt/min.
Step 4: Round to the nearest whole number.
12.495 ≈ 13 gtt/min.
Answer: 13 gtt/min.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The nurse should administer 2 tablets of levothyroxine 50 mcg to give the client a total dose of 100 mcg.
Choice A is not the best answer because administering 1 tablet of levothyroxine 50 mcg would only give the client a total dose of 50 mcg, which is not enough.
Choice C is not the best answer because administering 3 tablets of levothyroxine 50 mcg would give the client a total dose of 150 mcg, which is too much.
Choice D is not the best answer because administering 4 tablets of levothyroxine 50 mcg would give the client a total dose of 200 mcg, which is too much.
Correct Answer is C
Explanation
The nurse should set the flow rate to deliver 40 gtts/min.
This can be calculated by multiplying the infusion rate (120 mL/hr) by the drop factor (60 gtt/mL) and then dividing by the number of minutes in an hour (60 min/hr): (120 mL/hr) * (60 gtt/mL) / (60 min/hr) = 120 gtt/min
Choice A is not the best answer because setting the flow rate to deliver 20 gtts/min would not provide the desired infusion rate of 120 mL/hr.
Choice B is not the best answer because setting the flow rate to deliver 30 gtts/min would not provide the desired infusion rate of 120 mL/hr.
Choice D is not the best answer because setting the flow rate to deliver 50 gtts/min would provide a higher infusion rate than desired.
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