A child with an Escherichia coli urinary tract infection is receiving a secondary infusion of gentamicin 60 mg every 8 hours IV, which is to be infused over 30 minutes.
The medication is delivered by the pharmacy diluted in a 50 ml bag of saline.
What should be the infusion pump’s regulation in mL/hour? (Provide the numeric value only.)
The Correct Answer is ["100"]
Step 1: The child is receiving gentamicin 60 mg every 8 hours IV, which is to be infused over 30 minutes. The medication is delivered by the pharmacy diluted in a 50 ml bag of saline.
Step 2: We need to find the infusion pump’s regulation in mL/hour.
Step 3: Since the medication is to be infused over 30 minutes, we convert this to hours by dividing by 60. So, 30 minutes is 0.5 hours.
Step 4: The rate of infusion is then the total volume (50 mL) divided by the time in hours (0.5 hours).
Step 5: So, the infusion pump’s regulation is (50 mL ÷ 0.5 hours) = 100 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
While obtaining an analgesic prescription might help to alleviate the patient’s joint pain, it is not the first intervention that should be implemented in an acute adrenal crisis. The patient’s low blood pressure and high heart rate are immediate life-threatening conditions that need to be addressed first.
Choice B rationale
Infusing an intravenous fluid bolus is the first intervention that should be implemented in an acute adrenal crisis. This can help to increase the patient’s blood pressure, which is dangerously low.
Choice C rationale
Administering a PRN oral antipyretic could help to reduce the patient’s fever, but it is not the first intervention that should be implemented in an acute adrenal crisis. The patient’s low blood pressure and high heart rate are immediate life-threatening conditions that need to be addressed first.
Choice D rationale
Covering the patient with a cooling blanket could help to reduce the patient’s fever, but it is not the first intervention that should be implemented in an acute adrenal crisis. The patient’s low blood pressure and high heart rate are immediate life-threatening conditions that need to be addressed first.
Correct Answer is D
Explanation
Choice A rationale
Mixing the dextrose in a 50 mL piggyback for a total volume of 100 mL is not the best method for administering the medication. This would dilute the dextrose, potentially reducing its effectiveness.
Choice B rationale
Diluting the dextrose in one liter of 0.9% normal saline solution is not the best method for administering the medication. This would significantly dilute the dextrose, potentially reducing its effectiveness.
Choice C rationale
Asking the pharmacist to add the dextrose to a total parenteral nutrition (TPN) solution is not the best method for administering the medication. This would not provide the immediate glucose boost needed to counteract insulin shock.
Choice D rationale
Pushing the undiluted dextrose slowly through the currently infusing IV is the best method for administering the medication. This allows for rapid administration of a concentrated glucose solution, which is necessary to quickly raise blood glucose levels in a patient experiencing insulin shock.
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