A nurse is about to replace a nearly depleted container of total parenteral nutrition (TPN) for a patient, but discovers a delay in the delivery of the new TPN solution from the pharmacy.
Which solution should the nurse administer until the next TPN solution is available?
0.9% sodium chloride.
Dextrose 10% in water.
3% sodium chloride.
Lactated Ringer’s.
The Correct Answer is B
Choice A rationale
0.9% sodium chloride, also known as normal saline, is an isotonic solution that is commonly used for hydration and to replace lost fluids. However, it does not provide any calories or nutrients, which are necessary for patients receiving TPN1.
Choice B rationale
Dextrose 10% in water (D10W) is the recommended solution to administer until the next TPN solution is available. This is a hypertonic fluid that provides dextrose to the patient, helping to maintain their blood glucose levels and reducing the risk of hypoglycemia.
Choice C rationale
3% sodium chloride is a hypertonic saline solution that is typically used to treat patients with severe hyponatremia (low sodium levels). It is not suitable as a replacement for TPN as it does not provide the necessary nutrients and can lead to hypernatremia (high sodium levels) if used inappropriately.
Choice D rationale
Lactated Ringer’s solution is an isotonic solution that is commonly used for fluid resuscitation in patients with significant fluid loss. While it does contain multiple electrolytes that mimic those found in plasma, it does not provide any calories or nutrients, making it unsuitable as a replacement for TPN1.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["125"]
Explanation
Step 1 is to understand the question. The patient has been prescribed vancomycin 1 g in 250 mL dextrose 5% (D5W) to be administered over 2 hours via IV intermittent bolus. We need to calculate how many mL/hr the nurse should set the IV pump to deliver.
Step 2 is to calculate the rate. The total volume to be administered is 250 mL and the time for administration is 2 hours. So, the rate is 250 mL ÷ 2 hours = 125 mL/hr.
Correct Answer is ["B","C","D","E"]
Explanation
Choice A rationale
The presence of a grab bar in the bathroom is actually a safety measure that can help prevent falls. It provides support for the patient when they are getting up or moving around, reducing the risk of a fall.
Choice B rationale
An electrical cord lying across a walkway is a tripping hazard and would increase the patient’s risk of falling. It is important to keep walkways clear of clutter and potential obstacles to prevent falls.
Choice C rationale
Macular degeneration can affect the patient’s vision, making it difficult for them to see obstacles or changes in the walking surface. This can increase their risk of falling.
Choice D rationale
Throw rugs in the kitchen can easily slip or bunch up, creating a tripping hazard. They should be secured with non-slip backing or removed to reduce the risk of falls.
Choice E rationale
While a cane can provide support and improve balance, it also indicates that the patient has mobility issues, which increases their risk of falling. It is important that the patient uses the cane correctly and that it is the right height for them.
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