A nurse is preparing to administer amoxicillin 30 mg/kg/day in 2 equally divided doses every 12 hr to a toddler who weighs 33 lb. Available is amoxicillin 200 mg/5 mL suspension.
How many mL should the nurse administer per dose?
The Correct Answer is ["5.6"]
Step 1: Convert the toddler’s weight from pounds to kilograms. 1 kg is approximately 2.2 lb. So, 33 lb ÷ 2.2 = 15 kg.
Step 2: Calculate the total daily dose of amoxicillin. The prescribed dose is 30 mg/kg/day. So, 30 mg/kg/day × 15 kg = 450 mg/day.
Step 3: Since the dose is divided into 2 equal doses every 12 hours, each dose will be half of the total daily dose. So, 450 mg/day ÷ 2 = 225 mg/dose.
Step 4: Calculate the volume of the suspension to administer per dose. The available suspension is 200 mg/5 mL. So, (225 mg/dose ÷ 200 mg) × 5 mL = 5.625 mL/dose. Therefore, the nurse should administer approximately 5.6 mL of the amoxicillin suspension per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Discarding the dressing in the bedside trash receptacle is not recommended because it can lead to the spread of infection. The dressing is contaminated with blood and purulent drainage, which are considered biohazardous waste.
Choice B rationale
Double-bagging the dressing in clear bags and labeling it “biohazard” is not sufficient. While it’s important to label biohazardous waste, the dressing should be disposed of in a designated biohazardous waste container.
Choice C rationale
Enclosing the dressing in a single clear plastic bag and discarding it in the bedside trash receptacle is also not recommended. This method does not provide adequate containment for biohazardous waste.
Choice D rationale
Disposing of the dressing in a biohazardous waste container is the correct method. This ensures that the biohazardous waste is properly contained and reduces the risk of spreading infection.
Correct Answer is B
Explanation
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.
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