A nurse is preparing to administer acetaminophen 10mg/kg PO to a preschool child for fever.
The child weighs 22 lb. Available is acetaminophen liquid 160 mg/5 mL. How many mL should the nurse administer? .
The Correct Answer is ["3.125"]
The child weighs 22 lb, which is approximately 10 kg (since 1 kg is approximately 2.2 lb).
The prescribed dose of acetaminophen is 10 mg/kg. Step 1 is: Calculate the total dose of acetaminophen for the child. This is done by multiplying the child’s weight in kg by the prescribed dose in mg/kg. 10 kg×10 mg/kg=100 mg The available acetaminophen liquid is 160 mg/5 mL. Step 2 is: Calculate the volume of acetaminophen liquid to administer. This is done by setting up a proportion with the total dose of acetaminophen and the concentration of the available liquid. x mL100 mg=5 mL160 mg Solving for x gives: x=160 mg mg×5 mL=3.125 mL Therefore, the nurse should administer approximately 3.125 mL of the acetaminophen liquid. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Jaundice, a yellowing of the skin and eyes, is not typically a symptom of Wilms’ tumor. It is more commonly associated with conditions that cause liver dysfunction.
Choice B rationale
An abdominal mass is one of the most common symptoms of Wilms’ tumor. Parents or healthcare providers may feel a lump or swelling in the child’s abdomen.
Choice C rationale
Swollen joints are not a typical symptom of Wilms’ tumor. They are more commonly associated with conditions that affect the joints, such as juvenile arthritis.
Choice D rationale
Diarrhea is not a typical symptom of Wilms’ tumor. It is more commonly a symptom of gastrointestinal illnesses.
Correct Answer is A
Explanation
Step 1 is to convert the child’s weight from pounds to kilograms.
This is done by dividing the weight in pounds by 2.2, so 34 lbs ÷ 2.2 = 15.45 kg. Step 2 is to calculate the dose in mg. This is done by multiplying the weight in kg by the dosage per kg, so 15.45 kg × 35 mg/kg = 540.75 mg. Step 3 is to convert the dose in mg to ml. This is done by dividing the dose in mg by the concentration of the medication in mg/ml, so 540.75 mg ÷ 50 mg/ml = 10.815 ml. So, the total daily dosage in ml for this child is approximately 10.82 ml, rounded to the nearest hundredth as required.
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