A nurse is preparing to administer acetaminophen 15 mg/kg PO to a preschool child for fever. The child weighs 30 lb. Available is acetaminophen liquid 160 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["6.4"]
Convert the child's weight from pounds to kilograms:
Weight in pounds: 30 lb
Conversion: 1 lb ≈ 0.454 kg
Weight in kg: 30 lb× 0.454 kg/lb =13.62 kg
30lb×0.454kg/lb=13.62kg
Calculate the dose in mg:
Dose: 15 mg/kg
15 mg/kg ×13.62kg=204.3 mg
Determine the volume to administer:
Available concentration: 160 mg/5 mL
Volume in mL:
204.3 mg ÷160 mg/5 mL
= 204.3mg×5ml ÷160mg
=6.4mL
The nurse should administer 6.4 mL of acetaminophen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is A
Explanation
A. Lime ice pop: A lime ice pop is a good option because it is cold, soothing, and less likely to irritate the throat or cause bleeding. The cold temperature can help reduce swelling and provide comfort. Additionally, it is not acidic or dairy-based, which makes it a safe choice.
B. Cranberry juice: Cranberry juice is acidic, which can irritate the throat and increase discomfort after a tonsillectomy. Acidic foods and drinks should be avoided during the recovery period to prevent irritation and pain.
C. Ice cream: While ice cream is cold and soothing, it contains dairy, which can increase mucus production. This may lead to discomfort and make swallowing more difficult post-surgery. It’s best to avoid dairy products immediately following a tonsillectomy.
D. Hot tea : Hot beverages should be avoided because they can cause vasodilation and increase the risk of postoperative bleeding. Cold or room temperature liquids are preferred to minimize discomfort and prevent complications.
Correct Answer is A
Explanation
A. Determine if the toddler is voiding: Assessing urine output is crucial for determining the child’s hydration status. Voiding is an important indicator of kidney function and fluid balance. Ensuring the child is voiding can help determine the severity of dehydration and guide further interventions.
B. Request evaluation of the toddler's serum electrolytes. Evaluating serum electrolytes is important for understanding the extent of dehydration and electrolyte imbalances. However, it is not the immediate first action and should follow the initial assessment of the child's hydration status.
C. Initiate isotonic fluids with 20 mEq/L potassium chloride. Initiating fluid therapy is crucial but should only be done after assessing kidney function through urine output and evaluating the need for potassium supplementation to avoid complications like hyperkalaemia if the kidneys are not functioning properly.
D. Collect a stool sample from the toddler. Collecting a stool sample is useful for diagnosing the cause of gastroenteritis, but it is not the immediate priority. The focus should first be on assessing hydration status and initiating appropriate fluid therapy.
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