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
Related Questions
Correct Answer is A
Explanation
A. Scoliosis: Scoliosis is characterized by an abnormal lateral curvature of the spine, commonly detected during routine physical exams in school-aged children and adolescents. This is the correct diagnosis for the described symptom.
B. Ankylosis: Ankylosis refers to joint stiffness or immobility due to fusion of the bones, not a lateral curvature of the spine. It is typically associated with conditions like ankylosing spondylitis and does not describe a spinal curvature.
C. Kyphosis: Kyphosis involves an abnormal forward curvature of the spine, often resulting in a hunchback appearance. It is not the same as a lateral curvature and thus does not fit the description given.
D. Lordosis: Lordosis is characterized by an exaggerated inward curve of the lower spine, commonly referred to as swayback. It does not involve lateral curvature and therefore is not relevant to the described condition.
Correct Answer is C
Explanation
A. A 4-year-old preschooler who has status asthmaticus and a pulse oximetry of 95%. While status asthmaticus is a serious condition, a pulse oximetry reading of 95% indicates adequate oxygenation, so this child is not in immediate distress.
B. A 1-year-old infant who has roseola and a temperature of 39°C (102.2°F). While the fever requires monitoring and treatment, roseola is typically a self-limiting illness, and this temperature, while high, is not immediately life-threatening.
C. A 7-year-old child who has diabetes insipidus and a urine specific gravity of 1.002. A urine specific gravity of 1.002 indicates very dilute urine, which is concerning for diabetes insipidus and potential dehydration. This condition requires immediate attention to prevent severe dehydration and electrolyte imbalance.
D. A 10-year-old child who has sickle cell anemia and a pain rating of 6 on a 0 to 10 scale. While managing pain in sickle cell anemia is important, the child’s condition is stable, and pain relief can be addressed after assessing the more urgent case of potential dehydration in the child with diabetes insipidus.
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