A child with a heart defect is placed on a maintenance dose of Lanoxin elixir. The ordered dose is 0.07mg/kg/day in 2 divided doses. The child weighs 19 pounds. What is the maximum amount of medication that will be given per dose by the nurse?
The Correct Answer is ["0.3"]
Convert weight from pounds to kilograms:
19pounds÷2.2=8.64kg
Calculate the total daily dose:
0.07mg/kg/day×8.64kg=0.6048mg/day
Divide the daily dose into two doses:
0.6048mg/day÷2=0.3024mg/dose
Round off the dose to two decimal places:
0.3024mg≈0.30mg
The maximum amount of medication per dose is 0.3 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
A. Keep eye shields on at all times, including when feeding. Incorrect because while eye protection is crucial under the lights, they can be removed during feedings to allow for parent-infant bonding and eye contact.
B. Routinely monitor temperature while the infant is in the crib. Incorrect, because temperature should be closely monitored while the infant is under phototherapy due to potential changes in body temperature caused by the exposure.
C. Tightly swaddle the infant in a blanket. Incorrect, as this would reduce the amount of skin exposed to the phototherapy lights and decrease the treatment's effectiveness.
D. Expose as much of the infant's skin to the lights as possible. Phototherapy is most effective when as much skin as possible is exposed to the lights because it allows for maximum light absorption and more effective bilirubin breakdown.
Correct Answer is D
Explanation
A. Wash the cord daily with mild soap and water. Incorrect because keeping the area dry is crucial; soap can irritate the area.
B. Cover the cord with the diaper. Incorrect because it may trap moisture and cause irritation or infection.
C. Apply petroleum jelly to the cord stump. Incorrect because this may keep the area too moist and prevent it from drying and falling off naturally.
D. Give a sponge bath until the cord stump falls off. This prevents the cord from getting wet, which can increase the risk of infection and delay drying and detachment.
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