A nurse is preparing to administer a dexamethasone 1.5 mg/kg/day PO to divide equally every 6 hr to a preschool-age child who weighs 22 lb. Available is dexamethasone oral solution 1 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["3.8"]
Convert the child’s weight to kg:
22 lb ×1kg/2.2lb = 10 kg
Calculate the daily dose:
1.5 mg/kg/day × 10 kg=15mg/day
Divide the total daily dose by the number of doses per day (every 6 hours):
15mg/day ÷ 4doses/day =3.75mg/dose
Convert the dose to mL using the concentration:
3.75mg × 1 mL/1 mg = 3.75 mL
Round to the nearest tenth:
3.75 mL≈ 3.8 mL
Answer: The nurse should administer 3.8 mL per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. ``It's okay for my child to have plenty of ice cream.": While ice cream is soft and soothing, it may increase mucus production. Dairy products are contraindicated post tonsillectomy.
B. "I'll help my child gargle with salt water a few times a day.": Gargling is contraindicated post-tonsillectomy because it can dislodge clots and increase the risk of bleeding.
C. "It's okay for my child to ride his bike in a few days.": Strenuous activity should be avoided to reduce the risk of bleeding.
D. "I'll call the doctor if my child is swallowing continuously.": Continuous swallowing can indicate bleeding, a serious complication that requires immediate medical attention.
Correct Answer is A
Explanation
A. "You should give your child's last daily dose of the medication before 6 o'clock in the evening." Methylphenidate is a stimulant, and giving it too late in the day can cause insomnia. Administering the last dose before 6 PM helps minimize sleep disturbances.
B. "You will need to give your child the medication after meals." Methylphenidate is typically given before meals to enhance its absorption and effectiveness. Taking it after meals is not recommended as it can delay absorption.
C. "You will need to have your child's blood glucose level checked monthly." There is no need for regular blood glucose monitoring unless the child has other conditions like diabetes. Methylphenidate does not typically affect blood glucose levels.
D. "You should not give your child the medication on weekends." Continuous use of methylphenidate is generally recommended to provide consistent symptom control, including on weekends. “Drug holidays” may be considered in specific cases but should be discussed with a healthcare provider.
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