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 A
Explanation
A. "Bend forward from the waist with your head and arms downward." This position, known as the Adam’s forward bend test, is commonly used to screen for scoliosis. It allows the nurse to observe for any asymmetry in the rib cage or spine, which could indicate scoliosis.
B. "Lie prone on the examination table." Lying prone (face down) does not allow for the assessment of spinal curvature or rib asymmetry. This position is not useful for scoliosis screening.
C. "Touch your chin to your chest, and then look up at the ceiling." These movements assess neck flexibility and range of motion, which are not relevant for screening scoliosis.
D. "Turn to the side, and remain in a relaxed position." Turning to the side and relaxing does not provide the necessary view of the spine to assess for scoliosis. This position does not allow for a clear view of any asymmetry in the spine or ribs.
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.
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