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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.)

Answer and Explanation

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.

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Free Nursing Study Resources

Correct Answer is A

Explanation

A. Maintain night splints to the affected joint: Night splints help maintain joint position and function during sleep, preventing contractures and deformities. This is a common intervention in managing juvenile rheumatoid arthritis to ensure proper joint alignment and minimize pain and stiffness.

B. Encourage the child to take daytime naps: Daytime naps can lead to prolonged periods of immobility, which may increase stiffness and pain in joints. Maintaining regular activity and exercise is usually recommended to preserve joint function.

C. Administer opioids on a schedule: Opioids are not typically first-line treatment for juvenile rheumatoid arthritis due to potential side effects and risk of dependence. Nonsteroidal anti-inflammatory drugs (NSAIDs) and disease-modifying antirheumatic drugs (DMARDs) are more commonly used.

D. Apply cool compresses for 20 min every hour: Cool compresses may provide temporary relief for acute joint pain but are not recommended on a regular schedule due to risk of skin damage and reduced joint flexibility. Heat application is more commonly used for chronic pain relief in arthritis.

Correct Answer is ["7"]

Explanation

Formula: Volumetoadminister=Desireddose/Availabledose ×Volumeavailable

Calculation: 350mg/250mg × 5mL=7mL

Answer: 7 mL

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a child who has juvenile rheumatoid arthritis. Which of the following actions should the nurse take?

Correct Answer is A

Explanation

A nurse is preparing to administer amoxicillin 350 mg PO. The amount available is amoxicillin oral solution 250 mg/5 mL. How many ml. should the nurse administer? (Round the answer to the nearest tenth/whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["7"]

Explanation

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