You have an order to give a child a dose of Ampicillin based on the child's body surface area. The child weighs 14 pounds. The normal adult dose is 1000 mg every 4-6 hours prn. The child's BSA is 0.45 m2. The Ampicillin is available as 250mg/5mL. How many mg would you administer to the child? Use the BSA method of calculation.
The Correct Answer is ["260"]
Use the BSA (Body Surface Area) formula to calculate the child’s dose:
Child's dose = BSA of child × (Adult dose ÷ 1.73)
Child's dose = 0.45 × (1000 ÷ 1.73)
Child's dose = 0.45 × 578.03
Child's dose ≈ 260.1 mg
Round to a practical dose: 260 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. While frequent repositioning helps prevent pressure ulcers, ROM exercises specifically target joint mobility rather than skin integrity.
B. ROM exercises are not primarily aimed at reducing pain, though they may help indirectly. Pain management usually involves medications and other comfort measures.
C. ROM can aid circulation to some extent, but its main benefit is maintaining joint flexibility and muscle length.
D. Contractures—permanent tightening of muscles, tendons, or joints—can be prevented through regular ROM exercises and proper positioning, making this the most appropriate answer.
Correct Answer is C
Explanation
A. Explaining the situation to the family is important, but it is not a prioritywhen the patient is in respiratory distress.
B. Establishing an IV line may be necessary later for treatment, but it does not immediately address the low oxygen saturationor respiratory compromise.
C. Raising the patient to a High Fowler’s positionhelps to maximize lung expansionand improve oxygenation, making it the first and most immediate action.
D. Notifying the charge nurse is appropriate afterthe nurse takes action to stabilize the patient’s airway and breathing.
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