A nurse is preparing to administer ampicillin to a school-age child who weighs 55 lb. The provider prescribes 50 mg/kg/day in 4 equal doses. Available is ampicillin oral suspension 125 mg/5 mL. How many mL should the nurse administer with each 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 ["12.5"]
To calculate the dosage, first convert the child's weight to kilograms (1 kg = 2.2 lbs), so 55 lbs is approximately 25 kg. The total daily dose of ampicillin prescribed is 50 mg/kg/day, which for a 25 kg child is 1250 mg/day (50 mg/kg * 25 kg). This total daily dose should be divided into 4 equal doses, resulting in 312.5 mg per dose (1250 mg/day ÷ 4 doses/day). The concentration of the ampicillin suspension is 125 mg/5 mL, so to find out how many mL per dose, divide the dose in mg by the concentration and multiply by the volume: 312.5 mg per dose ÷ 125 mg/5 mL = 2.5 * 5 mL = 12.5 mL per dose. Therefore, the nurse should administer 12.5 mL per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Providing finger foods can enhance the client’s ability to feed themselves and may encourage eating, especially for clients with dementia who may have difficulty using utensils or concentrating on traditional meals. This approach promotes independence and can make meals more enjoyable and less stressful.
B. While reducing distractions can be helpful, completely restricting visitors might increase feelings of isolation and may not significantly impact food intake. A supportive social environment can enhance the meal experience.
C. Limiting snacks between meals can decrease overall caloric intake, which is counterproductive for a client at risk for malnutrition. Allowing healthy snacks can help maintain energy levels and supplement nutritional needs.
D. Providing three large meals may overwhelm a client with dementia, as they might struggle with portion sizes and meal structure. Smaller, more frequent meals can be more effective in encouraging intake and ensuring that the client receives adequate nutrition.
Correct Answer is B
Explanation
A. Orthostatic hypotension is not a direct risk factor for cardiovascular disease, though it can be related to other health issues.
B. Type 1 diabetes mellitus increases the risk for cardiovascular disease due to chronic hyperglycemia, which can damage blood vessels over time.
C. Osteoporosis is a risk for bone health but is not a cardiovascular risk factor.
D. A BMI of 24 is within the normal range and does not pose a cardiovascular risk.
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