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
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Correct Answer is A
Explanation
A. Applying the restraint over the client’s gown protects the skin and ensures comfort.
B. Restraints should never be tied to the side rail as it could lead to injury if the bed is adjusted; they should be tied to a stable part of the bed frame.
C. Skin integrity should be checked more frequently than every 4 hours to prevent injury.
D. Typically, two fingers, not four, should fit between the restraint and the client’s body to ensure it’s secure but not too tight.
Correct Answer is A
Explanation
A. Calf swelling is a common sign of deep-vein thrombosis (DVT) and should be reported as it could indicate a blood clot, which may lead to serious complications if not addressed.
B. Bradycardia is unrelated to DVT and may be due to other underlying conditions.
C. Clammy skin could indicate shock or other systemic issues but is not directly associated with DVT.
D. Tortuous veins are generally a sign of chronic venous insufficiency, not an acute finding indicative of DVT.
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