A nurse is preparing to administer amoxicillin and clavulanate 30 mg/kg/day PO divided in equal doses every 12 hr to an infant who weighs 16 lb. Available is amoxicillin and clavulanate suspension 125 mg/5 mL suspension. 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 ["4.4"]
To calculate the dosage of amoxicillin and clavulanate for the infant, we first convert the weight from pounds to kilograms, knowing that 1 pound is approximately 0.453592 kilograms. The infant weighs 16 pounds, which is roughly 7.25748 kilograms. The prescribed dose is 30 mg/kg/day, so for the infant, it would be 30 mg/kg/day * 7.25748 kg = 217.7244 mg/day. Since the medication is to be administered every 12 hours, the daily dose should be divided into two, resulting in 217.7244 mg/day / 2 = 108.8622 mg per dose. With the medication available in a concentration of 125 mg/5 mL, we calculate the volume per dose as (108.8622 mg * 5 mL) / 125 mg = 4.354488 mL per dose. Rounding to the nearest tenth, the nurse should administer 4.4 mL per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Give the client two troches in the morning and two troches in the evening. This option misinterprets the frequency of administration; the prescription is for four times a day, not twice.
B. Withhold oral intake until the troche dissolves in the client's mouth. Nystatin troches are designed to dissolve slowly in the mouth, allowing the medication to come into contact with the mucous membranes to treat fungal infections effectively. The client should avoid eating or drinking until the troche has fully dissolved to ensure maximum effectiveness.
C. Tell the client to keep the troche under the tongue for 5 min before swallowing it. Troches should dissolve completely in the mouth, not just be held under the tongue for a specific time.
D. Instruct the client to swallow the troche with 240 mL (8 oz) water. Troches should not be swallowed whole with water; they need to dissolve in the mouth to be effective.
Correct Answer is ["0.5"]
Explanation
To calculate the dosage of quinine for the child, first convert the child's weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The child weighs 36 pounds, which is approximately 16.36 kilograms (36/2.2). Next, calculate the total daily dose of quinine using the child's weight in kilograms: 25 mg/kg/day * 16.36 kg = 409 mg/day. Since the dose is divided into equal doses every 8 hours, divide the total daily dose by 3 to get the per dose amount: 409 mg/day / 3 doses/day = approximately 136.33 mg/dose. Finally, to find out how many 325 mg tablets the nurse should administer per dose, divide the per dose amount by the strength of the tablet: 136.33 mg/dose / 325 mg/tablet = approximately 0.42. Rounding to the nearest whole number, the nurse should administer half a tablet per dose.
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