A nurse is preparing to administer quinine 25 mg/kg/day PO divided in equal doses every 8 hr to a school-age child who weighs 36 lb. Available is quinine 325 mg tablets. How many tablets should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.5"]

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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Free Nursing Study Resources

Correct Answer is ["2"]

Explanation

To calculate the volume of penicillin G benzathine injection required, divide the prescribed dose by the concentration available. In this case, 1,200,000 units prescribed divided by 600,000 units per mL results in 2 mL.

Correct Answer is ["0.65"]

Explanation

To calculate the dosage of prochlorperazine that the nurse should administer, we first convert the child's weight from pounds to kilograms, knowing that 1 kilogram is approximately 2.2 pounds. The child weighs 55 pounds, which is equivalent to 55 / 2.2 = 25 kilograms (rounded to the nearest whole number for simplicity). Next, we multiply the child's weight in kilograms by the dosage prescribed, which is 0.13 mg/kg. So, 25 kg * 0.13 mg/kg = 3.25 mg. Finally, since the available medication is 5 mg/mL, we divide the total milligrams needed by the concentration, resulting in 3.25 mg / 5 mg/mL = 0.65 mL. Therefore, the nurse should administer 0.65 mL, rounded to the nearest hundredth.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["2"]

Explanation

A nurse is administering prochlorperazine 0.13 mg/kg IM to a child who weighs 55 lb. Available is prochlorperazine injection 5 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.65"]

Explanation

A nurse is preparing to administer fluconazole 42 mg PO to an infant. The nurse should recognize that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer hydrocortisone 7.5 mg PO to a child. The amount available is hydrocortisone 5 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

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