A nurse is preparing to administer prochlorperazine 0.13 mg/kg IM to an adolescent who weighs 103 lb. Available is prochlorperazine injection 5 mg/mL. 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.)

Answer and Explanation

The Correct Answer is ["1.2"]

To calculate the dosage of prochlorperazine for the adolescent, first convert the weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The adolescent weighs 103 lb, which is approximately 46.82 kg (103 ÷ 2.2). Next, multiply the weight in kilograms by the dosage prescribed, which is 0.13 mg/kg. This results in a total dosage of 6.09 mg (46.82 kg × 0.13 mg/kg). Finally, divide the total dosage by the concentration of the available medication to find out how many mL to administer. The available prochlorperazine injection has a concentration of 5 mg/mL, so you would administer 1.22 mL (6.09 mg ÷ 5 mg/mL). Rounded to the nearest tenth, the nurse should administer 1.2 mL per dose.

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Correct Answer is ["0.5"]

Explanation

To calculate the total milliliters of triamcinolone to administer, you would use the formula: \[Total Volume = (Ordered Dose) / (Concentration)\]. For an ordered dose of 40 mg and a concentration of 80 mg/mL, the calculation would be 40 mg divided by 80 mg/mL, which equals 0.5 mL. Therefore, the nurse should administer 0.5 mL of triamcinolone.

Correct Answer is ["250"]

Explanation

To calculate the infusion rate for an IV pump, you would divide the total volume of the IV fluid to be infused by the number of hours over which the infusion is to run. In this case, 500 mL of dextrose 5% in 0.9% sodium chloride is to be infused over 2 hours. Therefore, the calculation would be 500 mL divided by 2 hours, which equals 250 mL per hour. So, the nurse should set the IV pump to deliver 250 mL/hr.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer triamcinolone 40 mg IM to a child. Available is triamcinolone 80 mg/mL. What is the total mL the nurse should administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.5"]

Explanation

A nurse is preparing to administer dextrose 5% in 0.9% sodium chloride 500 mL IV to infuse over 2 hr to a school-age child. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["250"]

Explanation

A nurse is preparing to administer acetaminophen 400 mg PO to an adolescent. Available is acetaminophen liquid 160 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer dimercaprol 3 mg/kg IM to an adolescent who weighs 79 lb. Available is dimercaprol injection 100 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer methylphenidate 10 mg PO. Available is methylphenidate oral solution 5 mg/tsp. How many mL should the nurse administer? (Round the answer to the nearest whole number. 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.)

A nurse is preparing to administer 0.9% sodium chloride 100 mL IV to infuse over 15 min. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)