A nurse is preparing to administer iron dextran 75 mg IM to an adolescent. The amount available is iron dextran 50 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.)
The Correct Answer is ["1.5"]
Identify the given information:
Dose of iron dextran: 75 mg
Concentration of iron dextran: 50 mg/mL
Calculate the volume of iron dextran to be administered:
Volume = Dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 75 mg / 50 mg/mL
Volume = 1.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1"]
Explanation
Step-by-Step Solution:
Convert the child's weight from pounds to kilograms.
1 pound is =0.453592 kilograms.
86 pounds = 86 x 0.453592 = 38.999952 kilograms.
Calculate the total daily dose of quinine.
The prescribed dose is 25 mg/kg/day.
The child weighs 38.999952 kg.
The total daily dose = 25 mg/kg/day x 38.999952 kg = 974.9988 mg/day.
Determine the dose per administration.
The total daily dose is divided into three equal doses (every 8 hours).
The dose per administration = 974.9988 mg/day / 3 = 324.9996 mg per dose.
Calculate the number of tablets to administer per dose.
Each tablet contains 325 mg of quinine.
To find the number of tablets, divide the dose per administration by the amount of quinine per tablet:
Number of tablets = 324.9996 mg / 325 mg/tablet = 0.999999 tablets
Round the answer to the nearest whole number: 1 tablet.
Correct Answer is ["10"]
Explanation
Identify the given information:
Dose of methylphenidate: 10 mg
Concentration of methylphenidate oral solution: 5 mg/tsp
Calculate the volume of methylphenidate to be administered:
Volume = Dose (mg) / Concentration (mg/tsp)
Substitute the values:
Volume = 10 mg / 5 mg/tsp
Calculate the result:
Volume = 2 tsp
Convert tsp to mL:
1 tsp ≈ 4.929 mL
Calculate the volume in mL:
Volume = 2 tsp x 4.929 mL/tsp
Calculate the result:
Volume ≈ 9.858 mL
Round the answer to the nearest whole number:
Volume ≈ 10 mL
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