A nurse is preparing to administer hydrocortisone 240 mg intermittent IV bolus. Available is hydrocortisone powder injection 1 g vial. The nurse reconstitutes the powder to yield a concentration of 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 ["4.8"]
Understanding the problem
We need to administer 240 mg of hydrocortisone.
The reconstituted solution has a concentration of 50 mg/mL.
We need to determine the volume to administer.
Step-by-step calculation
Use the formula:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume (mL) = 240 mg / 50 mg/mL
Calculate the volume:
Volume (mL) = 4.8 mL
Therefore, the nurse should administer 4.8 mL of the reconstituted hydrocortisone solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["15.3"]
Explanation
Step-by-step solution:
1. Convert pounds to kilograms:
1 lb = 0.453592 kg
54 lb x 0.453592 kg/lb = 24.49 kg
2. Calculate the total daily dose of phenobarbital:
Total daily dose = dose per kg/day x weight in kg = 5 mg/kg/day x 24.49 kg = 122.45 mg/day
3. Calculate the dose per administration:
Since the medication is divided into 2 doses per day,
Dose per administration = Total daily dose / number of doses = 122.45 mg/day / 2 doses = 61.225 mg/dose
4. Calculate the volume to administer:
The medication concentration is 20 mg/5 mL, which simplifies to 4 mg/mL.
Volume = Dose per administration / Concentration = 61.225 mg / 4 mg/mL = 15.30625 mL
5. Round to the nearest tenth:
Volume = 15.3 mL
Therefore, the nurse should administer 15.3 mL of phenobarbital per dose.
Correct Answer is ["1750"]
Explanation
Calculation:
Total drainage = 3250 mL
Irrigation instilled = 1500 mL
Urine output = Total drainage - Irrigation instilled = 3250 mL - 1500 mL = 1750 mL
The nurse should record 1750 mL of urine output.
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