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 ["84"]
Explanation
The nurse should administer 8.4 mg of enoxaparin per dose.
Calculations:
Convert pounds to kilograms:
185 lb x 0.453592 kg/lb = 83.91 kg
Calculate the enoxaparin dose:
1 mg/kg x 83.91 kg = 83.91 mg
Round to the nearest tenth:
83.91 mg ≈ 84 mg
Therefore, the nurse should administer 84 mg of enoxaparin per dose.
Correct Answer is ["300"]
Explanation
Understanding the problem
We need to administer 150 mL of the medication over 30 minutes.
We need to determine the flow rate in mL/hr.
Step-by-step calculation
Convert minutes to hours:
30 minutes = 0.5 hours
Calculate the flow rate:
Flow rate (mL/hr) = Total volume (mL) / Infusion time (hours) = 150 mL / 0.5 hours = 300 mL/hr
Therefore, the nurse should set the IV pump to deliver 300 mL/hr.
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