A nurse is preparing to administer levothyroxine 0.4 mg IV bolus. The nurse reconstitutes a vial of levothyroxine to yield a final concentration of 100 mcg/ml. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it apples. Do not use a trailing zero.)
The Correct Answer is ["4"]
The nurse should administer 4 mL of levothyroxine.
Calculations:
Convert 0.4 mg to mcg: 0.4 mg x 1000 mcg/mg = 400 mcg
Desired dose = 400 mcg
Concentration = 100 mcg/mL
Volume = Desired dose / Concentration = 400 mcg / 100 mcg/mL = 4 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["60"]
Explanation
Understanding the problem
We need to administer 4 tablespoons of ibuprofen.
We need to convert tablespoons to milliliters.
Step-by-step calculation
1 tablespoon (tbsp) is equal to 15 milliliters (mL).
Therefore, 4 tbsp x 15 mL/tbsp = 60 mL
The nurse should administer 60 mL of ibuprofen.
Correct Answer is ["8"]
Explanation
Understanding the problem
We need to administer 2g of nafcillin.
The reconstituted solution has a concentration of 250 mg/mL.
We need to determine the volume to administer.
Step-by-step calculation
Convert grams to milligrams:
2 g = 2000 mg
Use the formula:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL) = 2000 mg / 250 mg/mL
Calculate the volume:
Volume (mL) = 8 mL
Therefore, the nurse should administer 8 mL of the reconstituted nafcillin solution.
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