A nurse is preparing to administer codeine 15 mg PO every 6 hr PRN pain. Available is codeine cral solution 10mg/5 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)
The Correct Answer is ["7.5"]
Calculations:
Desired dose = 15 mg
Concentration = 10 mg/5 mL
Volume = Desired dose / Concentration = 15 mg / (10 mg/5 mL) = 7.5 mL
The nurse should administer 7.5 mL of codeine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is ["4"]
Explanation
Calculations:
Desired dose = 1g = 1000 mg
Concentration = 225 mg/mL
Volume = Desired dose / Concentration = 1000 mg / 225 mg/mL = 4.44 mL
Rounded to the nearest whole number = 4 mL
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