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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["400"]
Explanation
Understanding the problem
We need to administer 100 mL of clindamycin over 15 minutes.
We need to determine the flow rate in mL/hr.
Step-by-step calculation
Convert minutes to hours:
15 minutes = 0.25 hours
Calculate the flow rate:
Flow rate (mL/hr) = Total volume (mL) / Infusion time (hours) = 100 mL / 0.25 hours = 400 mL/hr
Therefore, the nurse should set the IV pump to deliver 400 mL/hr.
Correct Answer is ["1.2"]
Explanation
Step-by-step solution:
1. Convert pounds to kilograms:
1 lb = 0.453592 kg
33 lb x 0.453592 kg/lb = 14.97 kg
2. Calculate the total daily dose of digoxin:
Total daily dose = dose per kg/day x weight in kg = 8 mcg/kg/day x 14.97 kg = 119.76 mcg/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 = 119.76 mcg/day / 2 doses = 59.88 mcg/dose
4. Convert mcg to mg:
1 mg = 1000 mcg
59.88 mcg = 0.05988 mg
5. Calculate the volume to administer:
The medication concentration is 0.05 mg/mL.
Volume = Dose per administration / Concentration = 0.05988 mg / 0.05 mg/mL = 1.1976 mL
6. Round to the nearest tenth:
Volume = 1.2 mL
Therefore, the nurse should administer 1.2 mL of digoxin per dose.
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