An adult client experiencing pain associated with maxillofacial surgery receives a prescription for acetaminophen and codeine phosphate oral solution 25 mL PO every 6 hours PRN. The bottle is labeled: "Acetaminophen and Codeine Phosphate Oral Solution, USP: 120/12 mg per 5 mL." How many mg of codeine will the client receive with each dose? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["60"]
Given:
Ordered dose: 25 mL PO every 6 hours PRN
Medication label: "Acetaminophen and Codeine Phosphate Oral Solution, USP: 120/12 mg per 5 mL"
Step 1: Determine the concentration of codeine in the solution:
Concentration of Codeine = Amount of Codeine / Volume of Solution
Concentration of Codeine = 12 mg / 5 mL
Concentration of Codeine = 2.4 mg/mL
Step 2: Calculate the amount of codeine per dose:
Amount of Codeine per Dose = Concentration of Codeine x Volume per Dose
Amount of Codeine per Dose = 2.4 mg/mL x 25 mL
Amount of Codeine per Dose = 60 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.7"]
Explanation
Given:
Ordered dose of Filgrastim: 410 mcg SUBQ every day
Concentration of Filgrastim: 600 mcg/mL
Step 1: Set up the proportion:
Desired dose (mcg) / Volume to administer (mL) = Concentration (mcg/mL)
Step 2: Substitute the values:
410 mcg / Volume = 600 mcg/mL
Step 3: Solve for the unknown volume:
Volume = 410 mcg / (600 mcg/mL)
Volume = 410 mcg x (1 mL / 600 mcg)
Volume = 0.6833 mL
Step 4: Round to the nearest tenth:
Volume ≈ 0.7 mL
Correct Answer is ["38"]
Explanation
Given:
Volume of fluid: 75 mL
Infusion time: 30 minutes
Drop factor: 15 gtt/mL
Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (min)) x Drop factor (gtt/mL)
Step 1: Calculate the infusion rate in mL/min:
Infusion rate (mL/min) = Volume (mL) / Time (min)
Infusion rate (mL/min) = 75 mL / 30 min
Infusion rate (mL/min) = 2.5 mL/min
Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = Infusion rate (mL/min) x Drop factor (gtt/mL)
Flow rate (gtt/min) = 2.5 mL/min x 15 gtt/mL
Flow rate (gtt/min) = 37.5 gtt/min
Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 38 gtt/min
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