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 ["1"]
Explanation
Given:
Ordered dose of loratadine: 5 mg
Concentration of loratadine suspension: 5 mg per 5 mL
1 teaspoon = 5 mL
Step 1: Determine the volume of loratadine suspension to be administered:
Since the ordered dose and the concentration are the same (5 mg), the volume to be administered is 5 mL.
Step 2: Convert mL to teaspoons:
1 teaspoon = 5 mL
Volume in teaspoons = 5 mL / 5 mL/teaspoon
Volume in teaspoons = 1 teaspoon
Correct Answer is ["4"]
Explanation
Given:
Ordered dose of amoxicillin/clavulanate: 2 g amoxicillin + 125 mg clavulanate every 12 hours
Available tablets: 1000 mg amoxicillin + 62.5 mg clavulanate extended-release tablets
Step 1: Determine the total daily dose of amoxicillin/clavulanate:
Since the medication is given every 12 hours, there are 2 administrations per day.
Total daily dose (amoxicillin) = Dose per administration (amoxicillin) x Number of administrations per day
Total daily dose (amoxicillin) = 2 g/dose x 2 doses/day
Total daily dose (amoxicillin) = 4 g/day = 4000 mg/day
Total daily dose (clavulanate) = Dose per administration (clavulanate) x Number of administrations per day
Total daily dose (clavulanate) = 125 mg/dose x 2 doses/day
Total daily dose (clavulanate) = 250 mg/day
Step 2: Calculate the number of tablets required per day:
Number of tablets/day = Total daily dose (amoxicillin) / Strength of amoxicillin per tablet
Number of tablets/day = 4000 mg/day / 1000 mg/tablet
Number of tablets/day = 4 tablets/day
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