Mrs. Peterson has been diagnosed with oropharyngeal and esophageal candidiasis. The physician has determined that an oral suspension is the best route of administration and has ordered fluconazole 40 mg/ml, disp 25 ml. She instructed Mrs. Peterson to take 200 mg on the first day, then 100 mg once daily until the medicine is gone. What is the days' supply?
9 days
10 days
8 days
5 days
The Correct Answer is A
- Calculate the total milligrams of fluconazole in the prescription.
Total milligrams = Concentration (mg/mL) × Total volume (mL)
= 40 mg/mL × 25 mL
= 1000 mg.
Fluconazole used on the first day = 200 mg.
- Calculate the remaining milligrams of fluconazole after the first day.
Remaining milligrams = Total milligrams - First-day dose
= 1000 mg - 200 mg
= 800 mg.
- Calculate the number of days the remaining medication will last.
Daily dose after the first day = 100 mg.
Remaining days = Remaining milligrams / Daily dose
= 800 mg / 100 mg/day
= 8 days.
- Calculate the total days' supply.
Total days' supply = Day 1 + Remaining days
= 1 day + 8 days
= 9 days.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["40"]
Explanation
Calculation:
- Total volume in the container from the label.
The label states the total volume is 200 mL (when reconstituted).
- Volume of a single dose.
Ordered dose is 5 mL.
- Calculate the total number of doses.
Total doses = Total volume / Volume per dose
= 200 mL / 5 mL
= 40 doses
Correct Answer is ["372"]
Explanation
Calculation:
- To convert centimeters (cm) to millimeters (mm), use the conversion factor of 10 mm per 1 cm.
1 cm = 10 mm
Measurement in mm = 37.2 cm × 10 mm/cm
= 372 mm.
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