Dosage Calculations
Question
An adult client with heart failure is prescribed 40 mg of oral furosemide daily to relieve lower-extremity edema. The pharmacy dispenses furosemide tablets containing 20 mg per tablet. How many tablets should the nurse administer for this dose? Round to the nearest tenth.
2.0 tablets
Typed answer in tablets, rounded to 1 decimal place.
Answer
2.0 tablets
Rationale
Before administering oral furosemide, the nurse confirms the prescribed dose against the available tablet strength and reviews the client potassium level and blood pressure. Administering loop diuretics earlier in the day supports diuresis while preventing nocturnal sleep interruption.
Worked solution: Desired ÷ Have = 40 mg ÷ 20 mg per tablet = 2 tablets.
Sources
Sources marked “Adapted from” are licensed under CC BY 4.0. We changed the material: its facts are rewritten into an original question, answer options and rationale. The original authors and publishers do not endorse SwipeExam.
- Furosemide (furosemide) oral prescribing information, Redpharm Drug
- Adapted from Open RN Nursing Pharmacology, 2nd edition: Chapter 6 Cardiovascular & Renal Systems
- Adapted from Open RN Nursing Skills, 2nd edition: Chapter 5 Math Calculations
- Furosemide (furosemide) oral prescribing information, REMEDYREPACK INC.
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