Examples · Oral dose — tablets
Worked example
Oral dose — tablets — practice problem 1
The prescriber orders 2.5 mg of furosemide PO. The pharmacy stocks furosemide in 2.5 mg tablets.
Ordered dose2.5 mg
On hand2.5 mg per tablet
How many tablets should the nurse give?
Answer: 1 tablet
Step-by-step solution
1. Identify what you have and what you want
Have: 2.5 mg per tablet · Want: 2.5 mg
2. Set up dimensional analysis so mg cancels
2.5 mg × ( 1 tablet ÷ 2.5 mg )
3. Cancel mg and solve
= ( 2.5 × 1 ) ÷ 2.5 tablet
= 1 tablet
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