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Dosage Calculation Practice
Mixed dosage math · Clinical application
Form
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Instructions
Show setup and units. Round only at the final step unless instructed. These original scenarios are for calculation practice—not patient-specific care.
Gravity drip
250 mL is to infuse by gravity over 3 hours. The tubing drop factor is 10 gtt/mL. Calculate the flow rate in gtt/min.
Answer:Weight-based dose to volume
For calculation practice, a 18 kg child is ordered 12.5 mg/kg/dose. The liquid is available as 125 mg per 5 mL. How many mL are needed for one dose?
Answer:Oral liquid
The provider orders 800 mg of a liquid medication. The bottle is labeled 400 mg per 5 mL. How many mL should be administered?
Answer:Unit conversion
Convert 0.075 mg to mcg.
Answer:Reconstitution
After reconstitution, a vial contains 100 mg/mL. The order is for 300 mg. How many mL should be withdrawn?
Answer: