DOSAGE CALCULATIONS PRACTICE
Anoka Technical College
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ATI Dosage Calculations Practice Exam Answers 2021.
- Exam (elaborations) • 12 pages • 2022
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Dosage Calculations Practice 
Order: Biaxin 200 mg p.o. q 12 h for a child who weighs 45 lbs. 
Have: Biaxin 125 mg per 5 mL 
 
Biaxin label states 15 mg/kg/day in two equal doses. 
 
Is this dosage safe? 
1. Convert lbs to kgs. 45lbs = 20.5 kg 
 
2. Calculate the recommended dose per day. A child weighing 20.5 kg can have 307.5 mg PER DAY. So, divide 307.5 by 2 to get a single dose. So, the maximum single dose is 153.75 mg. 
 
3. NO, the ordered dose is not safe. The doctor ordered 200 mg which ...
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