Medication Dosage Calculations Practice Test

A 63-year-old client with pneumonia is ordered azithromycin 0.5 g PO once daily. The pharmacy supplies azithromycin 250 mg tablets. Convert the prescribed dosage into the available concentration (how many tablets per dose).

A 4-year-old child weighs 18 kg and is diagnosed with acute otitis media. The provider orders amoxicillin $45\ \text{mg/kg/day}$ PO divided q12h; the safe range is $40$–$50\ \text{mg/kg/day}$. The pharmacy supplies amoxicillin suspension $400\ \text{mg}/5\ \text{mL}$. What is the correct volume to administer per dose?