1. Administering phenobarbital 6 mg/kg/day PO divided in equal doses every 12 hrs to a patient weighing 44 lb. Available 20 mg/5 mL. How many mL per dose?
2. Administering cefaclor 500 mg PO every 12 hrs. Available cefaclor 250 mg/5 mL. How many mL per dose?
3. Administering furosemide 20 mg IM. Available furosemide 10 mg/mL. How many mL for the injection?
4. Administering morphine 4 mg IM. Available is 10 mg/mL. How many mL for the injection?
5. Administering codeine 20 mL oral solution. How many teaspoons (tsp) does this equal?