ATI Dosage Calculation: Pediatric
Medications (Answered Summer
2026)
Course
ATI Dosage Calculation: Pediatric Medications
ATI Dosage Calculation: Pediatric Medications (Answered)
Questions 1–10
1. Acetaminophen Oral Suspension
A pediatric client weighs 18 kg. The provider prescribes Acetaminophen 15 mg/kg/dose PO
every 6 hr PRN fever. The medication available is 160 mg/5 mL.
Question: How many mL should the nurse administer per dose?
Answer:
Step 1:
15 mg × 18 kg = 270 mg
Step 2:
270 mg×5 mL160 mg=8.4 mL\frac{270\ mg \times 5\ mL}{160\ mg} = 8.4\
mL160 mg270 mg×5 mL=8.4 mL
Final Answer: 8.4 mL
2. Amoxicillin Suspension
A child weighs 22 kg. The prescription reads Amoxicillin 40 mg/kg/day PO divided into 2
doses. Available medication is 400 mg/5 mL.
Question: How many mL should the nurse administer per dose?
Answer:
Daily dose:
40 mg × 22 kg = 880 mg/day
Dose twice daily:
880 ÷ 2 = 440 mg/dose
440×5400=5.5 mL\frac{440 \times 5}{400} = 5.5\ mL400440×5=5.5 mL
,Final Answer: 5.5 mL per dose
3. Ceftriaxone IM
A child weighs 15 kg. The provider prescribes Ceftriaxone 50 mg/kg IM once daily.
Question: How many mg should the nurse administer?
Answer:
50 mg × 15 kg = 750 mg
Final Answer: 750 mg
4. Digoxin
A child weighs 10 kg. The prescription is Digoxin 8 mcg/kg/day divided every 12 hr.
Question: How many mcg should the nurse administer per dose?
Answer:
Daily dose:
8 mcg × 10 kg = 80 mcg/day
Every 12 hr:
80 ÷ 2 = 40 mcg
Final Answer: 40 mcg per dose
5. Ibuprofen Suspension
A child weighs 25 kg. The provider prescribes Ibuprofen 10 mg/kg PO every 8 hr PRN pain.
Available concentration is 100 mg/5 mL.
Question: How many mL should the nurse administer?
Answer:
10 mg × 25 kg = 250 mg
250×5100=12.5 mL\frac{250 \times 5}{100} = 12.5\ mL100250×5=12.5 mL
Final Answer: 12.5 mL
, 6. Gentamicin IV
A child weighs 20 kg. The provider prescribes Gentamicin 2.5 mg/kg IV every 8 hr.
Question: How many mg should the nurse administer per dose?
Answer:
2.5 mg × 20 kg = 50 mg
Final Answer: 50 mg
7. Prednisolone
A child weighs 16 kg. The provider prescribes Prednisolone 1 mg/kg/day PO divided BID.
Available medication is 15 mg/5 mL.
Question: How many mL should the nurse administer per dose?
Answer:
Daily dose:
1 mg × 16 kg = 16 mg/day
BID:
16 ÷ 2 = 8 mg/dose
8×515=2.7 mL\frac{8 \times 5}{15} = 2.7\ mL158×5=2.7 mL
Final Answer: 2.7 mL
8. Vancomycin
A child weighs 30 kg. The provider prescribes Vancomycin 15 mg/kg IV every 6 hr.
Question: How many mg should the nurse administer per dose?
Answer:
15 mg × 30 kg = 450 mg
Final Answer: 450 mg
9. Azithromycin Suspension
Medications (Answered Summer
2026)
Course
ATI Dosage Calculation: Pediatric Medications
ATI Dosage Calculation: Pediatric Medications (Answered)
Questions 1–10
1. Acetaminophen Oral Suspension
A pediatric client weighs 18 kg. The provider prescribes Acetaminophen 15 mg/kg/dose PO
every 6 hr PRN fever. The medication available is 160 mg/5 mL.
Question: How many mL should the nurse administer per dose?
Answer:
Step 1:
15 mg × 18 kg = 270 mg
Step 2:
270 mg×5 mL160 mg=8.4 mL\frac{270\ mg \times 5\ mL}{160\ mg} = 8.4\
mL160 mg270 mg×5 mL=8.4 mL
Final Answer: 8.4 mL
2. Amoxicillin Suspension
A child weighs 22 kg. The prescription reads Amoxicillin 40 mg/kg/day PO divided into 2
doses. Available medication is 400 mg/5 mL.
Question: How many mL should the nurse administer per dose?
Answer:
Daily dose:
40 mg × 22 kg = 880 mg/day
Dose twice daily:
880 ÷ 2 = 440 mg/dose
440×5400=5.5 mL\frac{440 \times 5}{400} = 5.5\ mL400440×5=5.5 mL
,Final Answer: 5.5 mL per dose
3. Ceftriaxone IM
A child weighs 15 kg. The provider prescribes Ceftriaxone 50 mg/kg IM once daily.
Question: How many mg should the nurse administer?
Answer:
50 mg × 15 kg = 750 mg
Final Answer: 750 mg
4. Digoxin
A child weighs 10 kg. The prescription is Digoxin 8 mcg/kg/day divided every 12 hr.
Question: How many mcg should the nurse administer per dose?
Answer:
Daily dose:
8 mcg × 10 kg = 80 mcg/day
Every 12 hr:
80 ÷ 2 = 40 mcg
Final Answer: 40 mcg per dose
5. Ibuprofen Suspension
A child weighs 25 kg. The provider prescribes Ibuprofen 10 mg/kg PO every 8 hr PRN pain.
Available concentration is 100 mg/5 mL.
Question: How many mL should the nurse administer?
Answer:
10 mg × 25 kg = 250 mg
250×5100=12.5 mL\frac{250 \times 5}{100} = 12.5\ mL100250×5=12.5 mL
Final Answer: 12.5 mL
, 6. Gentamicin IV
A child weighs 20 kg. The provider prescribes Gentamicin 2.5 mg/kg IV every 8 hr.
Question: How many mg should the nurse administer per dose?
Answer:
2.5 mg × 20 kg = 50 mg
Final Answer: 50 mg
7. Prednisolone
A child weighs 16 kg. The provider prescribes Prednisolone 1 mg/kg/day PO divided BID.
Available medication is 15 mg/5 mL.
Question: How many mL should the nurse administer per dose?
Answer:
Daily dose:
1 mg × 16 kg = 16 mg/day
BID:
16 ÷ 2 = 8 mg/dose
8×515=2.7 mL\frac{8 \times 5}{15} = 2.7\ mL158×5=2.7 mL
Final Answer: 2.7 mL
8. Vancomycin
A child weighs 30 kg. The provider prescribes Vancomycin 15 mg/kg IV every 6 hr.
Question: How many mg should the nurse administer per dose?
Answer:
15 mg × 30 kg = 450 mg
Final Answer: 450 mg
9. Azithromycin Suspension
