Pediatric Nurse Exam Pediatric Nurse Pharmacology and Medication Administration 2

Question 1

A 4-year-old weighing 18 kg is prescribed amoxicillin 40 mg/kg/day divided every 8 hours. How many mg should be given per dose?

Accepted Answer

240 mg

Answer

40 mg/kg/day × 18 kg = 720 mg/day ÷ 3 doses = 240 mg per dose.

Question 2

When administering IM injections to a toddler (1-3 years), which muscle site is preferred?

Accepted Answer

Vastus lateralis

Answer

The vastus lateralis is the preferred IM site for toddlers because it is well-developed and free of major nerves and vessels.

Question 3

A child receives IV acetaminophen 15 mg/kg every 6 hours. The child weighs 25 kg. What is the maximum daily dose this child should receive?

Accepted Answer

1500 mg

Answer

15 mg/kg × 25 kg = 375 mg/dose × 4 doses/day = 1500 mg/day maximum.

Question 4

Which finding requires the nurse to withhold digoxin in a pediatric patient before administration?

Accepted Answer

Apical pulse below 90 bpm in an infant

Answer

Digoxin should be withheld and the provider notified if the apical pulse is below 90-110 bpm in infants (or below 70 bpm in older children).

Question 5

A nurse is preparing to give oral liquid medication to a 6-month-old. Which method is safest for administration?

Accepted Answer

Oral syringe placed along the side of the cheek

Answer

Using an oral syringe placed along the inner cheek minimizes aspiration risk and ensures accurate dosing.

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