ATI Pediatrics 2025 Exam –
Complete Verified NCLEX
Prep Test Bank with 50
Questions and Correct
Answers
Question 1
A nurse is assessing a 6-month-old infant during a well-child visit. Which developmental
milestone should the nurse expect?
A. Walking independently
B. Sitting without support
C. Using a pincer grasp
D. Saying two-word phrases
Correct Answer: B. Sitting without support
Rationale: By 6 months, infants typically sit without support, a key gross motor milestone.
Walking independently occurs around 12 months, pincer grasp develops around 9–12 months,
and two-word phrases emerge around 2 years, per ATI pediatric developmental standard s.
Question 2
A nurse is caring for a 4-year-old child with suspected appendicitis. Which symptom is most
concerning?
A. Low-grade fever
B. Right lower quadrant pain
C. Mild nausea
D. Increased appetite
Correct Answer: B. Right lower quadrant pain
Rationale: Right lower quadrant pain is a hallmark sign of appendicitis in children, indicating
, 2
possible peritoneal irritation and requiring urgent evaluation to prevent rupture, per ATI pediatric
surgical standards.
Question 3
A nurse is teaching parents about administering oral rehydration solution to a 2-year-old with
gastroenteritis. Which instruction is most important?
A. Give large volumes at once
B. Administer small, frequent sips
C. Mix with juice for taste
D. Avoid giving fluids for 4 hours
Correct Answer: B. Administer small, frequent sips
Rationale: Small, frequent sips of oral rehydration solution prevent worsening dehydration and
reduce vomiting in children with gastroenteritis, per ATI pediatric fluid and electrolyte
standards.
Question 4
A nurse is assessing a newborn with suspected jaundice. Which finding requires immediate
intervention?
A. Yellowing of the sclera
B. Breastfeeding frequently
C. Sleeping for 3 hours
D. Passing meconium
Correct Answer: A. Yellowing of the sclera
Rationale: Yellowing of the sclera indicates significant hyperbilirubinemia, which can lead to
kernicterus if untreated, requiring immediate evaluation, per ATI pediatric neonatal standards.
Question 5
A nurse is preparing to administer a measles, mumps, and rubella (MMR) vaccine to a 15-
month-old. Which site is most appropriate?
A. Deltoid muscle
B. Ventrogluteal muscle
C. Dorsogluteal muscle
D. Vastus lateralis muscle
, 3
Correct Answer: A. Deltoid muscle
Rationale: The deltoid muscle is the preferred site for MMR vaccine administration in toddlers
due to adequate muscle mass and lower risk of nerve injury, per ATI pediatric immunization
standards.
Question 6
A nurse is caring for a 10-year-old with type 1 diabetes mellitus. The child’s blood glucose is
350 mg/dL. What is the priority action?
A. Administer insulin as prescribed
B. Offer a high-carbohydrate snack
C. Encourage water intake
D. Check urine for ketones
Correct Answer: D. Check urine for ketones
Rationale: A blood glucose of 350 mg/dL suggests possible diabetic ketoacidosis (DKA).
Checking for ketones is the priority to confirm DKA and guide treatment, per ATI pediatric
endocrine standards.
Question 7
A nurse is assessing a 3-year-old with suspected dehydration. Which finding is most concerning?
A. Heart rate of 120 beats/min
B. Sunken fontanelles
C. Moist mucous membranes
D. Urine output of 1 mL/kg/hr
Correct Answer: B. Sunken fontanelles
Rationale: Sunken fontanelles in a young child indicate severe dehydration, requiring immediate
fluid replacement to prevent complications, per ATI pediatric fluid and electrolyte standards.
Question 8
A nurse is teaching parents about safety for a 2-year-old. Which instruction is most important?
A. Allow the child to play near stairs
B. Secure cabinets with safety locks
C. Keep toys with small parts accessible
D. Store cleaning supplies on low shelves