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HESI Exit Exam Pediatric Development Bank:
Growth Milestones, Red Flags & NCLEX Review
Table of Contents
Subtopic 1: Neonatal and Infant Growth & Development (Birth to 12 Months) .................... 2
Subtopic 2: Toddler Development (1–3 Years) ................................................................ 10
Subtopic 3: Preschool-Age Development (3–5 Years) ..................................................... 18
Subtopic 4: School-Age Child Development (6–12 Years) ............................................... 26
Subtopic 5: Adolescent Growth & Puberty Milestones (12–18 Years)................................ 35
Subtopic 6: Pediatric Vital Signs & Growth Chart Interpretation ...................................... 43
Subtopic 7: Developmental Red Flags & Delayed Milestones .......................................... 52
Subtopic 8: Adolescent Growth, Puberty & Psychosocial Development ........................... 60
Subtopic 9: Nutrition, Sleep, and Physical Activity Milestones Across Pediatric Stages ..... 69
Subtopic 10: Developmental Surveillance, Screening Tools, and Anticipatory Guidance .. 77
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Subtopic 1: Neonatal and Infant Growth & Development
(Birth to 12 Months)
Questions 1–20
Question 1:
At what age should an infant typically begin to exhibit a social smile?
A. 1 week
B. 1 month
C. 2 months
D. 4 months
Correct Answer: C. 2 months
Rationale: A social smile generally emerges at around 6 to 8 weeks of age. It is a sign of
early social development and interaction with caregivers.
Question 2:
By what age should a baby be able to sit unsupported?
A. 3 months
B. 5 months
C. 6 months
D. 9 months
Correct Answer: C. 6 months
Rationale: Infants typically sit without support by around 6 months, indicating
strengthening of core muscles and motor development.
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Question 3:
At what age is it appropriate to begin introducing solid foods to an infant?
A. 2 months
B. 6 months
C. 8 months
D. 12 months
Correct Answer: B. 6 months
Rationale: The American Academy of Pediatrics recommends introducing solid foods at 6
months when infants can sit with support and show readiness.
Question 4:
Which reflex is expected to disappear by 4 months of age?
A. Babinski reflex
B. Parachute reflex
C. Moro reflex
D. Rooting reflex
Correct Answer: C. Moro reflex
Rationale: The Moro (startle) reflex typically disappears by 4 months as the nervous system
matures.
Question 5:
Which fine motor milestone is most appropriate for an 8-month-old?
A. Transfers objects from hand to hand
B. Uses pincer grasp
C. Builds tower of two blocks
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D. Holds crayon and scribbles
Correct Answer: B. Uses pincer grasp
Rationale: The pincer grasp (using thumb and forefinger) develops around 8 to 9 months,
enabling precise object handling.
Question 6:
What is the most appropriate toy for a 4-month-old infant?
A. Puzzle with large pieces
B. Crayons and paper
C. Rattle or soft toy
D. Stacking cups
Correct Answer: C. Rattle or soft toy
Rationale: At 4 months, infants enjoy toys that make sounds or are easy to grasp. Rattles
encourage sensory development.
Question 7:
An infant’s birth weight is 3.5 kg. What is the expected weight at 6 months?
A. 5.5 kg
B. 6.0 kg
C. 7.0 kg
D. 10.0 kg
Correct Answer: C. 7.0 kg
Rationale: By 6 months, an infant typically doubles their birth weight.
HESI Exit Exam Pediatric Development Bank:
Growth Milestones, Red Flags & NCLEX Review
Table of Contents
Subtopic 1: Neonatal and Infant Growth & Development (Birth to 12 Months) .................... 2
Subtopic 2: Toddler Development (1–3 Years) ................................................................ 10
Subtopic 3: Preschool-Age Development (3–5 Years) ..................................................... 18
Subtopic 4: School-Age Child Development (6–12 Years) ............................................... 26
Subtopic 5: Adolescent Growth & Puberty Milestones (12–18 Years)................................ 35
Subtopic 6: Pediatric Vital Signs & Growth Chart Interpretation ...................................... 43
Subtopic 7: Developmental Red Flags & Delayed Milestones .......................................... 52
Subtopic 8: Adolescent Growth, Puberty & Psychosocial Development ........................... 60
Subtopic 9: Nutrition, Sleep, and Physical Activity Milestones Across Pediatric Stages ..... 69
Subtopic 10: Developmental Surveillance, Screening Tools, and Anticipatory Guidance .. 77
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Subtopic 1: Neonatal and Infant Growth & Development
(Birth to 12 Months)
Questions 1–20
Question 1:
At what age should an infant typically begin to exhibit a social smile?
A. 1 week
B. 1 month
C. 2 months
D. 4 months
Correct Answer: C. 2 months
Rationale: A social smile generally emerges at around 6 to 8 weeks of age. It is a sign of
early social development and interaction with caregivers.
Question 2:
By what age should a baby be able to sit unsupported?
A. 3 months
B. 5 months
C. 6 months
D. 9 months
Correct Answer: C. 6 months
Rationale: Infants typically sit without support by around 6 months, indicating
strengthening of core muscles and motor development.
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Question 3:
At what age is it appropriate to begin introducing solid foods to an infant?
A. 2 months
B. 6 months
C. 8 months
D. 12 months
Correct Answer: B. 6 months
Rationale: The American Academy of Pediatrics recommends introducing solid foods at 6
months when infants can sit with support and show readiness.
Question 4:
Which reflex is expected to disappear by 4 months of age?
A. Babinski reflex
B. Parachute reflex
C. Moro reflex
D. Rooting reflex
Correct Answer: C. Moro reflex
Rationale: The Moro (startle) reflex typically disappears by 4 months as the nervous system
matures.
Question 5:
Which fine motor milestone is most appropriate for an 8-month-old?
A. Transfers objects from hand to hand
B. Uses pincer grasp
C. Builds tower of two blocks
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D. Holds crayon and scribbles
Correct Answer: B. Uses pincer grasp
Rationale: The pincer grasp (using thumb and forefinger) develops around 8 to 9 months,
enabling precise object handling.
Question 6:
What is the most appropriate toy for a 4-month-old infant?
A. Puzzle with large pieces
B. Crayons and paper
C. Rattle or soft toy
D. Stacking cups
Correct Answer: C. Rattle or soft toy
Rationale: At 4 months, infants enjoy toys that make sounds or are easy to grasp. Rattles
encourage sensory development.
Question 7:
An infant’s birth weight is 3.5 kg. What is the expected weight at 6 months?
A. 5.5 kg
B. 6.0 kg
C. 7.0 kg
D. 10.0 kg
Correct Answer: C. 7.0 kg
Rationale: By 6 months, an infant typically doubles their birth weight.
