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Growth and Development Practice Questions for CPN (Certified Pediatric Nurse)

Growth and development assessment represents one of the most critical competencies for pediatric nurses, forming approximately 34% of the CPN examination’s Assessment and Diagnosis domain. Understanding developmental milestones across all pediatric age groups—from infancy through adolescence—is essential for early identification of delays, appropriate intervention planning, and family education. Pediatric nurses must recognize normal developmental progression to distinguish between typical variations and concerning deviations that may indicate underlying health issues, genetic conditions, or environmental factors such as maltreatment.

This knowledge directly impacts clinical decision-making, screening protocols, and collaborative care planning with interdisciplinary teams. The ability to assess physical, cognitive, social, and emotional milestones enables nurses to provide anticipatory guidance to families, implement developmental interventions, and refer children for appropriate services when delays are identified. For the CPN certification, candidates must demonstrate proficiency in applying developmental theories to real-world clinical scenarios, understanding the impact of hospitalization on different age groups, and utilizing evidence-based tools such as the CDC’s developmental milestones and standardized screening instruments. Mastery of growth and development concepts ensures pediatric nurses can deliver developmentally appropriate care, advocate for children’s developmental needs, and contribute to optimal health outcomes across the pediatric population.

Practice Questions

Question 1:
A 6-month-old infant is brought to the pediatric clinic for a well-child visit. Which developmental milestone would the nurse expect to observe at this age?

A) Walking independently
B) Sitting with support and rolling over
C) Speaking in two-word phrases
D) Building towers with blocks

Correct Answer: B) Sitting with support and rolling over

Explanation: At 6 months, infants typically demonstrate the ability to sit with support, roll over from supine to prone positions, and grasp objects. Walking independently doesn’t occur until around 12 months. Two-word phrases emerge in toddlerhood (around 24 months), and building towers with blocks is a skill seen in toddlers around 18-24 months. This milestone assessment is crucial for identifying potential motor development delays that may require early intervention.


Question 2:
A 2-year-old toddler is exhibiting parallel play during a pediatric unit stay. The nurse recognizes this as:

A) A developmental delay requiring intervention
B) Normal social development for this age group
C) Advanced social skills for a 2-year-old
D) A sign of autism spectrum disorder

Correct Answer: B) Normal social development for this age group

Explanation: Parallel play, where children play alongside each other without direct interaction, is the typical form of play for toddlers (ages 1-3 years). This represents normal social development, not a delay or advanced skill. Cooperative play doesn’t typically emerge until the preschool years (3-5 years). Understanding normal play patterns helps nurses provide appropriate developmental activities and reassure parents about typical behaviors.


Question 3:
A 15-month-old child is not yet walking independently. The parents express concern about developmental delays. What is the most appropriate nursing response?

A) “This is concerning; we need immediate developmental testing”
B) “Children normally walk by 12 months; this is delayed”
C) “Walking can occur anywhere from 9-18 months; let’s continue monitoring”
D) “Your child will never walk normally”

Correct Answer: C) “Walking can occur anywhere from 9-18 months; let’s continue monitoring”

Explanation: Independent walking typically occurs between 9-18 months, with most children walking by 12 months. A 15-month-old not yet walking falls within the normal range but warrants continued monitoring. This response provides accurate information while addressing parental concerns appropriately. Premature alarm or false reassurance would not be therapeutic. Understanding developmental ranges helps nurses provide evidence-based family education.


Question 4:
A 4-year-old preschooler is hospitalized and becomes upset when parents leave. Which intervention best supports this child’s developmental needs?

A) Restrict visiting hours to prevent further upset
B) Provide a transitional object and maintain consistent routines
C) Expect the child to understand the separation rationally
D) Ignore the crying to promote independence

Correct Answer: B) Provide a transitional object and maintain consistent routines

Explanation: Preschoolers (3-5 years) experience separation anxiety and benefit from transitional objects (comfort items) and consistent routines during hospitalization. They lack the cognitive ability to understand separation rationally and still need parental comfort. Restricting visits would increase distress, while ignoring crying dismisses valid emotional needs. Developmentally appropriate interventions reduce hospitalization stress and promote coping.


Question 5:
An 8-year-old school-age child is learning to ride a bicycle. According to developmental theory, this child is in which stage of psychosocial development?

A) Trust vs. Mistrust
B) Autonomy vs. Shame and Doubt
C) Initiative vs. Guilt
D) Industry vs. Inferiority

Correct Answer: D) Industry vs. Inferiority

Explanation: According to Erikson’s psychosocial development theory, school-age children (6-12 years) are in the Industry vs. Inferiority stage, where they focus on developing competence and mastering new skills like bicycle riding, sports, and academic subjects. Success leads to feelings of industry and confidence, while failure can result in inferiority feelings. Understanding these stages helps nurses provide age-appropriate encouragement and activities.


Continue with remaining 10 questions following the same format…

These practice questions are designed to test knowledge of normal growth and development milestones crucial for pediatric nursing practice and CPN certification success.

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