Fundamentals of Nursing · Growth and Development

Application to Care

12 min read
Safety note: Educational draft only. Safety guidance, screening tools, consent/assent rules, and scope of practice vary by jurisdiction, facility, and current published guidance — verify with institutional policy and current sources before applying in practice. No specific clinical thresholds, doses, or treatments are asserted.
Want it in plain words first? Jump to Eli explains — the same idea, no jargon.
On this page 9 sections
  1. In 30 seconds
  2. Why this matters
  3. The college version
  4. Eli explains
  5. Worked example
  6. Key takeaway
  7. Check yourself
  8. Study tools
  9. Sources & references

In 30 seconds

Knowing the stages (Stages of Growth and Development) and the theories (Specific Developmental Theories) is only half the work — the other half is turning that knowledge into daily nursing actions. This topic is the bridge: how nurses use developmental understanding in assessment, communication, patient education, hospitalization, play, safety guidance, and family support — for patients of every age, from newborns to older adults.

The guiding idea is simple to state and hard to practice: match the care to the person's developmental level, not just their birthday. A 3-year-old and a 30-year-old may both need a blood draw; the goal is identical, but the preparation, explanation, positioning, and support must be completely different. The nurse who can shift approach fluidly across ages — and across the wide variation within any age — is practicing . Throughout, nurses work within their scope and facility policy: and teaching are nursing actions, while diagnosis and treatment decisions belong to the appropriate providers.

Why this matters

  • Developmentally matched care reduces fear and builds cooperation. A child who understands a procedure in age-appropriate terms is less terrified; a frightened child is harder to assess and treat safely.
  • Teaching fails when it ignores development. Education must match cognitive stage (Piaget), psychosocial needs (Erikson), and . Teaching an abstract concept to a concrete thinker is wasted effort — and a safety issue when the plan is misunderstood.
  • Hospitalization is a developmental event. Illness and hospitalization interrupt normal development — separation, , loss of control — and the nurse's job includes minimizing that disruption.
  • Assessment is developmental. What is normal for one age is a red flag for another; nurses interpret findings against developmental expectations.
  • Safety guidance must be stage-specific. that matches developmental risk — from car seats to adolescent driving — is a core prevention role of nursing.
  • NCLEX connection: application questions dominate — "Which statement by the nurse is most appropriate for a 5-year-old?" — so practice converting stage knowledge into words and actions.

The college version

Core Concepts

Developmental assessment in practice

  • Growth: plot height, weight, and head circumference on growth charts; interpret the pattern over time (percentiles that track steadily) rather than a single point.
  • Development: use the facility's developmental screening approach (e.g., parent-report questionnaires, milestone checklists) at well visits and when concerns arise. Screening identifies who needs further evaluation — it is not diagnosis.
  • Observation: how the child plays, communicates, and interacts with parents during the visit is rich data — a child who does not make eye contact or respond to a parent's voice may warrant further assessment.
  • Adults: assess development too — functional status, cognitive changes, and whether the person is managing the tasks of their life stage (e.g., an older adult's ability to manage medications at home).
  • Red flags: regression of already-mastered skills, loss of previously gained language or motor abilities, or significant deviation from expected ranges should be documented and escalated per facility policy.

Communicating by developmental stage

  • Infants: communicate through the parents — explain to them, and interact with the infant through calm voice, gentle handling, and familiar objects. Keep parents present whenever possible.
  • Toddlers: short, concrete statements; give choices within limits ("do you want the medicine in a cup or with a syringe?"); expect "no" — it is normal autonomy, not a personal rejection. Use distraction and play.
  • Preschoolers: simple, honest explanations; address magical thinking directly ("nothing you did made you sick"); use books, dolls, and . Avoid words that can be misunderstood literally (e.g., "cut," "shot," "put to sleep") — explain in terms they can picture.
  • School-age children: they can follow step-by-step explanations and want to be helpers; let them handle equipment (with supervision), ask questions, and make small choices. Praise effort.
  • Adolescents: speak to them directly, not only to parents; respect privacy and confidentiality within legal and policy limits; be honest and nonjudgmental; involve them in decisions about their care.
  • Older adults: face the person, speak clearly, allow extra time; check hearing and vision; ask about preferred name and how they want to be addressed; respect life experience and autonomy; never talk about the person as if they are not there.

Teaching patients and families

  • Assess readiness first: pain, hunger, anxiety, and unmet basic needs block learning (Maslow) — address those before teaching.
  • Match the method to the stage: concrete demonstrations and pictures for concrete thinkers; printed materials at the right reading level; for everyone — ask the learner to explain or demonstrate in their own words.
  • Involve the family: identify who manages the care at home and teach them too; ask about the family's routines, beliefs, and resources.
  • Anticipatory guidance: tell families what comes next developmentally — the first tooth, the first steps, puberty, menopause, retirement — so normal changes do not cause alarm and safety measures are in place before they are needed.

Hospitalization across the lifespan

  • (infants and toddlers): the most stressful part of hospitalization for young children is separation from parents, not the procedures. Minimize it: encourage , maintain consistent caregivers, allow security objects, and keep routines (feeding, bedtime) as normal as possible. Separation anxiety follows a pattern — protest, despair, detachment — that nurses recognize and try to prevent.
  • Regression (toddlers and preschoolers): children may temporarily return to earlier behaviors (bedwetting, baby talk, thumb-sucking) under stress. This is a normal coping response, not a failure — reassure parents, do not punish, and expect the behavior to resolve as the child feels safe again.
  • Body image and mutilation fears (preschool and school-age): children fear being cut, damaged, or permanently changed. Explain what will and will not happen to their body, use bandages and play to demystify, and involve them in their own care.
  • Loss of control (school-age and adolescents): both groups value competence and control. Offer choices, explain reasons, and respect privacy — for adolescents especially, treat them as partners in their own care.
  • Older adults: unfamiliar environments and acute illness increase the risk of confusion; orient frequently, keep familiar items and routines, involve family, and distinguish confusion from the person's baseline. Falls risk and sensory changes also demand developmentally aware precautions.

Play as therapeutic care

Play is the child's work — the medium through which children master experiences. Nurses use medical play (exploring a stethoscope, "practicing" on a doll) to prepare children for procedures, and distraction (blowing bubbles, counting, storytelling) during painful ones. Play types develop in a sequence — solitary, then parallel (playing alongside others), then associative and cooperative play — and the nurse matches activities to the child's play stage.

Safety and anticipatory guidance by stage

  • Infants: safe sleep practices, car seat use, fall prevention (never leave on a raised surface), supervision during feeding and bathing.
  • Toddlers: poisoning prevention (locked cabinets, childproofing), burns (hot surfaces, water temperature), choking hazards, constant supervision — toddlers explore everything.
  • Preschool and school-age: street and bicycle safety, helmets, water safety, stranger safety; seat belts and booster seats per current guidance.
  • Adolescents: motor vehicle safety, substance use prevention, mental health awareness, social media and online safety — discussed honestly and nonjudgmentally.
  • Older adults: fall prevention (home hazards, footwear, lighting), medication management, driving safety, and advance care planning conversations.

These are general educational themes; specific recommendations change as guidance and laws are updated, and nurses should follow current, facility-endorsed sources.

  • Family partnership: parents and caregivers are the experts on their child and the implementers of home care — treat them as partners, teach them, and support them.
  • Culture: child-rearing practices, communication styles, and beliefs about illness vary; ask rather than assume, and respect practices that do not conflict with safety.
  • Consent and : parents or legal guardians consent for minors; the child's assent (willing agreement appropriate to age) is sought as development allows; rules for emancipated minors, mature minors, and capacity in older adults vary by jurisdiction and facility policy — nurses verify rather than assume.
  • Scope of practice: screening, teaching, and support are nursing actions; diagnosing developmental disorders and prescribing treatment are not. Referrals, orders, and policies govern what each nurse may do in their setting.

Common Confusions

Do Not ConfuseWithThe Difference
Age-appropriate careIdentical care for everyone of that ageAge gives a starting point; individuals vary widely within any age
RegressionA developmental delayRegression = losing skills after stress; delay = never gaining them on time. Regression is usually temporary and normal
Separation anxiety"Being spoiled"Clinging and protest at separation reflect attachment needs, not bad parenting
Preschooler's literal thinkingMisbehaviorA preschooler who "mixes up" scary words is thinking concretely — clarify, don't correct
ScreeningDiagnosisScreening flags possible concerns for evaluation; only qualified providers diagnose
AssentConsentAssent is the child's age-appropriate agreement; consent is the legal permission of parents/guardians (with jurisdictional variations)
"He's too young to understand""So don't explain"Even infants benefit from calm voices and honest tone; children understand far more than words alone
Comforting the familyIgnoring the childFamily support and child support are both part of developmentally appropriate care
Eli, the EliExplains learning guide

Eli explains

The same idea, in plain words

Explain it like I’m 10

A good nurse is like a good tour guide who talks to every visitor in their own language. A baby needs calm voices and their parent close by. A little kid needs short, honest answers and a chance to "practice" on a doll. A teenager needs to be asked, not told, and treated with respect. When nurses match their words and actions to how each person thinks and feels, the person is less scared, understands more, and gets better care.

Worked example

The pediatric unit admits 4-year-old Amara for observation after a minor procedure. The nurse plans her care developmentally.

First, she arranges for Amara's mother to stay (rooming-in) and asks about Amara's favorite blanket and bedtime routine — because at Amara's age, separation from her mother is the biggest stressor of all. When Amara starts sucking her thumb — a behavior she had given up — the nurse quietly tells the mother this is a normal stress response, not a setback, and to expect it to fade once Amara feels safe. The nurse does not say "we're going to take a blood sample"; instead she explains, "We'll use a tiny straw to take a little drop of your blood," and lets Amara practice on a doll first (medical play). When Amara asks, "Did I get sick because I was bad?" — magical thinking typical of the preschool years — the nurse answers directly: "No, sweetheart. Nothing you did made you sick."

Throughout the shift, the nurse offers Amara choices within limits ("Do you want the purple cup or the blue cup?"), teaches the mother the discharge instructions using teach-back, and documents the plan, the teaching, and Amara's responses. The procedure itself was routine; the developmental care around it — attachment, literal language, play, autonomy, and family partnership — is what made it safe and tolerable.

Key takeaways

  • Match care to developmental level, not birthday — the core principle of this topic.
  • Separation anxiety is the big stressor for hospitalized infants/toddlers — minimize with rooming-in, consistent caregivers, security objects, and routines.
  • Regression under stress is normal for toddlers and preschoolers — reassure parents, never punish.
  • Preschoolers take words literally — avoid "cut," "shot," "put to sleep"; address magical thinking ("it's not your fault").
  • School-age children want to help and be competent (industry) — give them a job and praise effort.
  • Adolescents need direct, private, nonjudgmental communication — speak to them, not just their parents.
  • Older adults need extra time, sensory accommodation, and orientation — and their baseline must be known before labeling confusion.
  • Teach-back for every learner; assess readiness first (pain, hunger, fear block learning).
  • Play is therapeutic — medical play prepares, distraction helps during procedures.
  • Screening and referral, not diagnosis — and scope/consent/assent rules vary by state and facility.

Check yourself

6 review questions from the chapter. Try each one, then open the answer.

  1. Why is separation anxiety considered the biggest stressor for hospitalized infants and toddlers, and what three nursing actions minimize it?

    Show answer

    At that age, attachment to parents is the developmental priority, and separation disrupts it. Minimize with rooming-in/parent presence, consistent caregivers, and maintaining familiar routines and security objects.

  2. A preschooler asks if her illness is her fault. What is happening developmentally, and how should the nurse respond?

    Show answer

    Magical, egocentric thinking (preoperational stage) makes children blame themselves for events they don't understand. The nurse should answer directly and simply: "No — nothing you did made you sick."

  3. How should the nurse's communication with an adolescent differ from communication with a school-age child?

    Show answer

    School-age children benefit from step-by-step explanations, being helpers, and praise; adolescents should be addressed directly, with privacy and confidentiality respected (within legal and policy limits), nonjudgmental honesty, and involvement in their own decisions.

  4. What is regression, and how should the nurse respond when a hospitalized toddler begins bedwetting?

    Show answer

    Regression is temporarily returning to earlier behaviors under stress — a normal coping response. The nurse reassures the parents it is expected and temporary, does not punish, and focuses on helping the child feel safe.

  5. What is the difference between screening and diagnosis in developmental assessment?

    Show answer

    Screening uses tools to flag possible concerns and identify who needs further evaluation; diagnosis is a clinical determination made by qualified providers. Nurses screen, document, and refer.

  6. Why must the nurse "assess readiness" (pain, hunger, anxiety) before teaching a patient?

    Show answer

    Unmet basic needs (Maslow) — pain, hunger, fear — block attention and learning. The nurse addresses comfort first so teaching can be heard and retained.

Keep learning

Ready to build on this? Continue to the next lesson.

Study tools & related lessonsKey vocabulary · Related

Key vocabulary

Developmentally appropriate care
Care matched to a person's developmental level, not just age
Separation anxiety
Distress when a child is separated from primary caregivers
Regression
Returning to earlier developmental behaviors under stress
Medical play
Using toys and equipment to prepare children for procedures
Anticipatory guidance
Teaching families what to expect and how to prepare next
Teach-back
Asking the learner to explain or demonstrate in their own words
Assent
A child's age-appropriate agreement to participate in care
Screening
Checking for possible developmental concerns using tools
Health literacy
Ability to obtain, understand, and act on health information
Rooming-in
Parents staying with and caring for their child in the hospital

Sources & references

  1. openstax.org — Fundamentals Nursing

This lesson was adapted from the open educational references above; their licenses and attributions are preserved. See Copyright & Licensing.

Educational content only. It is not medical, legal or professional advice. Found an error? Tell us.