You must master 150 scored items to earn your credential. Start your review with these Pediatric Nursing Certification Board (PNCB) CPN practice questions. They cover all four official domains, from Assessment to Health Promotion, before you tackle our full bank of 2200+ practice questions.
Question 1
10 of 15. A nurse is preparing to administer an intramuscular injection to a 7-year-old child who has severe atopic dermatitis with excoriated skin on both extremities. How should the nurse proceed with pain mitigation?
- A) Apply the vibrating cold device directly over the excoriated skin.
- B) Use a vapocoolant spray directly on the compromised skin area.
- C) Place the vibrating cold device proximally on intact skin tissue.✓
- D) Administer the injection without utilizing any topical pain mitigation.
💡 Key Takeaway
Pain mitigation devices can be placed on proximal intact skin when the injection site area is compromised.
Show rationale
When using a vibrating cold device, it is crucial to avoid placing the frozen ice pack or vibrating unit directly over broken, irritated, or excoriated skin to prevent further tissue damage and infection. However, the nurse can still utilize the Gate Control Theory by placing the device proximally on healthy, intact skin to intercept the pain signals. Option A is incorrect because applying the device over excoriated skin can exacerbate the dermatitis and cause severe discomfort. Option B is incorrect because vapocoolant sprays contain propellants that will burn and irritate compromised skin. Option D is incorrect because the nurse should always attempt to provide appropriate pain management, and alternative placements allow for effective mitigation without compromising the child's skin integrity.
Question 2
11 of 15. A 4-year-old child who recently achieved daytime continence begins having frequent accidents and using baby talk during clinic visits. The parent recently separated from a partner following a history of frequent loud altercations. Which assessment finding best differentiates trauma-induced regression from a normative stress response?
- A) The child exhibits transient clinging behavior during the visit.
- B) The child displays intense hyperarousal and exaggerated startle.✓
- C) The child requests a pacifier when feeling tired or hungry.
- D) The child demonstrates occasional resistance to following rules.
💡 Key Takeaway
Severe autonomic dysregulation differentiates trauma-induced behavioral regression from typical developmental stress responses in preschool children.
Show rationale
While transient clinging and occasional rule resistance can be normative stress responses to family transitions, intense hyperarousal and an exaggerated startle response are specific indicators of trauma exposure. Children exposed to domestic violence often exhibit profound autonomic nervous system dysregulation alongside behavioral regression. Assessing for hyperarousal helps distinguish trauma-induced regression from typical developmental setbacks. Option A is a common, mild stress response. Option C reflects typical self-soothing behavior. Option D is developmentally appropriate limit-testing for a preschooler, lacking the severity of trauma-related dysregulation.
Question 3
12 of 15. The parents of a 2-week-old newborn are distressed after newborn screening results indicate the infant has sickle cell trait. The parents are distressed and ask what treatments their baby needs right now.
- A) Explain the infant needs lifelong daily prophylactic oral folic acid supplementation.
- B) Clarify the infant is a healthy carrier and will not develop disease.✓
- C) Schedule the infant for baseline hemoglobin electrophoresis testing at six months.
- D) Refer the family to a pediatric hematologist for immediate chronic disease management.
💡 Key Takeaway
Sickle cell trait is a benign carrier state requiring parental reassurance rather than medical intervention.
Show rationale
Newborn screening reliably identifies sickle cell trait, which frequently causes profound parental anxiety due to confusion with the actual disease. The primary nursing action is to provide clear education that the trait is a benign carrier state and the child will not develop sickle cell disease. Options A and D involve interventions and referrals that are standard for managing sickle cell disease, not the trait, and would unnecessarily elevate parental fear. Option C is redundant and unnecessary because the newborn screening has already confirmed the diagnosis using highly sensitive methods like electrophoresis or high-performance liquid chromatography.
Question 4
13 of 15. A 16-year-old with a history of depression is preparing for discharge, and the nurse is creating a discharge safety plan.
- A) Instruct the parents to remove all potentially dangerous items from the home.
- B) Provide a standardized safety contract for the teen and parents to sign.
- C) Guide the teen to identify personal warning signs and preferred support contacts.✓
- D) Remind the teen to call the emergency hotline if symptoms suddenly worsen.
💡 Key Takeaway
Collaborative safety planning that respects the adolescent's input is more effective than standardized or parent-directed interventions.
Show rationale
Guiding the adolescent to identify their own warning signs and preferred contacts respects their input and ensures the safety plan is personalized and realistic. This collaborative approach increases the likelihood that the teen will actually use the plan. Option A is incorrect because focusing exclusively on the parents removes the teen from the process, failing to build their self-regulation skills. Option B is incorrect because a standardized contract does not reflect the adolescent's unique triggers or coping strategies, making it less effective than a personalized plan. Option D is incorrect because simply reminding the teen to call a hotline is a directive approach that lacks the comprehensive, collaborative planning needed for effective mental health support. Engaging teens directly is vital.
Question 5
14 of 15. A 4-month-old infant who is exclusively breastfed presents to the clinic with poor weight gain over the last month despite regular pancreatic enzyme administration. Which dietary adjustment is most appropriate?
- A) Switch the infant completely to a standard formula.
- B) Fortify expressed breast milk with high-calorie formula powder.✓
- C) Introduce solid foods like rice cereal to feedings.
- D) Restrict feeding times to increase the infant's hunger.
💡 Key Takeaway
Infants with cystic fibrosis often require fortified breast milk to meet their high caloric demands.
Show rationale
Infants with CF often struggle with poor weight gain due to malabsorption and increased metabolic demand. The best approach is to increase the caloric density of their intake by fortifying breast milk with high-calorie formula powder, which preserves the immunological benefits of breast milk while providing necessary calories. Switching entirely to standard formula (Option A) removes breast milk benefits and may still lack sufficient calories for a CF patient. Introducing solids at four months (Option C) is developmentally inappropriate and lacks dense calories. Restricting feeds (Option D) will only worsen the poor weight gain.
Question 6
15 of 15. A mother brings her 18-month-old toddler, born at 28 weeks gestation, for a well-child visit. The clinic uses the ASQ-3. How should the nurse prepare the screening tool?
- A) Use the 15-month questionnaire based on corrected age.✓
- B) Use the 18-month questionnaire based on chronologic age.
- C) Administer the Denver II instead due to extreme prematurity.
- D) Delay formal screening until the child reaches 24 months.
💡 Key Takeaway
Prematurity must be corrected for developmental screening until a child reaches 24 months of chronologic age.
Show rationale
When using standardized tools like the ASQ-3 or Denver II, you must calculate the corrected age for any child born before 37 weeks gestation until they reach 24 months of age. Since this child was born at 28 weeks, they are 12 weeks or about 3 months premature. Subtracting 3 months from their 18-month chronologic age gives a corrected age of 15 months, making option A the best choice. Option B is incorrect because using chronologic age would falsely lower the child's scores. Option C is unnecessary as the ASQ-3 is perfectly valid for premature infants when adjusted correctly. Option D is unsafe because early identification of delays is critical, especially for high-risk premature infants.
Question 7
1 of 15. A family caring for a ventilator-dependent 3-year-old is experiencing severe financial hardship and cannot afford out-of-pocket respite care.
- A) Advise them to apply for a Medicaid Home and Community-Based Waiver.✓
- B) Suggest they utilize their standard employer-sponsored commercial health insurance plan benefits.
- C) Recommend they rely exclusively on unpaid community volunteers for nursing care.
- D) Instruct them to transition the child to a long-term care facility.
💡 Key Takeaway
Medicaid waivers provide crucial financial support for respite care when commercial insurance denies coverage for complex needs.
Show rationale
Families of children with complex medical needs often qualify for Medicaid waivers, which fund in-home nursing and respite services regardless of parental income. Option B is incorrect because commercial insurance rarely covers long-term respite care. Option C is unsafe since a ventilator-dependent child requires skilled nursing. Option D is a drastic last resort, not a primary financial intervention.
Question 8
2 of 15. A 4-year-old child is recovering from an appendectomy and is quietly watching a cartoon. The nurse introduces the Wong-Baker FACES scale to assess pain. The child points to the face depicting "hurts a whole lot" (score 8) despite appearing calm. What is the appropriate nursing response?
- A) Administer the prescribed analgesic based on the child's self-reported pain score.✓
- B) Utilize the FLACC behavioral scale to confirm the actual level of pain.
- C) Ask the child to explain why they chose the crying face picture.
- D) Document a score of zero because the child appears comfortable and calm.
💡 Key Takeaway
A child's self-report using an age-appropriate scale is the gold standard and overrides behavioral observations.
Show rationale
When a preschooler uses a validated tool like FACES, their self-report is the gold standard for pain assessment. Even if a child appears calm or distracted by a cartoon, nurses must trust and act upon the reported score. Option A is correct because administering the analgesic directly addresses the child's reported pain. Option B is incorrect because behavioral scales like FLACC should not replace self-report when the child is capable of providing one. Option C is inappropriate because it delays care and questions the validity of the child's report without clinical justification. Option D is incorrect because documenting a zero based purely on observation invalidates the child's self-reported score of 8. Distraction is a common coping mechanism in pediatrics and does not mean the child is pain-free.
Question 9
3 of 15. A 9-year-old male presents for a well-child visit. The nurse needs to assess Tanner staging. The child appears anxious and crosses his arms when the nurse approaches. How should the nurse proceed?
- A) Explain the exam's purpose simply and ask him to untie his gown.✓
- B) Request the parent leave the room and quickly perform the physical assessment.
- C) Defer the genital assessment entirely until the child feels much more comfortable.
- D) Inform the child the provider requires this health check before going home.
💡 Key Takeaway
School-age children require concrete explanations and personal control to manage anxiety regarding bodily exposure.
Show rationale
School-age children require concrete explanations and respect for their developing modesty. Option A addresses both by explaining the clinical reasoning and giving the child control over his own gown, which builds trust. Option B is incorrect because a 9-year-old may still want the parent present, and rushing the exam ignores his visible anxiety. Option C is inappropriate because Tanner staging is a required component of the well-child visit, not something to skip entirely. Option D uses an authoritarian approach that increases anxiety and fails to foster understanding or cooperation.
Question 10
4 of 15. While assessing a 10-year-old with a spontaneous pneumothorax, the nurse practitioner notes intermittent bubbling in the water seal chamber during exhalation. The fluid level shows expected tidaling with respirations. What is the most appropriate action?
- A) Clamp the chest tube close to the insertion site.
- B) Document the findings as an expected clinical resolution.✓
- C) Prepare for immediate chest tube removal by the provider.
- D) Check the entire drainage system for a loose connection.
💡 Key Takeaway
Intermittent bubbling in the water seal during exhalation is expected while a pneumothorax is resolving.
Show rationale
When managing a pneumothorax, intermittent bubbling in the water seal chamber during exhalation or coughing is a normal finding that indicates air is successfully leaving the pleural space. Because this is an expected part of the healing process, you should simply document the findings. Continuous bubbling would indicate an air leak in the system, which would require checking connections. Clamping the chest tube is dangerous and could cause a tension pneumothorax. While the presence of tidaling and intermittent bubbling shows the system is working, it also means the pneumothorax has not completely resolved yet, so preparing for immediate removal is premature.
Question 11
5 of 15. An intubated 2-month-old receiving a continuous midazolam infusion exhibits sudden tachycardia and diaphoresis during routine endotracheal suctioning. Which action is most appropriate?
- A) Increase the continuous midazolam infusion maintenance rate.
- B) Apply soft physical restraints to prevent accidental extubation.
- C) Administer a prescribed rapid-acting intravenous analgesic dose.✓
- D) Administer a rapid fluid bolus for potential hypovolemia.
💡 Key Takeaway
Sedatives do not provide analgesia; sudden tachycardia and diaphoresis during procedures indicate pain requiring targeted analgesic intervention.
Show rationale
Assessing pain in an intubated, sedated infant requires careful observation of physiologic parameters. Endotracheal suctioning is a highly noxious stimulus. When the infant exhibits sudden tachycardia and diaphoresis during this procedure, these are clear physiologic indicators of acute pain. Option C is the correct action because midazolam is an anxiolytic and sedative, but it completely lacks analgesic properties. Therefore, the infant needs a rapid-acting analgesic to treat the pain. Option A is incorrect because simply increasing the midazolam infusion will deepen sedation without addressing the underlying pain, potentially leading to adverse hemodynamic effects. Option B is incorrect because applying restraints addresses movement but ignores the physiologic distress caused by the painful procedure. Option D is incorrect because the sudden vital sign changes correlate directly with the suctioning procedure, making hypovolemia an unlikely primary cause.
Question 12
6 of 15. A 5-year-old requires a central line dressing change, and the nurse wants to use therapeutic play rather than procedural preparation to reduce anxiety. Which activity is most appropriate?
- A) Having the child place a sterile dressing on a favorite doll.
- B) Showing the child the exact supplies used for the dressing change.
- C) Letting the child use medical tape and gauze to create artwork.✓
- D) Explaining each step of the dressing change using simple, concrete terms.
💡 Key Takeaway
Therapeutic play uses medical items for creative expression rather than direct procedural instruction.
Show rationale
Letting the child create artwork with tape and gauze is a form of undirected therapeutic play that helps reduce anxiety by making medical supplies familiar and non-threatening without the pressure of an impending procedure. Option A is a form of medical play used specifically for procedural preparation, as it mimics the exact clinical event the child is about to experience. Option B is also a direct preparatory technique rather than an expressive play activity. Option D is a cognitive preparation strategy that provides necessary information but lacks the active, play-based engagement required to meet the definition of therapeutic play for a preschool-aged child facing a stressful central line dressing change.
Question 13
7 of 15. A 10-year-old child with relapsed acute lymphoblastic leukemia is admitted for palliative care. The parents ask the nurse practitioner if a new clinical trial will cure their child. What is the most appropriate response?
- A) \I see you are hoping for a cure, but we must focus on comfort.\
- B) \Please tell me what the oncology team has shared with you about this trial.\✓
- C) \Clinical trials are experimental and rarely provide a cure for relapsed acute lymphoblastic leukemia.\
- D) \We should schedule a formal family meeting with the oncologist to discuss trial details.\
💡 Key Takeaway
Always assess a family's baseline understanding before delivering complex or difficult prognostic information.
Show rationale
When discussing a poor prognosis or addressing unrealistic expectations in a palliative setting, the first step is to assess the family's current understanding. Using the SPIKES protocol, this aligns with assessing perception. Option B correctly invites the parents to share what they already know, providing a baseline for honest and compassionate communication. Option A dismisses the parents' inquiry prematurely without exploring their understanding, which can damage rapport. Option C delivers blunt medical information without first assessing readiness or prior knowledge, which can be overwhelming and perceived as insensitive. Option D defers the conversation entirely; while a family meeting may be necessary later, the immediate need is to explore the parents' current thoughts and feelings to guide the next steps in the prognostic discussion.
Question 14
8 of 15. A 12-month-old infant presents for a well-child visit. The immunization registry indicates the infant received DTaP at 2 and 4 months of age but missed the 6-month dose. How should the pediatric nurse practitioner proceed with the DTaP series?
- A) Restart the primary series with the first dose.
- B) Administer the third dose and schedule the fourth.✓
- C) Administer the third dose and skip the fourth.
- D) Restart the primary series using the DT formulation.
💡 Key Takeaway
Interrupted vaccine schedules do not require restarting; simply administer the next dose in the series.
Show rationale
Administering the third dose and scheduling the fourth is the correct approach. When a vaccine schedule is interrupted, you do not need to restart the series, making any option that suggests restarting completely incorrect. The infant's immune system retains memory of the first two doses. You simply pick up where the schedule left off by giving the missed third dose today. Skipping the fourth dose is incorrect because a complete primary series requires four doses of DTaP before age two to achieve optimal immunity. Using the DT formulation is incorrect because the child needs pertussis protection, and DT is only indicated if a severe contraindication to the pertussis antigen exists.
Question 15
9 of 15. The parents of a 9-year-old boy with Duchenne muscular dystrophy who experiences frequent falls during ambulation ask about starting a physical therapy routine. Which activity should the nurse practitioner recommend?
- A) Encourage daily high resistance weight training exercises.
- B) Recommend eccentric lower extremity muscle strengthening routines.
- C) Prescribe submaximal aerobic aquatic swimming therapy sessions.✓
- D) Advise strict physical rest to conserve muscle energy.
💡 Key Takeaway
Submaximal aerobic exercise like swimming maintains conditioning in muscular dystrophy without causing contraction-induced muscle damage.
Show rationale
For a child with Duchenne muscular dystrophy who is still ambulatory but experiencing falls, submaximal aerobic exercise such as swimming is highly recommended. Aquatic therapy provides buoyancy, reducing fall risk while maintaining cardiovascular health and muscle tone without overexertion. High-resistance weight training and eccentric muscle strengthening (like downhill walking or heavy weightlifting) are strictly contraindicated because they cause contraction-induced muscle fiber damage that the dystrophin-deficient muscle cannot repair, accelerating disease progression. Conversely, advising strict physical rest is detrimental, as it leads to rapid deconditioning, weight gain, and the early development of joint contractures. The goal is to balance safe, low-impact mobility with energy conservation.