Study guide

16+ PNLE Pediatric Cardiopulmonary Disorders Review Questions Study Guide

10+ questions

Introduction

I used to think pediatric cardiopulmonary was just “asthma stuff.” Then PNLE hit me with a child who was quiet, tachypneic, and not wheezing. That kid was sicker than the loud wheezer, and that’s the whole game here.

On the PNLE, pedia cardio and pedia pulmonary show up as fast clinical sorting: Is this pneumonia, asthma, bronchiolitis, croup, heart failure, or congenital heart disease? They’ll make you choose what sign means “hospitalize now,” what nursing action comes first, and what finding shows the treatment is working.

What trips people up is applying adult logic to kids. Pediatrics is pattern recognition plus danger signs. If you can memorize the age-based respiratory rates, know what severe looks like, and pick the safest first nursing action, you’ll eat these questions.

Let’s make this predictable.

Key concepts

IMCI Respiratory Assessment (Fast Breathing, Chest Indrawing, Danger Signs)
What it is: A structured way to classify cough or difficulty breathing in children using respiratory rate cutoffs, chest indrawing, and general danger signs.
Why PNLE cares: They love “classify and manage” items, especially which kids need referral/hospitalization now.
Common trap: You focus on fever and cough duration, then miss a danger sign like inability to drink or stridor at rest.

Severe Pneumonia and Very Severe Disease Red Flags
What it is: Signs of serious lower respiratory infection like central cyanosis, severe respiratory distress, grunting, apnea, or inability to feed.
Why PNLE cares: Questions ask which finding means “admit, oxygen, IV antibiotics,” not home care.
Common trap: You pick “high fever” as severe, when PNLE is looking for work of breathing and oxygenation problems.

Asthma Control vs Exacerbation (What Improvement Looks Like)
What it is: Asthma is reversible airway inflammation and bronchospasm; improvement is shown by decreased wheeze, decreased accessory muscle use, improved SpO2, and ability to speak/feed.
Why PNLE cares: They ask how to evaluate treatment effectiveness after short-acting beta agonist and what finding signals worsening.
Common trap: You think “less coughing” is the best indicator, but PNLE prioritizes breathing effort and oxygenation.

Bronchiolitis vs Asthma (Especially in Infants)
What it is: Bronchiolitis (often RSV) causes wheeze and crackles in infants, with feeding difficulty and dehydration risk; management is mainly supportive.
Why PNLE cares: They test differentiation and nursing priorities like suctioning, hydration, and oxygen.
Common trap: You want to “fix” it with bronchodilators or antibiotics automatically, but PNLE often wants supportive care and monitoring.

Croup and Upper Airway Obstruction
What it is: Viral laryngotracheobronchitis causing barky cough, hoarseness, and stridor; severity is based on stridor at rest and respiratory distress.
Why PNLE cares: They ask what to do first and which sign means the airway is at risk.
Common trap: You agitate the child with unnecessary throat exams, which can worsen obstruction.

Pediatric Heart Failure Signs (It Looks Like Feeding Problems)
What it is: In infants, heart failure shows as poor feeding, sweating with feeds, tachypnea, failure to thrive, hepatomegaly, and recurrent respiratory infections.
Why PNLE cares: They present “frequent pneumonia” or “tires during feeding” and ask what condition is likely or what to assess next.
Common trap: You label it as GI or “picky eater,” ignoring the cardiopulmonary pattern.

Common Congenital Heart Disease Patterns (Cyanotic vs Acyanotic)
What it is: Acyanotic (left-to-right shunts like VSD, PDA) cause pulmonary congestion and heart failure; cyanotic (like Tetralogy of Fallot) causes hypoxemia and “tet spells.”
Why PNLE cares: They ask which defect causes cyanosis, what position helps a tet spell, and what findings fit PDA/VSD.
Common trap: You memorize defect names but can’t match them to the clinical picture.

Age-Based Normal Respiratory Rates (So You Can Spot Tachypnea)
What it is: Knowing normal vs fast breathing by age, especially IMCI cutoffs (commonly: <2 months ≥60, 2–12 months ≥50, 1–5 years ≥40 breaths/min).
Why PNLE cares: Many “classify pneumonia” items depend on whether the respiratory rate is fast for age.
Common trap: You use adult cutoffs or forget the age bracket, and your classification becomes wrong.

What to expect on the PNLE

Expect around 3 to 7 questions across NP2 that feel directly pediatric cardiopulmonary, often mixed into IMCI, pneumonia, asthma, and “danger sign” items. The dominant style is clinical scenario application, with a sprinkle of straight recall like respiratory rate cutoffs.

Scenarios that repeat: (1) Child with cough and fast breathing, classify severity and choose management. (2) Asthma child after treatment, what finding shows improvement or worsening. (3) Infant with wheeze and poor feeding, differentiate bronchiolitis vs pneumonia vs heart failure.
Question pattern that traps students: They give you one obvious symptom (cough, fever, wheeze), then hide the real answer in a single phrase like “unable to drink”, “stridor at rest”, “chest indrawing”, or “lethargic”. If you miss that, you miss the item.
What trap answers look like: Technically correct interventions that are not the priority, like “health teaching,” “obtain sputum sample,” or “give oral antibiotics,” when the child actually needs oxygen, airway support, referral, or immediate assessment.

If you can spot danger signs fast and pick the first nursing move, you’re already playing the PNLE’s game.

Study tips

Make the “Noisy vs Quiet” rule your reflex: Loud wheeze or barky cough feels scary, but a quiet chest, grunting, or decreasing breath sounds is worse. Write this on a sticky note, because PNLE loves the child who is tiring out.
Build a 1-page comparison table tonight: Put Asthma, Bronchiolitis, Pneumonia, Croup across the top. Down the side list age group, hallmark sound (wheeze, crackles, stridor), fever pattern, key danger sign, and first nursing priority.
Memorize IMCI fast breathing cutoffs like a phone number: <2 months 60, 2–12 months 50, 1–5 years 40. If you can instantly classify tachypnea, you’ll answer a chunk of NP2 pedia questions faster and with less panic.
Practice “first action” thinking with ABC, then feeding/hydration: In kids, respiratory distress often shows up as poor feeding and dehydration. When you answer, ask yourself, “Do I need to secure airway, give oxygen, suction, or position first?”
Use teach-back for asthma and preop teaching: Grab a friend or pretend you’re talking to a parent. Explain spacer use, trigger avoidance, and when to seek care, then explain preop basics like NPO and what to expect post-anesthesia.
Do targeted drills on tangerine.: With only 16 available questions, you can repeat them until the patterns stick. After each set, write the danger signs you missed and drill those specifically.

Common mistakes to avoid

Falling for the “fever = severe” trap: You read pneumonia options and see a kid with 39.5 C fever, so you pick “severe pneumonia.” Your gut says high fever means danger. But the PNLE wants severe signs like chest indrawing, central cyanosis, grunting, or inability to drink, because those predict respiratory failure.
Missing that “not wheezing” can be worse in asthma: You see an asthmatic child who suddenly has less wheeze, so you think they’re improving. It feels logical. But PNLE often means the chest is getting quiet because airflow is collapsing, so the correct answer is escalation, oxygen, and urgent management.
Treating bronchiolitis like bacterial pneumonia: You see an infant with wheeze and cough, and you go straight to antibiotics because “infection.” PNLE usually wants supportive care, nasal suction, hydration, and oxygen as needed, unless there’s clear bacterial signs. This one catches a lot of people because it feels like you’re being proactive.
Agitating a child with suspected croup: You choose “inspect the throat with a tongue depressor” because you want data. But PNLE wants you to keep the child calm, provide humidified oxygen, and prepare meds like dexamethasone or nebulized epinephrine if ordered. Making them cry can worsen obstruction, and exam writers love that detail.
Calling infant heart failure ‘GI’: You see sweating while feeding and poor weight gain, and you answer GERD. It’s a common student reflex. PNLE wants you to see cardiopulmonary overload, assess for tachypnea, hepatomegaly, and consider congenital heart disease or heart failure.

Practice questions

Q: A 10-month-old has cough for 2 days and difficulty breathing. RR is 56/min, with nasal flaring and poor feeding but no chest indrawing. Based on IMCI fast breathing cutoffs, how should the child be classified?

A. No pneumonia, home care / B. Pneumonia (fast breathing) / C. Severe pneumonia or very severe disease / D. Asthma exacerbation

Answer: B. For age 2 to 12 months, fast breathing is commonly ≥50/min, so RR 56 meets pneumonia classification. The tempting wrong choice is C, but severe classification needs danger signs like inability to drink, central cyanosis, or chest indrawing (depending on guideline framing). View more questions

Q: A 3-year-old with cough is irritable and has RR 44/min, chest indrawing, and SpO2 89% on room air. What is the priority nursing action?

A. Encourage oral fluids and rest at home / B. Start oxygen therapy and prepare for referral/admission / C. Teach pursed-lip breathing / D. Administer cough suppressant as ordered

Answer: B. Chest indrawing plus hypoxemia indicates severe respiratory compromise, the priority is oxygen and urgent management. A is tempting because hydration matters, but this child is not a home-care situation. View more questions

Q: A school-age child with asthma receives nebulized salbutamol. Which finding best indicates the treatment is effective?

A. Heart rate increases from 92 to 118/min / B. Wheezes are louder than before / C. Accessory muscle use decreases and SpO2 rises to 96% / D. Child reports thirst is improved

Answer: C. Effectiveness is shown by improved oxygenation and less work of breathing, like reduced retractions and better SpO2. A is a common side effect of beta-agonists, not a goal, and B can mean better airflow or worsening, so it is not the best indicator by itself. View more questions

Q: A 6-year-old with known asthma is suddenly very quiet, can only speak one-word answers, and has minimal wheezing on auscultation. What does this most likely indicate?

A. Asthma is improving / B. Mild asthma exacerbation / C. Impending respiratory failure (“silent chest”) / D. Anxiety attack

Answer: C. Minimal wheeze with severe distress can indicate poor air movement, a silent chest, and impending failure. A is the tempting trap because students equate less wheeze with improvement, but the clinical context (can’t speak, quiet) screams escalation. View more questions

Q: A 7-month-old has rhinorrhea, cough, wheezing, and crackles. The baby is feeding poorly and has fewer wet diapers. Which nursing intervention is most appropriate first?

A. Administer oral antibiotics immediately / B. Provide nasal suctioning and assess hydration status / C. Encourage deep breathing and coughing exercises / D. Restrict fluids to prevent aspiration

Answer: B. This fits bronchiolitis, where supportive care is key, and nasal suction can dramatically improve feeding and breathing. A is tempting because infection is present, but bronchiolitis is usually viral, antibiotics are not first-line without bacterial evidence. View more questions

Q: A 2-year-old has a barking cough and inspiratory stridor. The child becomes more distressed when examined. What should the nurse do first?

A. Obtain a throat culture using a tongue depressor / B. Keep the child calm and provide humidified oxygen as ordered / C. Place the child supine for better assessment / D. Encourage vigorous coughing to clear secretions

Answer: B. In suspected croup, minimizing agitation is part of airway management, and humidified oxygen can help while preparing for medications. A is tempting for diagnosis, but throat stimulation can worsen obstruction and distress. View more questions

Q: A 2-month-old sweats during feeding, tires easily, and has poor weight gain. The mother says the baby breathes fast even at rest. Which condition do these findings most suggest?

A. Gastroesophageal reflux / B. Infant heart failure related to congenital heart disease / C. Simple upper respiratory infection / D. Iron-deficiency anemia

Answer: B. Diaphoresis with feeds, tachypnea, and failure to thrive are classic infant heart failure clues, often from acyanotic defects like VSD or PDA. A is tempting because feeding problems can be GI, but the cardiopulmonary signs (sweating, tachypnea) point to cardiac workload. View more questions

References and further reading

Pocket book of hospital care for children: guidelines for the management of common childhood illnesses | Second edition (2013) guideline
Authoritative WHO reference for inpatient assessment and management of severe pediatric respiratory illnesses (including pneumonia) used widely in low- and middle-income settings relevant to PNLE-style care scenarios.
Revised WHO Classification and Treatment of Pneumonia in Children at Health Facilities: Evidence Summaries (2014) — Executive Summary guideline
Summarizes WHO’s updated pneumonia severity classification and first-line management (e.g., outpatient vs referral; oral amoxicillin vs parenteral antibiotics), directly matching exam questions on severe pneumonia indicators and management.
Table 8.3, WHO IMCI Respiratory Illness Clinical Guidelines (IMCI classification and treatment for ages 2–59 months) guideline
Quick, high-yield IMCI table for classifying pediatric respiratory illness severity and choosing appropriate treatment/referral—ideal for PNLE review of danger signs, severe pneumonia, and antibiotic choices.
Oxygen therapy for children: A manual for health workers (2016) guideline
WHO manual focused on recognizing hypoxemia, use of pulse oximetry, and practical oxygen delivery/monitoring—core pediatric respiratory care competencies in pneumonia and acute respiratory distress.
Pocket Guide for Asthma Management and Prevention (GINA) — (current edition download page) guideline
Global, frequently updated asthma guidance useful for evaluating treatment effectiveness (symptom control, risk of exacerbations) and stepwise management across ages, aligning with pediatric asthma evaluation questions.
2020 Focused Updates to the Asthma Management Guidelines: Clinician's Guide (NHLBI/NIH) government
Evidence-based U.S. guideline summary with practical recommendations and stepwise approaches for children that support exam prep on assessing asthma control and adjusting therapy.
Clinical practice guideline: the diagnosis, management, and prevention of bronchiolitis (Pediatrics, 2014) — PubMed record journal
Seminal pediatric guideline on bronchiolitis emphasizing severity assessment and supportive care (and what not to use routinely), highly relevant to pediatric respiratory care decision-making.
2021 clinical practice guidelines in the evaluation and management of pediatric community-acquired pneumonia (Pediatric Infectious Disease Society of the Philippines Journal, 2023) — WPRIM record guideline
Philippines-relevant pediatric CAP guidance (local societies and context) that can help PNLE learners align management choices with national/regionally used recommendations.