Focused Exam: Pediatric Cough - Daniel 'Danny' Rivera
NR 509 Week 7 Shadow Health Focused Exam Case (Pediatric Transcript)
Advanced Physical Assessment - Chamberlain University MSN
Total Questions 115
Cognitive Levels 30% Recall / 50% Application / 20% Analysis
Question Style 80% Scenario-based / 20% Direct Recall
Sections 8
Format Multiple Choice (4 options, single best answer)
Patient Case Daniel "Danny" Rivera - 8-year-old boy with cough
Aligned Standards AAP Bright Futures, NAEPP/GINA Asthma, CDC Immunization Schedule
Curriculum Chamberlain University MSN - NR 509
Exam Instructions: This comprehensive examination assesses advanced physical assessment clinical reasoning for the
pediatric cough evaluation, using the Shadow Health focused exam case of Daniel 'Danny' Rivera, an 8-year-old boy.
Select the single best answer for each question. Rationales are provided for self-study and remediation. Content aligns
with current AAP Bright Futures guidelines, NAEPP/GINA asthma guidelines, CDC immunization schedule, and
2026-2027 Chamberlain University MSN curriculum standards for NR 509 Advanced Physical Assessment.
Section 1: Pediatric Cough Pathophysiology and Differential Diagnosis
Infectious, Allergic, Environmental, and Congenital Etiologies (Q1-Q18)
Q1: Danny Rivera, an 8-year-old boy, presents with a 5-day cough. Which best describes the typical
pathophysiologic mechanism of the MOST COMMON cause of acute cough in school-age children?
A. Bacterial lower airway invasion producing alveolar consolidation and productive cough
B. Viral epithelial injury and inflammation of the upper airway with increased mucus production and
post-nasal drip■■ting cough receptors [CORRECT]
C. IgE-mediated mast cell degranulation causing bronchoconstriction and chronic airway inflammation
D. Gastroesophageal reflux with micro-aspiration causing chronic airway inflammation
Correct Answer: B
Rationale: Viral upper respiratory infection (URI) is the most common cause of acute cough in school-age children. The
pathophysiology involves viral invasion of respiratory epithelium, inflammation, increased mucus production, and postnasal
drip stimulating cough receptors in the upper airway and larynx. Bacterial lower airway invasion (A) describes pneumonia.
IgE-mediated bronchoconstriction (C) describes asthma. GERD with micro-aspiration (D) is a chronic cough etiology, not
the most common acute cause. Viral URIs account for the majority of acute pediatric cough presentations.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 1
, Q2: Which type of cough—described by Danny's mother as 'barking' and accompanied by inspiratory stridor—most
strongly suggests a diagnosis of croup (laryngotracheobronchitis)?
A. Wet productive cough with fever and crackles on auscultation
B. Barking cough with inspiratory stridor, worse at night, following a prodromal URI [CORRECT]
C. Paroxysmal cough with post-tussive emesis and inspiratory whoop
D. Chronic dry cough worsening with exercise and nighttime awakening
Correct Answer: B
Rationale: Croup (laryngotracheobronchitis), typically caused by parainfluenza virus, presents with a characteristic barking
cough, inspiratory stridor (due to subglottic airway narrowing), hoarseness, and respiratory distress that is typically worse at
night, following a 1-2 day prodromal URI. Wet productive cough with crackles (A) suggests pneumonia. Paroxysmal cough
with post-tussive emesis and whoop (C) suggests pertussis. Chronic dry cough with exercise/nighttime symptoms (D)
suggests asthma or cough-variant asthma. The barking quality reflects subglottic airway narrowing.
Q3: Which pathophysiologic process primarily drives the chronic airway inflammation, bronchoconstriction, and
cough in pediatric asthma?
A. Neutrophilic airway inflammation and goblet cell hyperplasia triggered by viral infection only
B. IgE-mediated eosinophilic airway inflammation, mast cell activation, and bronchial hyperresponsiveness
with reversible airflow obstruction [CORRECT]
C. Bacterial biofilm formation in the bronchial tree producing chronic productive cough
D. Mechanical airway irritation from dry air causing transient bronchospasm
Correct Answer: B
Rationale: Asthma is characterized by IgE-mediated eosinophilic airway inflammation, mast cell activation, cytokine
production (IL-4, IL-5, IL-13), bronchial hyperresponsiveness, mucus hypersecretion, and reversible airflow obstruction.
Triggers include allergens, viral infections, exercise, cold air, and irritants. While neutrophilic inflammation (A) occurs in
some asthma phenotypes, eosinophilic inflammation predominates. Bacterial biofilms (C) are seen in cystic fibrosis and
chronic suppurative disease. Mechanical irritation alone (D) is insufficient to explain chronic inflammation.
Q4: Danny has a 3-day history of rhinorrhea, low-grade fever, and now a worsening cough. Which feature, if present,
would MOST strongly suggest the diagnosis of pneumonia rather than uncomplicated viral URI?
A. Clear nasal discharge and mild sore throat
B. Focal crackles, increased work of breathing, and sustained fever > 39°C (102°F) for 3+ days [CORRECT]
C. Bilateral conjunctivitis and cervical lymphadenopathy
D. Dry cough improving with antitussives
Correct Answer: B
Rationale: Pneumonia in children presents with fever (often > 39°C/102°F), tachypnea, increased work of breathing, focal
crackles or decreased breath sounds, and possibly chest retractions. Sustained high fever and focal crackles with increased
work of breathing strongly suggest bacterial pneumonia (e.g., Streptococcus pneumoniae) requiring antibiotic therapy. URI
with clear rhinorrhea and sore throat (A) is viral. Bilateral conjunctivitis (C) suggests adenovirus or other viral URI. A
cough improving with antitussives (D) does not suggest pneumonia.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 2
, Q5: Which statement best describes the pathophysiologic basis of bronchiolitis in infants and toddlers, and why this
is less likely in an 8-year-old like Danny?
A. Bronchiolitis is caused by Mycoplasma pneumoniae producing diffuse interstitial infiltrates
B. Bronchiolitis involves viral inflammation and necrosis of bronchiolar epithelium with mucus plugging,
primarily affecting infants < 2 years due to small airway caliber [CORRECT]
C. Bronchiolitis is an allergic response to environmental allergens in school-age children
D. Bronchiolitis is caused by aspiration of gastric contents in neurologically impaired children
Correct Answer: B
Rationale: Bronchiolitis is most commonly caused by RSV and involves viral inflammation, necrosis of bronchiolar
epithelium, mucus plugging, and small airway obstruction, primarily affecting infants < 2 years. The smaller airway caliber
in infants produces proportionally greater obstruction. By age 8, airway size has grown substantially, making isolated
bronchiolitis less common. Mycoplasma (A) causes atypical pneumonia in older children. Allergic response (C) describes
asthma. Aspiration (D) describes a different condition. RSV in older children typically causes URI, not bronchiolitis.
Q6: A 4-year-old with a 2-week history of paroxysmal coughing followed by post-tussive emesis and an inspiratory
'whoop' most likely has which diagnosis, and what is the causative organism?
A. Viral croup caused by parainfluenza virus
B. Pertussis (whooping cough) caused by Bordetella pertussis [CORRECT]
C. Asthma exacerbation triggered by viral URI
D. Foreign body aspiration
Correct Answer: B
Rationale: Pertussis (whooping cough), caused by Bordetella pertussis, presents in classic stages: catarrhal (1-2 weeks, URI
symptoms), paroxysmal (2-6 weeks, paroxysmal cough with post-tussive emesis and inspiratory whoop), and convalescent.
The whoop results from forced inspiration against a partially closed glottis. Post-tussive emesis is highly characteristic.
Despite vaccination, pertussis occurs in adolescents and adults due to waning immunity, emphasizing the importance of
Tdap boosters. Croup (A) is acute and barking. Asthma (C) is not associated with whoop. Foreign body (D) is sudden-onset,
often afebrile.
Q7: Which feature most strongly differentiates allergic rhinitis–associated chronic cough from infectious etiologies
in a pediatric patient like Danny?
A. Acute onset with fever and purulent nasal discharge
B. Chronic cough with seasonal pattern, allergic salute, dark circles under eyes (allergic shiners), and clear
rhinorrhea [CORRECT]
C. Cough with biphasic stridor and drooling
D. Cough with paroxysms of post-tussive emesis
Correct Answer: B
Rationale: Allergic rhinitis presents with chronic cough (often worse at night due to postnasal drip), seasonal pattern,
allergic salute (transverse crease on nose), allergic shiners (dark circles under eyes), clear rhinorrhea, sneezing, and pruritic
eyes/nose. Family history of atopy is common. Acute fever with purulent discharge (A) suggests infectious sinusitis.
Biphasic stridor with drooling (C) suggests epiglottitis - a medical emergency. Post-tussive emesis (D) suggests pertussis.
Allergic shiners and the allergic salute are pathognomonic clinical findings.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 3
, Q8: Which pathophysiologic mechanism explains chronic cough related to gastroesophageal reflux disease (GERD)
in children?
A. Direct bacterial infection of lower airways from refluxed stomach contents
B. Vagal-mediated reflex bronchoconstriction and micro-aspiration of gastric contents triggering cough
receptors and chronic airway inflammation [CORRECT]
C. Mechanical compression of the trachea by a dilated esophagus
D. Allergic response to food proteins in the gastric contents
Correct Answer: B
Rationale: GERD-associated cough results from two mechanisms: (1) micro-aspiration of gastric contents stimulating cough
receptors in the lower airway and (2) vagally-mediated reflex bronchoconstriction triggered by acid in the distal esophagus.
Chronic cough (especially nocturnal, without daytime symptoms), wheezing, hoarseness, and recurrent pneumonia may
occur. Bacterial infection (A) is not the mechanism. Mechanical compression (C) occurs in vascular rings or
tracheoesophageal fistula, not GERD. Allergic response (D) is not the mechanism of GERD cough. Empiric PPI trial may
aid diagnosis.
Q9: An 8-year-old presents with chronic (>4 weeks) cough, recurrent sinusitis, and failure to thrive. On exam,
clubbing is noted. Which congenital condition should be highest on the differential?
A. Mild intermittent asthma
B. Cystic fibrosis (CF) - autosomal recessive disorder of CFTR gene causing thick mucus, recurrent infections,
and chronic cough [CORRECT]
C. Habit cough (psychogenic cough)
D. Vocal cord dysfunction
Correct Answer: B
Rationale: Cystic fibrosis (CF), caused by CFTR gene mutations, impairs chloride transport producing thick, viscous
secretions in the lungs, pancreas, and other organs. Pulmonary manifestations include chronic productive cough, recurrent
sinopulmonary infections, bronchiectasis, and failure to thrive. Digital clubbing indicates chronic suppurative lung disease.
Diagnosis: sweat chloride testing or genetic testing. Mild intermittent asthma (A) does not cause clubbing or FTT. Habit
cough (C) is dry, absent during sleep, and lacks systemic signs. Vocal cord dysfunction (D) presents with stridor, not
chronic productive cough.
Q10: Danny's mother reports he was born at 32 weeks gestation. Which chronic respiratory condition is associated
with prematurity and may present with persistent cough or wheeze in school-age children?
A. Cystic fibrosis
B. Bronchopulmonary dysplasia (BPD) - chronic lung disease of prematurity resulting from ventilator-induced
lung injury and inflammation [CORRECT]
C. Primary ciliary dyskinesia
D. Congenital lobar emphysema
Correct Answer: B
Rationale: Bronchopulmonary dysplasia (BPD), the most common chronic lung disease of infancy, results from lung injury
in premature infants due to mechanical ventilation, oxygen toxicity, inflammation, and immature lung development.
Children with BPD may have persistent cough, wheeze, recurrent respiratory infections, and reduced pulmonary function
into adolescence and adulthood. Prematurity history is essential to elicit in pediatric respiratory evaluations. CF (A),
primary ciliary dyskinesia (C), and congenital lobar emphysema (D) are not specifically linked to prematurity. Prematurity
should always be explored in pediatric respiratory assessment.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 4
NR 509 Week 7 Shadow Health Focused Exam Case (Pediatric Transcript)
Advanced Physical Assessment - Chamberlain University MSN
Total Questions 115
Cognitive Levels 30% Recall / 50% Application / 20% Analysis
Question Style 80% Scenario-based / 20% Direct Recall
Sections 8
Format Multiple Choice (4 options, single best answer)
Patient Case Daniel "Danny" Rivera - 8-year-old boy with cough
Aligned Standards AAP Bright Futures, NAEPP/GINA Asthma, CDC Immunization Schedule
Curriculum Chamberlain University MSN - NR 509
Exam Instructions: This comprehensive examination assesses advanced physical assessment clinical reasoning for the
pediatric cough evaluation, using the Shadow Health focused exam case of Daniel 'Danny' Rivera, an 8-year-old boy.
Select the single best answer for each question. Rationales are provided for self-study and remediation. Content aligns
with current AAP Bright Futures guidelines, NAEPP/GINA asthma guidelines, CDC immunization schedule, and
2026-2027 Chamberlain University MSN curriculum standards for NR 509 Advanced Physical Assessment.
Section 1: Pediatric Cough Pathophysiology and Differential Diagnosis
Infectious, Allergic, Environmental, and Congenital Etiologies (Q1-Q18)
Q1: Danny Rivera, an 8-year-old boy, presents with a 5-day cough. Which best describes the typical
pathophysiologic mechanism of the MOST COMMON cause of acute cough in school-age children?
A. Bacterial lower airway invasion producing alveolar consolidation and productive cough
B. Viral epithelial injury and inflammation of the upper airway with increased mucus production and
post-nasal drip■■ting cough receptors [CORRECT]
C. IgE-mediated mast cell degranulation causing bronchoconstriction and chronic airway inflammation
D. Gastroesophageal reflux with micro-aspiration causing chronic airway inflammation
Correct Answer: B
Rationale: Viral upper respiratory infection (URI) is the most common cause of acute cough in school-age children. The
pathophysiology involves viral invasion of respiratory epithelium, inflammation, increased mucus production, and postnasal
drip stimulating cough receptors in the upper airway and larynx. Bacterial lower airway invasion (A) describes pneumonia.
IgE-mediated bronchoconstriction (C) describes asthma. GERD with micro-aspiration (D) is a chronic cough etiology, not
the most common acute cause. Viral URIs account for the majority of acute pediatric cough presentations.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 1
, Q2: Which type of cough—described by Danny's mother as 'barking' and accompanied by inspiratory stridor—most
strongly suggests a diagnosis of croup (laryngotracheobronchitis)?
A. Wet productive cough with fever and crackles on auscultation
B. Barking cough with inspiratory stridor, worse at night, following a prodromal URI [CORRECT]
C. Paroxysmal cough with post-tussive emesis and inspiratory whoop
D. Chronic dry cough worsening with exercise and nighttime awakening
Correct Answer: B
Rationale: Croup (laryngotracheobronchitis), typically caused by parainfluenza virus, presents with a characteristic barking
cough, inspiratory stridor (due to subglottic airway narrowing), hoarseness, and respiratory distress that is typically worse at
night, following a 1-2 day prodromal URI. Wet productive cough with crackles (A) suggests pneumonia. Paroxysmal cough
with post-tussive emesis and whoop (C) suggests pertussis. Chronic dry cough with exercise/nighttime symptoms (D)
suggests asthma or cough-variant asthma. The barking quality reflects subglottic airway narrowing.
Q3: Which pathophysiologic process primarily drives the chronic airway inflammation, bronchoconstriction, and
cough in pediatric asthma?
A. Neutrophilic airway inflammation and goblet cell hyperplasia triggered by viral infection only
B. IgE-mediated eosinophilic airway inflammation, mast cell activation, and bronchial hyperresponsiveness
with reversible airflow obstruction [CORRECT]
C. Bacterial biofilm formation in the bronchial tree producing chronic productive cough
D. Mechanical airway irritation from dry air causing transient bronchospasm
Correct Answer: B
Rationale: Asthma is characterized by IgE-mediated eosinophilic airway inflammation, mast cell activation, cytokine
production (IL-4, IL-5, IL-13), bronchial hyperresponsiveness, mucus hypersecretion, and reversible airflow obstruction.
Triggers include allergens, viral infections, exercise, cold air, and irritants. While neutrophilic inflammation (A) occurs in
some asthma phenotypes, eosinophilic inflammation predominates. Bacterial biofilms (C) are seen in cystic fibrosis and
chronic suppurative disease. Mechanical irritation alone (D) is insufficient to explain chronic inflammation.
Q4: Danny has a 3-day history of rhinorrhea, low-grade fever, and now a worsening cough. Which feature, if present,
would MOST strongly suggest the diagnosis of pneumonia rather than uncomplicated viral URI?
A. Clear nasal discharge and mild sore throat
B. Focal crackles, increased work of breathing, and sustained fever > 39°C (102°F) for 3+ days [CORRECT]
C. Bilateral conjunctivitis and cervical lymphadenopathy
D. Dry cough improving with antitussives
Correct Answer: B
Rationale: Pneumonia in children presents with fever (often > 39°C/102°F), tachypnea, increased work of breathing, focal
crackles or decreased breath sounds, and possibly chest retractions. Sustained high fever and focal crackles with increased
work of breathing strongly suggest bacterial pneumonia (e.g., Streptococcus pneumoniae) requiring antibiotic therapy. URI
with clear rhinorrhea and sore throat (A) is viral. Bilateral conjunctivitis (C) suggests adenovirus or other viral URI. A
cough improving with antitussives (D) does not suggest pneumonia.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 2
, Q5: Which statement best describes the pathophysiologic basis of bronchiolitis in infants and toddlers, and why this
is less likely in an 8-year-old like Danny?
A. Bronchiolitis is caused by Mycoplasma pneumoniae producing diffuse interstitial infiltrates
B. Bronchiolitis involves viral inflammation and necrosis of bronchiolar epithelium with mucus plugging,
primarily affecting infants < 2 years due to small airway caliber [CORRECT]
C. Bronchiolitis is an allergic response to environmental allergens in school-age children
D. Bronchiolitis is caused by aspiration of gastric contents in neurologically impaired children
Correct Answer: B
Rationale: Bronchiolitis is most commonly caused by RSV and involves viral inflammation, necrosis of bronchiolar
epithelium, mucus plugging, and small airway obstruction, primarily affecting infants < 2 years. The smaller airway caliber
in infants produces proportionally greater obstruction. By age 8, airway size has grown substantially, making isolated
bronchiolitis less common. Mycoplasma (A) causes atypical pneumonia in older children. Allergic response (C) describes
asthma. Aspiration (D) describes a different condition. RSV in older children typically causes URI, not bronchiolitis.
Q6: A 4-year-old with a 2-week history of paroxysmal coughing followed by post-tussive emesis and an inspiratory
'whoop' most likely has which diagnosis, and what is the causative organism?
A. Viral croup caused by parainfluenza virus
B. Pertussis (whooping cough) caused by Bordetella pertussis [CORRECT]
C. Asthma exacerbation triggered by viral URI
D. Foreign body aspiration
Correct Answer: B
Rationale: Pertussis (whooping cough), caused by Bordetella pertussis, presents in classic stages: catarrhal (1-2 weeks, URI
symptoms), paroxysmal (2-6 weeks, paroxysmal cough with post-tussive emesis and inspiratory whoop), and convalescent.
The whoop results from forced inspiration against a partially closed glottis. Post-tussive emesis is highly characteristic.
Despite vaccination, pertussis occurs in adolescents and adults due to waning immunity, emphasizing the importance of
Tdap boosters. Croup (A) is acute and barking. Asthma (C) is not associated with whoop. Foreign body (D) is sudden-onset,
often afebrile.
Q7: Which feature most strongly differentiates allergic rhinitis–associated chronic cough from infectious etiologies
in a pediatric patient like Danny?
A. Acute onset with fever and purulent nasal discharge
B. Chronic cough with seasonal pattern, allergic salute, dark circles under eyes (allergic shiners), and clear
rhinorrhea [CORRECT]
C. Cough with biphasic stridor and drooling
D. Cough with paroxysms of post-tussive emesis
Correct Answer: B
Rationale: Allergic rhinitis presents with chronic cough (often worse at night due to postnasal drip), seasonal pattern,
allergic salute (transverse crease on nose), allergic shiners (dark circles under eyes), clear rhinorrhea, sneezing, and pruritic
eyes/nose. Family history of atopy is common. Acute fever with purulent discharge (A) suggests infectious sinusitis.
Biphasic stridor with drooling (C) suggests epiglottitis - a medical emergency. Post-tussive emesis (D) suggests pertussis.
Allergic shiners and the allergic salute are pathognomonic clinical findings.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 3
, Q8: Which pathophysiologic mechanism explains chronic cough related to gastroesophageal reflux disease (GERD)
in children?
A. Direct bacterial infection of lower airways from refluxed stomach contents
B. Vagal-mediated reflex bronchoconstriction and micro-aspiration of gastric contents triggering cough
receptors and chronic airway inflammation [CORRECT]
C. Mechanical compression of the trachea by a dilated esophagus
D. Allergic response to food proteins in the gastric contents
Correct Answer: B
Rationale: GERD-associated cough results from two mechanisms: (1) micro-aspiration of gastric contents stimulating cough
receptors in the lower airway and (2) vagally-mediated reflex bronchoconstriction triggered by acid in the distal esophagus.
Chronic cough (especially nocturnal, without daytime symptoms), wheezing, hoarseness, and recurrent pneumonia may
occur. Bacterial infection (A) is not the mechanism. Mechanical compression (C) occurs in vascular rings or
tracheoesophageal fistula, not GERD. Allergic response (D) is not the mechanism of GERD cough. Empiric PPI trial may
aid diagnosis.
Q9: An 8-year-old presents with chronic (>4 weeks) cough, recurrent sinusitis, and failure to thrive. On exam,
clubbing is noted. Which congenital condition should be highest on the differential?
A. Mild intermittent asthma
B. Cystic fibrosis (CF) - autosomal recessive disorder of CFTR gene causing thick mucus, recurrent infections,
and chronic cough [CORRECT]
C. Habit cough (psychogenic cough)
D. Vocal cord dysfunction
Correct Answer: B
Rationale: Cystic fibrosis (CF), caused by CFTR gene mutations, impairs chloride transport producing thick, viscous
secretions in the lungs, pancreas, and other organs. Pulmonary manifestations include chronic productive cough, recurrent
sinopulmonary infections, bronchiectasis, and failure to thrive. Digital clubbing indicates chronic suppurative lung disease.
Diagnosis: sweat chloride testing or genetic testing. Mild intermittent asthma (A) does not cause clubbing or FTT. Habit
cough (C) is dry, absent during sleep, and lacks systemic signs. Vocal cord dysfunction (D) presents with stridor, not
chronic productive cough.
Q10: Danny's mother reports he was born at 32 weeks gestation. Which chronic respiratory condition is associated
with prematurity and may present with persistent cough or wheeze in school-age children?
A. Cystic fibrosis
B. Bronchopulmonary dysplasia (BPD) - chronic lung disease of prematurity resulting from ventilator-induced
lung injury and inflammation [CORRECT]
C. Primary ciliary dyskinesia
D. Congenital lobar emphysema
Correct Answer: B
Rationale: Bronchopulmonary dysplasia (BPD), the most common chronic lung disease of infancy, results from lung injury
in premature infants due to mechanical ventilation, oxygen toxicity, inflammation, and immature lung development.
Children with BPD may have persistent cough, wheeze, recurrent respiratory infections, and reduced pulmonary function
into adolescence and adulthood. Prematurity history is essential to elicit in pediatric respiratory evaluations. CF (A),
primary ciliary dyskinesia (C), and congenital lobar emphysema (D) are not specifically linked to prematurity. Prematurity
should always be explored in pediatric respiratory assessment.
NR 509 Week 7 - Focused Exam: Pediatric Cough - Danny Rivera Page 4
