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NUR 3490 Respiratory Dysfunction Exam 1 Study Guide | A+ Verified Exam Questions and Answers | Complete Pediatric Respiratory Disorders Review | Upper and Lower Respiratory Tract | RSV Pathophysiology | Croup Syndromes | Pediatric Infections | Nursing Car

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NUR 3490 Respiratory Dysfunction Exam 1 Study Guide | A+ Verified Exam Questions and Answers | Complete Pediatric Respiratory Disorders Review | Upper and Lower Respiratory Tract | RSV Pathophysiology | Croup Syndromes | Pediatric Infections | Nursing Care Management | Clinical Manifestations | Therapeutic Management | Infection Progression | Seasonal Variations | Airway Anatomy | Maternal Antibodies | Exam Prep Latest Updated 2026 Upper Respiratory Tract nose, pharynx, larynx Lower respiratory Tract trachea, bronchi, bronchioles, alveoli What are croup syndromes? Infections of the epiglottis and larynx Common viral infections for pediatrics Respiratory syncytial virus (RSV) Common bacterial infections for pediatrics -Group A β-hemolyticstreptococcus -Staphylococci -Chlamydia trachomatis -mycoplasma -pneumococci -Haemophilus influenzae Respiratory Syncytial Virus (RSV) -virus that transmits via droplets -initial infection starts at nasopharynx but spreads to lower respiratory via aspiration of secretions Progression of RSV infection 1. begins at nasopharynx airway secretions are aspirated sis of respiratory epithelium ronchiolar monouclear infiltration (immune cells) 5. mucus & exudate obstruction of bronchial lumen 6. hyperinflation & atelectasis occurs *NOTE* exhalation is passive which results in narrowing of an already obstructed lumen S/S of RSV nasal discharge low-grade fever dyspnea nonproductive cough tachypnea with flaring nares retraction and wheezing disease becomes worse on days 2-3 Therapeutic Management: RSV supplemental oxygen suctioning oral or iv hydration antipyretics Infectious disease progression with age

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NUR 3490 Respiratory Dysfunction Exam 1 Study Guide |
A+ Verified Exam Questions and Answers | Complete
Pediatric Respiratory Disorders Review | Upper and Lower
Respiratory Tract | RSV Pathophysiology | Croup
Syndromes | Pediatric Infections | Nursing Care
Management | Clinical Manifestations | Therapeutic
Management | Infection Progression | Seasonal Variations
| Airway Anatomy | Maternal Antibodies | Exam Prep Latest
Updated 2026




Upper Respiratory Tract

nose, pharynx, larynx




Lower respiratory Tract

trachea, bronchi, bronchioles, alveoli




What are croup syndromes?

Infections of the epiglottis and larynx




Common viral infections for pediatrics

Respiratory syncytial virus (RSV)

,Common bacterial infections for pediatrics

-Group A β-hemolyticstreptococcus

-Staphylococci

-Chlamydia trachomatis

-mycoplasma

-pneumococci

-Haemophilus influenzae




Respiratory Syncytial Virus (RSV)

-virus that transmits via droplets

-initial infection starts at nasopharynx but spreads to lower respiratory via aspiration of
secretions




Progression of RSV infection

1. begins at nasopharynx



2.upper airway secretions are aspirated



3.necrosis of respiratory epithelium



4.peribronchiolar monouclear infiltration (immune cells)



5. mucus & exudate obstruction of bronchial lumen

, 6. hyperinflation & atelectasis occurs



*NOTE* exhalation is passive which results in narrowing of an already obstructed lumen




S/S of RSV

nasal discharge

low-grade fever

dyspnea

nonproductive cough

tachypnea with flaring nares

retraction and wheezing

disease becomes worse on days 2-3




Therapeutic Management: RSV

supplemental oxygen

suctioning

oral or iv hydration

antipyretics




Infectious disease progression with age

infants <3 months: protected by maternal antibodies

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