Neonatal Nursing Certification Review: Section 2 – Neonatal Pulmonary Physiology

🚨 MASTER neonatal pulmonary physiology for certification success and bedside precision! This essential lecture connects lung volumes, compliance, resistance, and gas exchange to real NICU decision-making — the physiologic foundation of every ventilation strategy and respiratory diagnosis.

🎯 HIGH-YIELD EXAM CONTENT:
✅ Lung volumes and capacities (VT, FRC, TLC) and their clinical significance
✅ Neonatal mechanisms preserving FRC: expiratory braking, grunting, high RR
✅ Compliance dynamics — low lung, high chest wall, and surfactant influence
✅ Airway resistance: Poiseuille’s law, nasal contribution, obligate nasal breathing
✅ Work of breathing determinants and fatigue patterns in neonates
✅ Time constants and their role in ventilation timing and injury prevention
✅ V/Q mismatch as the primary cause of neonatal hypoxemia
✅ Oxygen and CO₂ diffusion differences and neonatal vulnerability
✅ Integration of physiology to bedside: CPAP, surfactant, airway management

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