Arab Board Pediatrics Final Written Practice Questions - Arab Board Pediatrics Final Written Examination (ABHS) Exam

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A preterm male infant born at 29 weeks of gestation develops expiratory grunting, nasal flaring, and prominent intercostal retractions within 30 minutes of birth. Arterial blood gas shows pH 7.22, PaCO2 58 mmHg, PaO2 48 mmHg, and HCO3 22 mmol/L on continuous positive airway pressure (CPAP) of 6 cmH2O and FiO2 0.45. Chest radiography reveals diffuse reticulogranular ground-glass opacities with air bronchograms and low lung volumes. What is the definitive initial therapy?

Intravenous dexamethasone therapy Exogenous surfactant administration via minimally invasive or endotracheal technique Empiric intravenous broad-spectrum antifungal therapy Inhaled nitric oxide therapy at 20 ppm

Correct Answer:

Exogenous surfactant administration via minimally invasive or endotracheal technique

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