Section: USMLE

26) A newborn infant who was apparently healthy at birth develops aspiration pneumonia in the first 2 days of life. All attempts to feed the infant cause it to cough and choke. Which of the following abnormalities is the most likely cause of the infant’s difficulties?

1. Bronchogenic cysts
2. Congenital pulmonary cysts
3. Posterior deviation of the tracheoesophageal septum
4. Pulmonary immaturity
5. Pulmonary sequestration