This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
A newborn has dribbling after feeds. She presents with respiratory distress and frothing from the mouth. What is the likely diagnosis: 
Select and explain. 
A. Parotid hyperplasia, B. Tetralogy of fallot, C. Respiratory distress syndrome, D. Tracheoesophageal fistula
D: Tracheoesophageal fistula
Answer: D: Tracheoesophageal fistula 
Explanation: Feeding is often associated with coughing, drooling, choking and cyanosis in a neonate with Tracheoesophageal fistula. The excessive salivation is due to the associated oesophageal atresia. The earliest clinical symptom is polyhydramnion, which indicates oesophageal atresia. Ref: Kliegman, Behrman, Jenson, Stanton (2008), Chapter 316, "Congenital Anomalies: Esophageal Atresia and Tracheoesophageal Fistula", In the book, "NELSON TEXTBOOK OF PEDIATRICS", Volume 2, 18th Edition, New Delhi, Pages 1543-44 ; Bailey and Love's Sho Practice of Surgery, 24th Edition, Page 994