Which symptom in the newborn is most characteristic of choanal atresia?
a. Hypothermia c. High-pitched cry
b. Respiratory distress d. Acrocyanosis
B
Because neonates are nose breathers, respiratory distress is a common characteristic of choanal atresia, because of the obstruction caused by the bony separation between the nose and the pharynx. Choanal atresia may be immediately recognizable at birth by signs of respiratory distress, especially if the atresia is bilateral.
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