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
The following is not a feature of pierre - Robin syndrome - 
Select and explain. 
A. Hearing defect, B. Coloboma Iris, C. Respiratory distress, D. Mandibular hypoplasia
B: Coloboma Iris
Answer: B: Coloboma Iris 
Explanation: Ans. is 'b' i.e., Cloboma iris Pierre Robin syndrome consists of - Micrognatnia Fore shoened floor of mouth CHDs Cleft palate or high arched palate Mandibular hypoplasia (Micrognathia) Respiratory obstruction Normal size tongue