This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other Respiratory Disorders, Subject name: Pediatrics
In a child with foreign body in bronchus, next step is: 
Select and explain. 
A. Rigid bronchoscopy, B. Chest X-ray, C. Flexible endoscopy, D. Direct laryngoscopy
A: Rigid bronchoscopy
Answer: A: Rigid bronchoscopy 
Explanation: In the question, child has already been diagnosed with bronchial foreign body. Hence next step would be its removal and treatment of choice in a child with foreign body in bronchus is Rigid bronchoscopy.