This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pediatrics
In child, foreign body in lung 
Select and explain. 
A. Rigid bronchoscopy, B. Chest x-ray, C. Flexible endoscopy, D. Direct laryngoscopy
A: Rigid bronchoscopy
Answer: A: Rigid bronchoscopy 
Explanation: The children are treated by removal of foreign body through a rigid bronchoscope.Bronchoscopy should be undeaken if the clinical and radiological picture suggests the diagnosis even when the history of foreign body aspiration is not fohcoming. Ref : Essential Paediatrics,O.P.Ghai,7th edition,Pg No:368