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: Surgery
Hyperbaric oxygen is indicated for 
Select and explain. 
A. Obstructive lung diseases, B. Osteoradionecrosis, C. Cardiac failure, D. Renal diseases
B: Osteoradionecrosis
Answer: B: Osteoradionecrosis 
Explanation: None