This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Surgery
All are true about pulmonary contusion except: 
Select and explain. 
A. Missed on chest X-ray in 20%, B. Pain management is impoant to prevent hypoventilation, C. CT is sensitive for diagnosis, D. >25% contusion may likely needs intubation
D: >25% contusion may likely needs intubation
Answer: D: >25% contusion may likely needs intubation 
Explanation: Pulmonary Contusion Inadequate pain relief leads to hypoventilation, promotion of atelectasis & worsening hypoxemia. Lung contusions may be present on the initial chest radiograph but typically require time to become visualized (it can be missed) Diagnosis: IOC is CECT. Intubation should be reserved for classical indications only (it can result in Pneumonia).