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: Radiology
Best view to diagnose pneumothorax – 
Select and explain. 
A. Lateral oblique, B. PA view in full expiration, C. PA view in full inspiration, D. AP view in full expiration
B: PA view in full expiration
Answer: B: PA view in full expiration 
Explanation: Usual chest X-ray is PA view in full inspiration. For pneumothorax PA view in full expiration is the most appropriate view.