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
Air embolism in neural surgery maximum in which position: 
Select and explain. 
A. Sitting, B. Supine, C. Trendelenburg, D. Left lateral
A: Sitting
Answer: A: Sitting 
Explanation: Ans is 'a' i.e. Sitting