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: Anaesthesia
Most common complication of celiac plexus block: 
Select and explain. 
A. Pneumothorax, B. Postural hypotension, C. Retroperitoneal hemorrhage, D. Intra-aerial injection
B: Postural hypotension
Answer: B: Postural hypotension 
Explanation: B i.e. Postural Hypotenson