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 spinal anesthesia is 
Select and explain. 
A. Hypotension, B. Headache, C. Meningitis, D. Arrythmia
A: Hypotension
Answer: A: Hypotension 
Explanation: A i.e. Hypotension