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
In spinal anesthesia which fiber is lost first 
Select and explain. 
A. Sympathetic, B. Sensory, C. Motor, D. All
A: Sympathetic
Answer: A: Sympathetic 
Explanation: A i.e. Sympathetic