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: Medicine
Anterior spinal artery throbosis is characterized by-a) Loss of pain & touchb) Loss of vibration sensec) Loss of power in lower limbd) Sphincter dysfuction 
Select and explain. 
A. acd, B. ad, C. bc, D. bde
A: acd
Answer: A: acd 
Explanation: None