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
Early loss of bladder control is seen in 
Select and explain. 
A. Conus medullaris, B. Cauda equina, C. Gullain bane syndrome, D. Amyotrophic lateral sclerosis
A: Conus medullaris
Answer: A: Conus medullaris 
Explanation: Ans. is 'a' i.e., Conus medullaris Loss of bladder control is an early and marked feature of conus medullaris.