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: Anatomy
In adults, the spinal cord normally ends at- 
Select and explain. 
A. Lower border of Ll, B. Lower border of L3, C. Lower border of S1, D. Lower border of L5
A: Lower border of Ll
Answer: A: Lower border of Ll 
Explanation: Spinal cord begins at foramen magnum and, in adults, ends at lower border of L1.