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
Aicular surface of the sarum extends upto how many veebrae in males ? 
Select and explain. 
A. 1 to 11/2, B. 2 to 21/2, C. 3 to 31/2, D. 4 to 41/2
C: 3 to 31/2
Answer: C: 3 to 31/2 
Explanation: Aicular surface of sacrum: the rough aicular surface on the lateral aspects of the sacrum that aiculates with the ilium on each side.