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: Pathology
Squamocolumanr junction is usually located....from cervical lip - 
Select and explain. 
A. 2.5 mm, B. 8-13mm, C. 20-30mm, D. 40-50mm
B: 8-13mm
Answer: B: 8-13mm 
Explanation: None