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: Gynaecology & Obstetrics
The length of the female urethra is : 
Select and explain. 
A. 20 mm, B. 40 mm, C. 45 mm, D. 60 mm
B: 40 mm
Answer: B: 40 mm 
Explanation: 40 mm