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
Diameter of female urethra is: 
Select and explain. 
A. 3 mm, B. 4 mm, C. 5 mm, D. 6 mm
D: 6 mm
Answer: D: 6 mm 
Explanation: Female urethraIt is about 1.5 inches (3.8 cm) to 2 inches (5.1 cm) long and exits the body between the clitoris and the vagina, extending from the internal to the external urethral orifice.Its diameter when undilated is about 6 mm.