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
One of the following in adult female genital tract is not affected by gonococcal infections : 
Select and explain. 
A. Vulva, B. Vagina, C. Cervix, D. Fallopian tube
B: Vagina
Answer: B: Vagina 
Explanation: Vagina