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: Dental
The most frequent cause of recurrent genital ulceration in a sexually active male is – 
Select and explain. 
A. Herpes genitalis, B. Aphthous ulcer, C. Syphilis, D. Chancroid
A: Herpes genitalis
Answer: A: Herpes genitalis 
Explanation: Most common cause of recurrent genital ulcer is HSV-2. Infact, the characteristic feature of Herpes genitalis is that it is recurrent.