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: Pharmacology
Topical immunomodulator used for the treatment of genital was is - 
Select and explain. 
A. Imiquimod, B. Podophylline, C. Interferon, D. Acyclovir
A: Imiquimod
Answer: A: Imiquimod 
Explanation: Ans. is 'a' i.e., Imiquimod o Imiquimod is an immune response modifier shown to be effective in the topical treatment of external genital and perianal was (i.e. condyloma acuminatum).