This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Skin
Which of the following is the causative organism of Verruca vulgaris: 
Select and explain. 
A. CMV, B. Human immunodeficiency virus, C. Human papilloma virus, D. Ebstein barr virus .
C: Human papilloma virus
Answer: C: Human papilloma virus 
Explanation: Ans: (c) Human papilloma virusRef.: Fitzpatrick Colour Atlas 7th ed. / 639* Causative organism of verruca vulgaris is human papilloma virus.WARTS* Caused by Human Papilloma virus (HPV). It is the most common virus induced tumor and shows Koebner's phenomenon.* Condyloma Acuminata are genital warts caused most commonly by human papilloma virus type 6 and 11.* DOC: 20% podophyllin or glutaraldehyde.* In pregnancy: DOC is trichlor acetic acid.* Most common wart: Verruca VulgarisWartsSeen in* Plane wartV. plana* Filiform wartV. filiformis* Plantar wartV. plantaris or myrmecia wart* Veneral wartCondylomata accuminata* Massive wartBuschke lowen stein tumor* Condyloma lataTreponema Pallidum