A young man presents to the emergency depament with a maculopapular rash 2 weeks after healing of a painless genital ulcer. The most likely etiological agent is: (A) Treponemapallidum, (B) Treponemapeunae, (C) Chalmydia Trachomatis, (D) Calymatobacter granulomatis
Answer is A. A i.e. Treponema pallidum Development of nonpruritic maculopapular rash (secondary syphilis) two weeks after heeling of painless genital ulcer (primary syphilis) suggest Treponema pailidium as an etiological aget.