The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 15-year-old girl comes to the physician because of a 2-week history of genital lesions. She has no history of serious illness. She is sexually active with 2 male partners and uses condoms inconsistently. Vital signs are within normal limits. Pelvic examination shows multiple hyperkeratotic exophytic papules over the vulva. The lesions turn white on application of 3% acetic acid. Which of the following is most likely to have prevented this patient's condition?   (A) Condoms   (B) Anti-HIV prophylaxis   (C) Spermicidal foam   (D) Vaccination
['(D) Vaccination <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Condoms \n (B) Anti-HIV prophylaxis \n (C) Spermicidal foam \n (D) Vaccination <> possible answers', "  A 15-year-old girl comes to the physician because of a 2-week history of genital lesions. She has no history of serious illness. She is sexually active with 2 male partners and uses condoms inconsistently. Vital signs are within normal limits. Pelvic examination shows multiple hyperkeratotic exophytic papules over the vulva. The lesions turn white on application of 3% acetic acid. Which of the following is most likely to have prevented this patient's condition? <> context@"]