Microbiology Quiz #30, Syphilis  

1. A 25-year-old man presents to the clinic with a painless ulcer on his genitalia. He reports that it appeared a few weeks after unprotected sexual intercourse. Physical examination reveals a solitary, round, firm, and non-tender ulcer. An image of this lesion is shown below. Which of the following is the most likely diagnosis?

Question 1 of 5

2. Which of the following laboratory tests is commonly used for the initial screening of syphilis?

Question 2 of 5

3. A patient presents with a maculopapular rash on the palms and soles, generalized lymphadenopathy, and mucous patches in the mouth. These findings are most consistent with which stage of syphilis?

Question 3 of 5

4. In the diagnosis of syphilis, which of the following tests is used to confirm a positive screening result and is specific for Treponema pallidum?

Question 4 of 5

5. Which of the following is a characteristic feature of congenital syphilis?

Question 5 of 5


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