A stage of venereal syphilis characterized by the appearance of a chancre is known as __________ syphilis.
A)primary
B)secondary
C)late
D)tertiary

Question

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T.pallidum causes venereal (i.e. ,transmitted through sexual contact)syphilis.The clinical presentation of venereal syphilis is varied and complex,often mimicking many other diseases.This disease is divided into stages: incubating,primary,secondary,early latent,latent,and tertiary.Primary syphilis is characterized by the appearance of a chancre (a painless ulcer)usually at the site of inoculation,most commonly the genitalia.Within 3 to 6 weeks,the chancre heals.Dissemination of the organism occurs during this primary stage.

A Stage of Venereal Syphilis Characterized by the Appearance of a Chancre