system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about primary chancre -
assistant
The correct answer is  Ans. is 'a' i.e., Painless ulcer; 'b' i.e., Painless lymphadenopathy; 'c' i.e., Covered with exudate Features of Primary Sore (Chancre) of syphilis I. Single lesion Painless Inducated base Associated with painless lymphadenopathy, bilateral. Exudation with discharging serous fluid. Option 'e' is slightly tricky. Spirochetes are abundant in the lesions of primary and secondary syphilis. So, organism can be isolated from chancre. But, as you all know, T. pallidum cannot be cultivated in aificial culture media.