<prompt> True about primary chancre:Painless ulcerPainless lymphadenopathyCovered with exudateAll  <response>: Ans. d. AllPRIMARY SYPHILISPrimary or hard chancre: Single painless indurated ulcer. Most common sites are penis in males, Cervix or labia In female.Regional Usually inguinal lymphadenopathy: Painless firm, non-suppurative and often bilateral.If syphilis acquired by non-venereal mode:If transmitted by direct contact - the primary chancre is extra genital, usually on the fingers.If transmitted by blood transfusion - the primary chancre doesnt occur. 