A Patient in the STD Clinic Tells the Nurse About

A patient in the STD clinic tells the nurse about a recent exposure to syphilis through sexual intercourse. The nurse teaches the patient that the fastest information about syphilis infection will be obtained from

A) Venereal Disease Research Laboratory (VDRL) testing.
B) rapid plasma reagent (RPR) agglutination.
C) examination of a specimen obtained from an active chancre.
D) fluorescent treponemal antibody absorption (FTA-Abs) testing.