A laboratory test that is used to confirm syphilis and detects specific treponemal antibodies is:

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TP-PA (Treponemal Pallidum Hemagglutination Assay) is a laboratory test that specifically detects antibodies against the spirochete bacterium Treponema pallidum, which causes syphilis. It is highly sensitive and specific, making it one of the most reliable tests for confirming syphilis infection. VDRL and RPR are non-treponemal tests, which are useful for screening but can yield false-positive results in certain conditions. Monospot, on the other hand, is a test for infectious mononucleosis caused by the Epstein-Barr virus, which is not related to syphilis.

A Laboratory Test That Is Used to Confirm Syphilis and Detects