Treponemal and non-treponemal serological testing can be used to test for
vaginosis.
chlamydia.
syphilis.
gonorrhea.

syphilis is a correct answer.

Explanation:

Syphilis infection is caused by Treponema pallidum and this infection is caused due to sexual activity and it is also transferred to the baby during pregnancy.Treponemal and non-treponemal serological testing are used to detect Syphilis by doing blood tests.The non-treponemal test is used to find out the biomarkers which are released from the cellular damage when the patient is suffering for syphilis. Treponemal test is used to detect the antibodies which have cause syphilis.Non treponemal is an indirect way to detect the syphilis infection, so it needs to be confirmed by doing treponemal tests.

Thus Treponemal and non-treponemal serological testing can be used to test for syphilis.

                                                                                                                                                                                                                                                                                                   

                                                                                                                                                                                                                                                                                                   

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Cis your correct answer