Have you ever gotten STD tested..?

I am 19 and have never had a child.

Tomorrow at 11 I am getting test for Chlamydia, Gonarrhea, Trichamaniasis, a bacterial vaginosis, and a pelvic exam.

What should I expect from each test?

Which do they need blood for?

Which do they need a vaginal swab if any for?

What does the doctor do for each of the ones I am getting done..?

I have never gotten STD tested before, but I just want to make sure everything is going well down under.

Thank you!