STD's This exercise can be used to drill on some STD's, their symptoms, how they spread, and treatment. This drill covers Chlamydia or NGU, genital warts, gonorrhea, and Hepatitis B. Tools See a list of terms used in these activities. Flashcards (Java / non-Java) Activities created by: Alice Empie This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.