Drop down menu for quiz questions

Hi, i am trying to make drop down menu for all the quiz questions end the end of course but can't figure out a way to make it happen so far :(

Here is a sample of articulate course that contain drop down menu for all the quiz questions on last slide :

https://cloudapps.ccb.ac.uk/info_docs/Health_and_Safety_Module/player.html

Please have a look at this above link and let me know if anybody having any idea of how to implement something like this.

Thanks,

Manoj