Adding advanced actions to hotspot quizzes

Instead of trying to do this with hot spot quiz question slides and Advanced Actions, you could probably just use normal slides and Click Boxes using the Success feedback captions to deliver your response text.  This requires the user to click something and since these are interactive objects, you can run into issues with pausing behaviour (unless using AAs to prevent it).  But one downside is that the feedback captions disappear after a certain time.

Another way to deliver text captions for as long as the user needs to read them is to just use rollover captions placed over your "hotspots".  I personally prefer this option.