Captivate 9 mystery audio

This project is playing audio on a random questions slide that doesn't show any audio on the filmstrip or when you look at the question pool questions.  The audio it plays is from a slide that occurs after the 8 random question slides on the filmstrip.  The audio also plays on the slide it is assigned to.  It only plays on the second random question slide.  Not the first or the other 6 random question slides.

We've looked all over and can't find where there is any audio associated with this.

Help???

Thank you,

Susan