What an incredibly simple idea! I wasn't even aware that Powerpoint had this potential. (I wonder if Keynote, where all my lessons were created, can too? They don't translate well to Powerpoint, so I'd be redoing them all. Hmm. Research time...)
So I can ask my questions with audio, they click the button, and get my audio response yay or nay, and the next instruction...and this all works online? If so, the perfect solution to my problem. WOW!
I'll go get a trial version and figure out how to do it, if this all translates fine online. Thank you!