Hello and welcome to the forum,
For each question you can decide whether or not it will be part of the Total score for the quiz (reporting accordion).
Maybe the number of questionson the score slide, the progress indicator will have to be replaced by customized versions. Have a look at:
http://blog.lilybiri.com/customized-progress-indicator
http://blog.lilybiri.com/intermediate-score-slides
Lilybiri