CGFNS exam, anything new, is the study guide enough?

Hi,
After 9 months of fighting with the bureaucracy of the CGFNS, I finally got rostered for November. I received the study guide and purchased the CGFNS supplement booklets (psychiatry, child care, adult health, etc.).

The same subjects come up over and again on the study guides. So I was wondering if these are the only subjects tested on the actual exam or if there are a lot of questions on other subject matter that is not covered in the study guide and booklets. Will I be ok if I study only the subjects covered in the CGFNS guide?

Also, I was wondering if the CGFNS exam includes questions with multiple correct answers?

And finally, are there any questions with a different format than on the study guide?

thks for your help.