Brand new OR nurse in Children's

So i am getting ready to make the transition from a PCT position to an OR nurse position...i am really nervous and excited at the same time to start. I started my orientation 2 years ago and failed my nursing boards and then had to become a PCT on the floor for all this time. Now i am returning after passing my boards. I knew right out of school that this is what i wanted. I know the orientation period is for around 8 months. I feel like i have forgotten everything that i started to learn when i was in orientation. Can anyone give me any insight or heads up?