very normal.
just take your time and practice one skill at a time. repetition and practice makes each seem second nature after awhile and that nervousness will disappear.
the idea is to get familiar with your bike and not feel
totally foreign when you jump on the bike at the MSF course.
make sure your bike is setup properly before heading out. check tire pressure, adjust controls for comfort, etc.
have you spent the time to read through the owners manual? it contains a wealth of basic information for someone new to riding/motorcycle ownership.