What can i expect to see as a nurse?`?

i am starting an rn program this fall and am in training to be a cna currently. i have done my fair share of ivestigating and researching on both profdessions, its very much in my family and i think i will truly enjoy it. im just wondering if theres any rns and cnas out there who can tell me how to prepare for school, the patients, etc! thanks!