Sorry, I don't mean to be tough on you, I know you are under enough pressure already. Buy a Taber's. It will be worth every penny! Also see if you can make copies of the orders and take them home...
I&O = intake and output. Learn these quick or you will become familiar with the term "Nurses eat their own". You will be eaten alive!!! Don't you have a Taber's (http://www.tabers.com) 2nd year...