There are good nurses and there are bad nurses. Don't piss off the good nurses.
Be interested in your own health. Pay attention. Even they get things wrong (miss the fact you're on a med that conflicts with another med).
Never lie. Just be honest. It will make everything easier.
Pay attention at the end. You just want to go home but that's when you hear all the important stuff.
You're not going to sleep well. Bring a mask for your eyes and something for your ears if you can.
Be modest but realize a lot of people are going to see a lot of your body parts. There's nothing sexual about it.