Definitely seek accommodations. The test goes by pretty quickly, so I think the average person wouldn't need a bathroom break if you go beforehand, but you might as well seek an accommodation to have peace of mind.
What were the curves? I don't want to listen to it because I've finally made peace with not chasing my PT scores any further, and don't want to get sucked back in. (┛ಠ_ಠ)┛彡┻━┻