If im already damaged before getting hit by that grenade i would throw a grenade and try to get close to my team as much as possible and find an area that's not in plain sight and then die. If im sure im not gonna die from 1 grenade and burn i will put a little gap and hardscope head level on whatever corner you're coming from. Same as number 2 but with shotgun. I would kneel and suprise you in a corner with a shotgun.