I am not some one who normally gets too antsy about standard policy/procudure/paper work stuff, but even I wouldn't feel comfortable signing that. Happy to discuss and make a call IF the need arises but not to just agree to all of them without having the context of an actual 'situation' or hurdle to deal with. I mean, there are some situations where I would want a epidural, and some I wouldn't, I want to make that call when I know which scenario we are faced with because my consent would change.
Unless I guess if the consent form says it covers these procedures if you are already unconscious, then I would probably be OK with it because I'm thinking if I am already unconscious things REALLY need to happen.