the colleges will look at whatever transcripts you send them, they will take the most recent grades from the classes you retook, if you dont need to send them the transcripts from where you had bad...
It really just depends on the program, I hear hospital based programs do have significantly more clinical time requirements over academic based programs, this could entail taking frequent call and...
it depends on the school I know people who dont have gpa's of nearly 4.0 and being a double major for your undergrad is something they will definately look at and see your a hard