Yeah, it does the job but it some what breaks the immersion and there was time when they went for at least some what realistic shooters. Not that I want another Americas Army that quizzes and trains me 3 hours before I can play the actual game. But animation would have been nice.
And in this video we learn how to patch yourself up. Stand straight, hold your first-aid kit in front of you and stare at it 10 seconds. This is how you patch yourself up when the developers won't bother to animate any first-aid actions.