I know this may sound like a dumb question, but here it goes. I know you have to have a state license to work in a state. Why do you have to pass the NREMT test to become an EMT if you have already passed the state test. I know you can let your national registry run out and still work on your state license, so why do you have to pass the national registry before you are allowed to start working as an EMT? Just curious