That's right Cynthia. Most of our class still had yellow triangles when we got the acceptance letter (it never changed for me). If you're taking prereqs currently this semester, they will have made the decision and sent you your acceptance before you even finish. You would still need to send a final transcript at the end of this semester to have all your requirements satisfied, by which time you'll already be enrolled, vaccinated and done with your CPR.
If anybody wants to go ahead and get CPR out of the way (good for 2 yrs), now is a good time to work on that. Even if you don't get accepted, it's a valuable skill that you won't regret learning. You need BLS for health care providers class from the AHA (www.heart.org). Also, if you get free Flu shots and PPDs from work (you might if you're in health care), go ahead and make sure you get those too. I assume everybody should have Meningitis already (should have it if you're attending college)... you'll need that if not.
There's plenty of things you COULD be getting done early, but these are just some easy things that would still be beneficial to you or that you'll probably need anyways even if you don't get accepted.