@ Renee- Thank you, Renee:-)!!! Nope, you don't have to have all of your prerequisites complete in order to get a decision regarding your acceptance or denial. As long as you have most of your prerequisites complete, they review your application as soon as your file has all of its necessary components(meaning they have received your application,statement of purpose, transcripts, resume, reccomendation letters, and prerequisite form). Also, no you do not have to show proof of registration. Just make sure to list all the classes you have already taken, and all the classes you plan to take in the future(and where u plan to take them) on the prerequisite form. When final grades come in for the classes you still have to take, send them the updated transcript.
@RickyLatino87- Thank you, Ricky:-)!!! Since Loyola has rolling admissions(which means that they review applications as they come in, even if you send it way before the deadline.), they start sending decisions even before the deadline. As far as the prerequisites, I had all of them done except Organic Chemistry. Taking that one class in the Spring.