You must resist the lure of Yahoo Answers and realize that these same mindless questions will drone on without you. They will still be waiting on you after your test. We can tempt you to stay, but we won't be there when you fail.
Go back to your notes or the section in a book you have to study and read it again....but with a cheery British accent. Reading things out loud and in unusual ways usually helps me stay focused just long enough to read/study it all.