^ yeah the first few will determine the difficulty and the grade range you are going to be in. If you start answering a lot of questions wrong, then they will throw easier ones at you.
As far as 2 weeks not being a lot of time. I couldn’t study anymore after 2 weeks. I was dying to take the test. I studied about 2 hours a day for the 2 weeks. Sometimes a little longer, sometimes a little shorter.