Welcome to the program!
As for advise... Well, I'm not that far along myself but what I would offer is, don't over think your exams; they aren't that difficult. My method is read the material thoroughly, go through and answer the questions on the exam and if you have the slightest question about an answer, go back and re-read the section of the material explicit to that question. So far, I haven't found a question in the exams that doesn't have the answer specifically stated in the material.
I know that sounds rather confident but believe me, I do have my share of pre-exam jitters. I usually end up looking over my exams two or three times before submitting them (I hate getting less than 100%.) You're not alone!