I would make sure you are comfortable with pharmacy math and dosage calculations as about 40% of the exam involves math. Other than that, if you know the top 150 to 200 drugs (brand names, generic names, and classes) you will be in really great shape as well. There are also quite a lot of what I call "common sense" type questions regarding technician duties. They pose a hypothetical situation and ask what you should do (or are allowed to do) as a technician. The main thing to remember with these types of questions is to avoid the answers where you would have to use "professional judgement" to perform the task. If you are looking for a good review manual I recommend the one available at Tech Lectures. (I'm not afilliated with them, I just think they provide one of the better products for the money.) Good luck with the exam. Don't stress over it too much, I'm sure you'll do fine.