I studied alot of math (fractions) and brand/generic names. Being in practice as a Pharmacy Tech will be most helpful! If you are a Tech in a hospital or know someone you can study with that will help you a great deal. Good luck to you!!!
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I believe that experience in the pharmacy field is essential in preparation for the advanced credential. As for (five) test preparations, there are many website and book references, but I have found that adopting good test-taking practices (such as looking up test-taking strategies, allowing an abundance of time for arriving to the test site, and getting a good rest the night before for example) are also essential to success.