Don't you love it when people in school are like, 'I'm a bad test taker.' You mean you're stupid. Oh, you struggle with that part where we find out what you know? --tosh
all jokes aside, you have to lose the attitude. if you made it into med school you aren't a bad test taker. instead of approaching it negatively you need to shift your frame to mind into a more motivational perspective. stop saying you are a bad test taker. instead, say you need to work harder on standardized tests.
all the review materials in the world aren't going to help you if you are a negative nancy. first get your head straight, then we'll talk specifics.