My first response is a bit of a smart ass answer....study harder.
But if you are having problems, get a copy of the materials you used and practice the questions, if at all possible, get them on a CD-ROM and practice with the questions......that will get you where you want to be.
My friend failed the test twice, then switched to just health and failed it twice before passing.
He works for a version of Mega, he keeps telling me about his $1,300 weeks. They made him a manager after just a few weeks.
I keep praying that everything I've heard about Mega from this board won't apply to him, so far so good.