Preparing for the BONENT test to become a hemodialysis technician can be done in several different ways. If you take a course through a provider they will instruct you on the way they think is best to prep for the test. You can also find study guides available online that will include practice tests. If you take this course through an approved provider they will have methods and study materials in place that they have honed over time to get the best passing rates for their students. My websites: what is hemodialysis