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If you are interested in working as a dialysis technician, you should take biology, chemistry, and health classes while in high school. Mathematics classes will also be beneficial, since you will be working with numbers and equations as you determine the appropriate treatment for each patient. English classes will help you develop your communication skills and improve your ability to follow directions and record information. You may also want to take computer classes so that you are comfortable working with technical equipment. Finally, consider taking any class, such as psychology, that will give you insight into dealing with people.
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