There is no particular resume of a Medical Asst. All resume contain same things in a format. First of all you have to mention your objective then your education (from which institute and from which city you have done). Then comes about your Job experience, you should mention all your job description in it and date of joining and date of leaving. Then comes any Volunteer Experience. Second last comes your Skills, you have to mention all your skills in which which areas. In last you have to tell about your Interest.