Youll also go over medical abbreviations that are specific to the various occupations and titles of the medical industry. Then, move on to the most common medical abbreviations beginning with the letters A through R. Week 6. Complete your study of medical abbreviations beginning with letters S through Z and go over specific abbreviations that refer to hospital areas, laboratory tests, chemistries, and medical symbols. Finally, youll put everything together by looking at roots, prefixes, and suffixes, to see how they create combined medical terms from body system to body system. Youll also learn some directional terms that are commonly used in medicine. View All Sections.