Abstract
As part of the Institute of Medical Illustrators’ (IMI) scheme for continuing professional development, worksheets will be published at regular intervals in this Journal. These are designed to provide the members of IMI with structured CPD activities that offers one way to earn credits. It is recognized that this worksheet requires some time spent undertaking the exercises. The answers to the questions, along with any notes and reflections you make or other publications you find, should be kept in your CPD portfolio.