This document contains medical assisting competencies and competency-based performance objectives, learning activities, resources, and levels of achievement for each competency that were adapted and developed by instructors of medical assisting to suit the needs and legal parameters of Pennsylvania. The competencies and associated elements are intended to help Pennsylvania health occupations educators determine curriculum based on input from business and industry personnel on occupational advisory committees. The document consists of an abstract that briefly describes the project that produced the competencies; an introduction that explains competency-based education; a section that analyzes health care occupations; a section that explains performance objectives; a section that tells how the project objectives were met in the production of the competencies and other elements; a summary; a 14-item bibliography; and an appendix that contains all the competencies and associated elements. In the appendix, the 49 competencies are arranged in 12 instructional units: Role and Responsibility, Clinical/Administrative Office Management, Communications, Microbiology/Medical and Surgical Asepsis, Body Structure and Function, Human Growth and Development, Medical Terminology, Safety in the Health Care Setting, Medical Math/Drugs/Solutions, First Aid/Cardiopulmonary Resuscitation, Nutrition, and Career Opportunity/Employment Preparation. Each competency is accompanied by objectives, learning activities keyed to resources, list of resources, and evaluation procedures. (CML)