This task-based curriculum guide for medical laboratory assistant is intended to help the teacher develop a classroom management system where students learn by doing. Introductory materials include a Dictionary of Occupational Titles job code and title sheet, a career ladder, a matrix relating duty/task numbers to job titles, and a task list. Each task is then outlined in this format: statement of duty, statement of task, duty and task numbers, a checklist of achievement of competence, specification of required tools and equipment and resources, and lists of teacher activities and student learning activities. The tasks are categorized by 15 duties: employing laboratory safety procedures, communicating with employees and patients, using basic laboratory skills, operating laboratory equipment, collecting specimens, providing care and maintenance of equipment and supplies, preparing specimens for analysis, performing hematologic procedures, performing urinalysis, performing chemistry analysis, performing microbiology procedures, performing serologic procedures, performing blood bank procedures, performing clerical duties, and using employability skills. Other contents include student and class achievement records, tool/equipment lists, a bibliography, and Board of Registry information provided by the American Society of Clinical Pathologists. (YLB)