This volume consists of the first four units of a basic core curriculum that is intended for all health workers. The units deal with the following topics: (1) the health care facility, the long-term care facility, the health team, and the nursing team; (2) verbal and nonverbal communication, written communication, human behavior, ethical behavior, and legal behavior; (3) maintaining the patient's environment, the nursing unit, equipment and supplies, introduction to first aid, emergency cardiopulmonary resuscitation and the Heimlich maneuver; and (4) organization of the musculoskeletal, integumentary, digestive, circulatory, respiratory, urinary, endocrine, reproductive, and nervous systems. Each unit is comprised of a series of learning modules, each of which contains a rationale, performance objectives, learning activities and answers, terminology, and one or more posttests. (MN)