Taking and recording vital signs (temperature, pulse, blood pressure, weight, height). Preparing patients for examinations and procedures. Assisting physicians during examinations and procedures. Administering medications and injections as directed by a physician. Collecting and preparing specimens for laboratory tests. Performing basic laboratory tests. Drawing blood. Sterilizing medical equipment. Changing bandages and dressings. Performing EKGs (electrocardiograms). Educating patients about medications, treatments, and procedures.