Lab assistants provide support for technologists, researchers, and other professionals in a laboratory setting. Your responsibilities as an entry-level assistant include setting up and cleaning lab equipment, cataloging samples, organizing files and paperwork, and taking inventory of materials and supplies. After some training, you may be allowed to assist during experiments and analysis under the direction of senior lab personnel. In a medical laboratory, you need to handle samples and clean equipment according to safety and privacy regulations. If you have no experience as a lab professional, you receive extensive training in the proper handling of specimens and equipment from qualified lab staff.