Responsible for the collection, compilation, and dissemination of essential biomedical information. Using knowledge of both library science and the health sciences, they assist health care providers, students, researchers, and administrators with retrieving information that will provide for better patient care, education, and research.

Directs and coordinates the functions of a hospital or other health care institution and the activities of the staff. He or she is responsible for the efficient operation of a specific department or for the entire health care facility.

Review, evaluate, and analyze work environments and design programs and procedures to control, eliminate, and prevent disease or injury caused by chemical, physical, and biological agents or ergonomic factors. May conduct inspections and enforce adherence to laws and regulations governing the health and safety of individuals. May be employed in the public or private sector. Includes environmental protection officers.

Care for ill, injured, or convalescing patients or persons with disabilities in hospitals, nursing homes, clinics, private homes, group homes, and similar institutions. May work under the supervision of a registered nurse. Licensing required.

Diagnose and treat mental and emotional disorders, whether cognitive, affective, or behavioral, within the context of marriage and family systems. Apply psychotherapeutic and family systems theories and techniques in the delivery of services to individuals, couples, and families for the purpose of treating such diagnosed nervous and mental disorders.

Perform routine medical laboratory tests for the diagnosis, treatment, and prevention of disease. May work under the supervision of a medical technologist.

Perform complex medical laboratory tests for diagnosis, treatment, and prevention of disease. May train or supervise staff.

Provides various types of medical care and related services. Medical Assistants may assist physicians in examining patients or may handle duties involving office management.

Utilizes an established coding system to classify medical data. Insurance companies make use of these codes to monitor patient health expenses and bill them as needed.

Provide radiation therapy to patients as prescribed by a radiologist according to established practices and standards. Duties may include reviewing prescription and diagnosis; acting as liaison with physician and supportive care personnel; preparing equipment, such as immobilization, treatment, and protection devices; and maintaining records, reports, and files. May assist in dosimetry procedures and tumor localization.