Provide respiratory care under the direction of respiratory therapists and physicians.

Care for individuals with mental or emotional conditions or disabilities, following the instructions of physicians or other health practitioners. They monitor patients' physical and emotional well being and report to medical staff. They participate in rehabilitation and treatment programs, help with personal hygiene, and administer oral or injectable medications.

Prepare medications under the direction of a pharmacist. They measure, mix, count out, label, and record amounts and dosages of medications according to prescription orders.

Assist in the provision of food service and nutritional programs, under the supervision of a dietitian. They plan and produce meals based on established guidelines, teach principles of food and nutrition, or counsel individuals.

Assess injuries, administer emergency medical care, and extricate trapped individuals. They transport injured or sick persons to medical facilities.

Operate magnetic resonance imaging scanners. They monitor patient safety and comfort, and view images of area being scanned to ensure quality of pictures. They administer gadolinium contrast dosage intravenously. They interview patient, explain procedures, and position patient on examining table. They enter technical data and patient information into the computer.

Take x rays and CAT scans or administer nonradioactive materials into patient's blood stream for diagnostic purposes. Includes technologists who specialize in other scanning modalities.

Prepare, administer, and measure radioactive isotopes in therapeutic, diagnostic, and tracer studies using a variety of radioisotope equipment. They prepare solutions of radioactive materials and calculate doses to be administered by radiologists. They subject patients to radiation. They execute blood volume, red cell survival, and fat absorption studies.

Produce ultrasonic recordings of internal organs for use by physicians.

Conduct tests on pulmonary or cardiovascular systems of patients for diagnostic purposes. They conduct or assist in electrocardiograms, cardiac catheterizations, pulmonary functions, lung capacity, and similar tests. Includes vascular technologists.