The nurse is usually responsible, along with other health care professionals, for the treatment, safety and recovery of acutely or chronically ill or injured people. A nurse also cares for the health maintenance of the healthy patient and treatment of life-threatening emergencies in a wide range of healthcare settings. Nurses may also be involved in medical and nursing research and perform a wide range of non-clinical functions necessary to the delivery of health care. Nurses are also instrumental in providing care during the birthing process and death. Radiographers are instrumental in modern medicinal diagnoses This radiologic specialist uses radiation to see into the human body She may have expertise with infusion of nonradioactive liquids in to the bloodstream and can arrange the body to be appropriately photographed The power of the noninvasive medical techniques developed over recent years to determine the nature of an illness has become formidable