Since the discovery of radioactivity, the use of ionizing radiation has grown exponentially, especially in recent decades. Radiology plays a key role in the healthcare system as it is a vital diagnostic tool for multiple diseases and conditions. Unfortunately, ionizing radiation is not harmless and we should be careful when working in the zone of ionizing radiation. In addition to a specialist doctor and a radiological technologist, the team also includes a nurse who plays a key role in examinations that use ionizing radiation (e.g. work in the intervention room). Also, examinations are made with mobile radiographic devices in intensive care units where there are several patients and also a few nurses. Precisely for this reason, it is very important to well educate nurses about all the dangers that ionizing radiation brings and about protection for themselves and the patient. The aim of this master theisis was to examine the knowledge and attitudes of nursing students of the Department of Health Studies of the University of Split about ionizing radiation in order to see if the education at the faculty is sufficient. The survey questionnaire was distributed to 2nd and 3rd year undergraduate students of nursing and radiological technology and graduate students of radiological technology. Nursing students were the experimental group, and radiological technology students were the control group.