To achieve the objectives of the study, a non –probability (purposive) sample of (50) nurses were selected those were working at the oncology wards at the above listed hospitals. The data selected according to the criteria of the study sample. The validity of the questionnaire was determined through an expert panel consists of (11) specialist expert and its reliability was determined through a pilot study by test – retest which was estimated as averages (R=0.89). Data was collected by direct interview technique using the questionnaire formal and data was analyzed by application of descriptive & inferential statistical methods (frequency, percentage, mean of score and Chi-Square). The results of the study indicated that most of the study sample were male (60%), (78%) within age group (20-29 years), (70%) were nursing college graduates and (62 %) has 1-3 years of experience at oncology wards. The results of the study indicated that the majority of the study sample had a low significance in items concerning nurses’ knowledge about managements taken by nurse to avoid bleeding, and the majority of them had a moderate significant relationship between nurses’ knowledge and the years of experience and training sessions inside and outside Iraq.
