Field research, where we search to characterize, dialetically, the practice of nursing within the walls of hospital institutions of Mossoró, whose interpretation of reality is based on historical facts, as to the institutional space as reproducer of the dominant ideology and the insertion of the murse in this context. We basically discovered obvicus contradictions:(1) the work power in nursing X the capacity of the hospital (0,1 %); the practice of nursing which emphasizes management services X the importance of direct care (34,6%); the noncaring atitude and apparent indifference of nurses (61,5%), whose determinations can be explained in the light of the comprehension of the various factors such as division of the work power and nursing care, training of the nurse, social and cultural conditions and relationship to the controlling capital. As a result, the conclusion is a construction of the nursing space as representative, of the nursing working power by the critical interpretation of reality