Despite the technological progress in the health field, the symmetrical relationships between customers, health professionals and institutions has not achieved an acceptable level. This research presents a theoretical discussion on ethics and customer rights matters in the daily nursing service. It approaches the asymmetry of the relationship between health professionals and customers; the exchange of knowledge as a possibility of reducing this asymmetry; the users the of health service as consumers; bioethic and its principles; the questioning of daily practice as essential to ethics. It emphasizes the importance of reflection on the part of nurses in relation to ethic problems, in order to commit these professionals with the social transformations.
customer's rights; ethics; questioning