In the beginning of a new millennium , the countless everyday technological advances result in new ethical questions , some difficult approach and unknown current solution. As there is a permanent reality and questioning the ethical principles , the dilemma comes in thinking that ethics moves on a different plane of self- care activities of daily when really the development of medicine (with its technical progress ) and ethical standards run parallel in the same direction . These seemingly abstract but permanently effective , ethical standards can solve different problems, but many of them are absolutely new for novelty (1). Takes account of situations or dilemmas of increasing complexity, which must be recognized by a thorough search, not to underestimate the desire of patients overestimate the magnitude of their decisions or excess revalue the opinion of specialists or experts.

In the framework of scientific research, new dilemmas come from scientific-technologic advances. 'file objective of this paper is to define the appointment of research physician about these facts. A survey with 4 informative questions about update medicine, ethics and research between physicians of all specialities and medical students was sort; 286 of the 500 inquiries were analized. Only a difference according to preserving procedures of organs destined to transplants was seen: most of the physicians are in accord with preserving of organs by special techniques. Conversely, the undergraduates unknown the procedure to choice. With relation to the research papers, they must warrant the same ethic principles to those defined for all trials.