The purpose of a nursing code of ethics primarily centers around providing guidelines for personal conduct within the nursing profession. It serves as a framework for ethical decision-making and helps nurses navigate complex situations involving patient care, professional relationships, and moral dilemmas. By outlining the values and principles that nurses should uphold — such as respect for patient autonomy, integrity, and accountability — the code guides nurses in delivering compassionate and ethical care.
While the other options touch on important aspects of the nursing profession, they do not capture the essence of what a code of ethics embodies. Medical procedures are generally outlined in clinical guidelines and protocols rather than in a code of ethics. Defining the role of nursing in healthcare is more aligned with professional standards and education, not exclusively with ethical guidelines. Additionally, while ethical codes can have implications in legal contexts, they do not serve as legal documents; they are primarily moral imperatives meant to guide professional behavior. Thus, option A accurately reflects the fundamental purpose of a nursing code of ethics.