What law nurse broke if administer overdose of morphine?

If a nurse administers an overdose of morphine, they may break several laws, including those related to the unauthorized practice of medicine, medication administration protocols, and professional negligence. Such an act could be seen as a violation of the standard of care expected in nursing practice, potentially leading to criminal charges for negligence or even homicide if the overdose results in death. Additionally, it may also breach regulations set forth by nursing boards and healthcare institutions regarding safe medication practices.