Final answer:
The assertion that all nurses are held to the same standard throughout their careers is false, as nursing standards can change and vary depending on role, specialization, and setting.
Step-by-step explanation:
The statement 'All nurses are held to the same standard throughout their careers' is false. While professional standards establish a legal and professional foundation for nursing practice, these standards can evolve, and nurses may encounter differing expectations based on their role, specialization, and practice setting. Entry-level competencies, standards for specialized practice, and advanced practice requirements can vary, and nurses must stay informed about these changes. Continuing education, professional development, and adherence to current best practices are integral to maintaining competence in the nursing profession.