- Negligence: Failure to provide the standard of care that is expected. - Incompetence: Lack of ability, knowledge, or skill to perform duties safely. - Ethical Violations: Breaches of the [ethical principles]() governing nursing practice. - Substance Abuse: Use of drugs or alcohol that impairs the nurse's ability to perform duties. - Fraud: Deceptive practices such as falsifying records or billing for services not rendered.