In an emergency department, a nurse inadvertently administers a higher dose of medication than prescribed due to a miscommunication. Following the incident, which approach by the nurse's manager best exemplifies the principles of Just Culture?
Reporting the incident for systemic review and focusing on process improvements.
Ignoring the incident as no harm occurred to the patient.
Issuing a formal warning to the nurse and documenting the error in her personal file.
Immediate suspension of the nurse pending a formal investigation.