Final answer:
The Don should establish procedures for ensuring that nursing staff, including private duty nurses, have valid and current certifications as required by the state.
Step-by-step explanation:
The answer to your question is certifications. The Don should establish procedures for ensuring that nursing staff, including private duty nurses, have valid and current certifications as required by the state. Certifications validate the knowledge and skills of nursing staff and ensure that they meet the necessary standards to provide safe and effective care to patients.